AI Services for Personal Use

Leveraging AI in everyday personal life.Browse 70 AI services to find the tool that best fits your work challenges.

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Japanese support only

Challenge

Select a challengeAIを活用して学習の効率・スキルアップをしたいコンテンツをポッドキャスト化したいAIを活用して効率的に語学学習したいAIと相談しながら小説やストーリーを書きたい占いの結果を、AIの解説でわかりやすく読み解きたい

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Role

Select a roleマーケター映像クリエイターイラストレーター営業Webデザイナーエンジニアライターカスタマーサポート人事・総務法務・弁護士経理経営者・マネージャーSNS運営者EC運営者3Dモデラープライベート

Keyword

Japanese support only

Challenge

Select a challengeAIを活用して学習の効率・スキルアップをしたいコンテンツをポッドキャスト化したいAIを活用して効率的に語学学習したいAIと相談しながら小説やストーリーを書きたい占いの結果を、AIの解説でわかりやすく読み解きたい

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Role

Select a roleマーケター映像クリエイターイラストレーター営業Webデザイナーエンジニアライターカスタマーサポート人事・総務法務・弁護士経理経営者・マネージャーSNS運営者EC運営者3Dモデラープライベート

Search results

アタマプラス

atama+

atama+ is an AI-powered learning system from atama plus Inc. (Tokyo, part of the KUMON group since July 2026), provided to cram schools and prep schools. Its AI diagnoses the root cause of each student's stumbling blocks — going back across grade levels — and automatically builds a personalized curriculum. Adopted in over 4,500 classrooms nationwide, including Sundai and Eikoh. Pricing is not public (included in each school's tuition); individuals can also use it through the official atama+ Online Juku from 22,000 yen per month. Japanese-language service.

# 教育# 日本語対応

スピーク

Speak

Speak is a speaking-focused AI English conversation app from San Francisco-based Speakeasy Labs, backed by the OpenAI Startup Fund. You can practice speaking with an AI tutor without limits and get instant feedback on pronunciation and phrasing. 15M downloads worldwide. After a 7-day free trial, Premium starts at 19,800 yen/year (about 1,650 yen/month). Japanese UI and support available.

# AIチャットボット# 音声認識・音声合成# 自己啓発・コーチング# 日本語対応

ユビー

ユビー（Ubie）

Medical AI from Ubie, Inc. (Tokyo, Japan). Its consumer AI Symptom Checker "Ubie" lets you answer questions about your symptoms and, under the supervision of 50 practicing physicians, look up related conditions, urgency guidance, and the right medical department for free — used by 13+ million people monthly. For medical institutions it offers "Ubie AI Monshin" and more (pricing on request). Japanese-language service.

# 医療# 検索・レコメンド# AIチャットボット# 日本語対応

アズミ

Asmi

A voice-first AI personal assistant you reach on iMessage, WhatsApp, and by phone. It calls you each morning to take your tasks, then handles real-world errands on your behalf — calling, texting, and emailing service providers (book a dentist, cancel a gym, dispute a charge) and chasing until it's done. By Humint Labs, Inc.; 50+ languages.

# AIエージェント# 音声生成# 音声認識・音声合成# ボイスボット# 自動化・省力化# 業務効率化

デッキベース

Deckbase

Deckbase is an AI flashcard app from Yosuke Sakurai, an independent developer in Japan (Code Your Reality). It drafts cards from PDFs, Word files, images, Excel/CSV files, web pages or a chat with AI, adds AI images and text-to-speech audio, and schedules reviews with FSRS spaced repetition. It imports and exports Anki decks (.apkg) and offers a Chrome extension and an MCP server for ChatGPT, Claude and other AI tools. Available on iOS, Android and the web; the official site is available in Japanese. The free plan has unlimited cards (AI limited to an initial 100 credits); Basic is $5.99 a month ($59 a year) and Pro $11.99 a month ($119 a year).

# 教育# 生産性向上# AI-OCR（文字認識）# 日本語対応

ルーラ

Loora

Loora is an AI English conversation coach app from Loora A.I Ltd. (Israel), listed on the Japanese App Store as "AI英会話 ルーラ". You speak English in free conversation on any topic or in role-plays where you set your own role, the AI's role and the scenario, and get instant feedback on grammar and pronunciation. It offers translation and a dictionary, a new word every day, and a video-chat-style avatar; the app supports 12 languages including Japanese. Free to download; monthly and yearly subscriptions are in-app purchases with a 7-day free trial.

# AIチャットボット# 音声認識・音声合成# 自己啓発・コーチング# 教育# 日本語対応

プラクティカ

Praktika

Praktika is an AI English conversation and language practice app from Praktika.ai Company (US). You talk by voice with 3D avatar AI tutors that each have their own personality and accent, in free conversation or role-plays, and mistakes in pronunciation, grammar and vocabulary are corrected for each message with a rephrasing and an explanation. It offers 1,000+ lessons including IELTS/TOEFL, business and travel, pronunciation scores, and explanations switchable to Japanese (the app supports 15 languages including Japanese). Free to download; Praktika Premium is an in-app purchase with a 7-day free trial.

# AIチャットボット# 音声認識・音声合成# 自己啓発・コーチング# 教育# 日本語対応

エルサスピーク

ELSA Speak

ELSA Speak is an AI English speaking and pronunciation practice app from ELSA, Corp. (US). It scores the English you speak sound by sound and shows how to fix it, and offers role-play conversations with generative AI plus the Speech Analyzer, which rates a speech on pronunciation, intonation, fluency, grammar and vocabulary and estimates IELTS, TOEFL and TOEIC levels. Free to start; paid plans are ELSA Pro, Premium and Professional (7-day free trial). Its Japanese subsidiary is ELSA Japan G.K.

# AIチャットボット# 音声認識・音声合成# 自己啓発・コーチング# 教育# 日本語対応

アレクサプラス

Alexa+

Amazon's generative AI–powered personal assistant. Beyond answering questions in natural conversation, it handles tasks for you, such as shopping, checking deliveries, controlling smart home devices and creating Routines. In Japan, free early access began on October 29, 2026, on Echo, Fire TV, the Alexa app and the browser (alexa.jp). After early access ends, it is included for Prime members at no extra charge and costs ¥3,000/month for everyone else.

# AIエージェント# 生成AI（LLM）# 音声認識・音声合成# スケジューラー# 自動化・省力化# 日本語対応

エイダン

AIDAN

AIDAN is an AI learning service where you practice the skills for using generative AI at work through 14 courses ranked like martial-arts belts, from white to black. Besides AI basics, prompting, workflow automation, app building and agent development, it offers role-specific courses on security, law, hiring, teaching, auditing, marketing and more, with 1,170 questions with explanations. Daily web practice (10 questions a day) is free with no sign-up, and textbook PDFs for every course (4 languages) are also free. Paid official exams (planned at $3.99 per attempt) are not yet on sale during the public beta. Run by Trappist, a sole proprietorship in South Korea.

# プログラミング学習・CLI習得# 教育# 日本語対応

エングヘルパー

Eng-Helper

Eng-Helper is an AI English-correction keyboard for iPhone and Android from Float Co., Ltd. of South Korea. In any app—messages, email, social media—you type English (Japanese mixed in is fine) and tap "Correct"; natural English and alternative phrasings appear above the keyboard, and a tap inserts your pick into the text field. It explains why each change was made in 116 languages, including Japanese. The first two weeks are free, then a monthly subscription (¥500 on the Japanese App Store) gives unlimited corrections and explanations.

# 要約・翻訳# 教育# テキスト生成# 生産性向上# 日本語対応

メタミューズ

Meta Muse

A personal AI agent from Meta Platforms, Inc. (U.S.), pronounced "Meta Muse" (often just "Muse"; メタミューズ in Japanese). Its official App Store name is "Muse from Meta," and it is for ages 18 and over (App Store rating 18+). Through dedicated apps (iOS, Android) and the web (muse.ai), it handles email replies, scheduling, bookings and shopping on your behalf, asking for your approval before sending or buying. Launched in Japan on October 23, 2026 (the first region outside North America). Free with weekly usage limits; paid plans are Power ($20/month) and Maximum ($100/month).

# AIエージェント# 生成AI（LLM）# スケジューラー# 業務効率化# 自動化・省力化# 日本語対応

リムーブハンドライティング

RemoveHandwriting

An AI tool from Shenzhen Liwa Software Technology Co., Ltd. (Shenzhen, China) that removes only handwritten text, pen marks, and grading marks from images, PDFs, and scanned documents. It keeps printed questions, tables, and layout, so filled-in worksheets and tests can be used again. Offers a color-preserving Color model, an Ultra model for difficult pages, manual correction by expert staff, batch processing, and an API, and works in Japanese on the web, iPhone, and Android. New users get 3 free credits; paid plans are credit-based, starting at Basic $3.9/month (60 credits).

# 教育# PDF・文書生成# API・SDK# 業務効率化# 日本語対応

スピーチファイ

Speechify

An AI text-to-speech reader app from Speechify, Inc. (Miami, Florida, USA). It reads PDFs, web pages, Google Docs, emails and photographed book pages aloud in 1,000+ natural AI voices at up to 5x speed, and also offers AI summaries and chat, voice typing and AI podcasts. Available on iPhone, Android, Chrome extension, web app, Mac and Windows, with the website and app displayable in Japanese. Free plan (up to 1.5x, 10 basic voices) and Premium at $29 per month or $139 per year (purchased on the official website).

# 音声生成# 音声認識・音声合成# 要約・翻訳# 生産性向上# 日本語対応

ラクテンエーアイ

Rakuten AI

A free agentic AI assistant provided by Rakuten Group. When you talk to it by chat, voice, or image, specialized agents for Rakuten Ichiba, Rakuten Travel, Rakuten Music, and more search for and suggest products and accommodations, and it can also do AI search, image generation, translation, summarization, and writing. It is available on the web, in its own app, in the Rakuten Ichiba app, and in Rakuten Link, and there is also Rakuten AI for Desktop for HP PCs.

# AIエージェント# AIチャットボット# 生成AI（LLM）# 検索・レコメンド# 小売・EC# 日本語対応

パパゴ

Papago

An AI translation service from NAVER Corp. of South Korea. It translates text, images (camera), voice, conversations, handwriting, documents (PDF and Office) and websites, works offline, and the app handles 14 languages including Japanese, Korean, English and Chinese. The web version (papago.naver.com) and the apps are free. The paid Papago Plus does not store translation data and starts at $9.99/month (Basic).

# 要約・翻訳# AI-OCR（文字認識）# 音声認識・音声合成# 日本語対応

エーアイノタロットウラナイ

AIのタロット占い

AIのタロット占い (AI Tarot Reading) is a Japanese AI tarot reading service run by inLogix, an independent developer brand. Pick a category such as love, marriage or work and describe your concern, and the AI (OpenAI's GPT series) writes a reading based on the cards drawn and what you asked. Free once a day without signing up, or 3 times a day as a free member. Standard (¥1,000/month) adds AI questions before each reading and a daily morning fortune email; Premium (¥3,000/month) adds "continued reading" that carries over your previous reading, plus Celtic Cross and Horoscope spreads. Both paid plans come with a 3-day free trial.

# エンタメ／ゲーム・遊び# 自己啓発・コーチング# 生成AI（LLM）# 日本語対応

フォトマス

Photomath

A math learning app that reads math problems (printed, handwritten or word problems) with your phone's camera and explains how to solve them step by step. It covers everything from arithmetic to algebra, trigonometry, calculus and statistics, and also shows multiple solving methods and graphs. Part of Google since 2023, the app supports Japanese. Step-by-step explanations are free; the paid Photomath Plus adds visual aids and extra "how" and "why" tips ($9.99/month or $69.99/year on the official site).

# 教育# 日本語対応

トゥーテキスト

ToText

ToText is a recording and transcription app for iPhone and iPad (it also runs on Apple silicon Macs), provided by Lovelace Loom (LovelaceLoom). Record meetings, lectures, interviews or voice memos—or import audio files—and it transcribes them by speaker in 60 languages, creates AI summaries, to-dos and tags, and answers questions about a recording based on its transcript. Transcription and summaries are processed in the cloud by external providers, while recordings are stored on your device (optionally in iCloud); no account is required. Pricing in Japan: Free (60 min/month) / Basic ¥700/month (1,000 min) / Pro ¥1,400/month (2,000 min).

# 音声合成・文字起こし# 議事録作成# 要約・翻訳# 教育# 生産性向上# 日本語対応

アキュノート

AccuNote

AccuNote is a voice note app for iOS and Android from SEIWA Co., Ltd. (Osaka, Japan). It transcribes in real time while you record, and handles speaker separation, AI summaries, translation in 60 languages, and bilingual recognition that translates between two languages, all in one app. You can also import existing audio and video files. Try it as a guest with no registration or with a free account; the paid Pro plan starts at ¥1,780/month (tax included).

# 議事録作成# 音声合成・文字起こし# 要約・翻訳# 会議翻訳・AI同時通訳# 生産性向上# 日本語対応

キャラプ

キャラぷ

An app for enjoying stories by chatting with AI characters, operated by Wrtn Technologies Japan, Inc. (the Japanese subsidiary of Wrtn Technologies of South Korea). Chat with user-made characters one-on-one or in story-style conversations with multiple characters, with visual novel and short-message "Talk" formats as well. You can also create and publish characters. Free to play; Talk Pass costs ¥300 for 1 day to ¥1,650 for 30 days, and Gold starts at 200G for ¥280 (App Store prices). App Store age rating 16+.

# エンタメ／ゲーム・遊び# AIチャットボット# 生成AI（LLM）# 日本語対応

ゼタ

zeta

An AI character roleplay chat app from Scatterlab (Scatter Lab, Inc.) of South Korea. Available on iOS, Android and the web (zeta-ai.io). Redo conversations by regenerating or editing replies or with "Start over from here," turn scenes into images with Snapshots (15 Pieces each), and peek at characters' social media with "zetagram." No read-aloud (voice) feature is officially offered. Basic play is free (with ads); zeta pass costs ¥1,650/month, and Pieces are about 20% cheaper on the web. For users aged 14 and older.

# エンタメ／ゲーム・遊び# AIチャットボット# 生成AI（LLM）# 日本語対応

メタエーアイ

Meta AI

An AI assistant from Meta Platforms, Inc. (US). Available inside Instagram, Facebook, Messenger and WhatsApp as well as on the web (meta.ai) and in a dedicated app, it answers questions, creates, edits and animates images, and can be called up in group chats with "@Meta AI". A gradual rollout in Japan began on November 25, 2025. Everyday use is free, and the paid Meta One subscription (Core ¥949/month, Premium ¥2,900/month, incl. tax) adds more generation capacity.

# 生成AI（LLM）# AIチャットボット# 画像生成# 動画生成# 日本語対応

キャラクターエーアイ

Character.AI

A service by Character Technologies, Inc. (US) for chatting by text or voice call with more than 10 million AI Characters, most of them made by users. You can also create and publish Characters and make voices for them. Free with unlimited messaging; paid plans are (c.ai) lite from $4.99/month and c.ai+ at $9.99/month ($94.99/year). Age assurance is required, and chat is limited to users 18 and older.

# エンタメ／ゲーム・遊び# AIチャットボット# 生成AI（LLM）# 音声認識・音声合成# 日本語対応

オープンフェイト

OpenFate

OpenFate is a fortune-telling service that first calculates charts for BaZi (Four Pillars), Zi Wei Dou Shu, Western astrology, Vedic astrology, Human Design and Sukuyo (birth mansion) with fixed calculation rules, and then has AI explain only those calculated results. The AI never rewrites the calculated chart, and the screens show "chart data" and "interpretation" separately. Chart creation and one analysis a day are free, and compatibility readings, six divination tools such as tarot, and an auspicious-day calendar are also available. Japanese interface available. Paid options are Pro (¥4,800/month) and Pro Max (¥8,900/month) subscriptions, or one-time points (from ¥1,200 for 250 points). Operated by OPENFATE AI LLC in the United States.

# エンタメ／ゲーム・遊び# 自己啓発・コーチング# 生成AI（LLM）# 日本語対応

マイクロソフトコパイロット

Microsoft Copilot

An AI assistant from Microsoft, free to use on the web, Windows, and mobile apps, with chat, web-grounded answers, image generation, and voice conversation. The paid consumer plan is Microsoft 365 Premium (JPY 3,200/month, tax included); for business there is Microsoft 365 Copilot integrated into Word, Excel, and Teams (from JPY 4,497/user/month, tax excluded). Full Japanese support.

# 生成AI（LLM）# AIチャットボット# AIエージェント# テキスト生成# 業務効率化# 日本語対応

プロゲート

Progate

Progate, run by Progate, Inc., teaches programming through illustrated slides and in-browser exercises — no local setup required. 3.7 million users across 100+ countries. Alongside HTML/CSS, JavaScript, Python, SQL, Java and Go, it offers Command Line and Git lessons and AI courses including Generative AI Basics and Claude Code Introduction (beta), which covers CLAUDE.md, skills and permissions. Plus plan from ¥990/month, Pro from ¥2,490/month (tax incl.).

# プログラミング学習・CLI習得# 教育# 日本語対応

ドットインストール

ドットインストール

dotinstall teaches programming in three-minute videos. Running since 2011, it publishes 576 lessons across 8,618 videos, covering web development, game development, data analysis and AI/ML — including Linux commands, Git and local environment setup. Free members get a subset; Premium is ¥1,480/month (¥1,080/month on the 12-month plan, tax incl.) and unlocks 7,668 videos, 940 quizzes and questions answered by working engineers.

# プログラミング学習・CLI習得# 教育# 日本語対応

パイザラーニング

paizaラーニング

paiza Learning, from Paiza, Inc., lets you run code straight from the browser with no environment setup. Three-minute videos pair with exercises, and the free tier alone includes 928 courses and 1,209 practice problems. Paid plans are ¥1,490 for one month or ¥11,760 for twelve (¥980/month, tax incl.), unlocking 3,149+ videos. Its distinguishing feature: your skill-check rank feeds directly into job applications on paiza's recruiting service.

# プログラミング学習・CLI習得# 教育# 日本語対応

キャップカット

CapCut

CapCut is a video editing app from Bytedance Pte. Ltd. (Singapore), part of the ByteDance group behind TikTok. It runs on mobile, desktop, and browser, offering auto captions, background removal, and AI image/video generation for free to start. CapCut Pro costs JPY 1,080+/month or JPY 9,900/year via the Japan App Store (as of August 2026), with a fully Japanese UI.

# 動画生成# 字幕生成# 品質向上・クリエイティブ支援# 業務効率化# マーケティング# 日本語対応

プラウド

Plaud

Plaud pairs AI voice recorders — the card-type Plaud Note and wearable Plaud NotePin — with a companion app to record meetings, sales calls, and phone conversations and turn them into transcripts in 112 languages, AI summaries, and mind maps. Devices start at JPY 27,500 (tax incl.) with 300 free transcription minutes per month, and PLAUD K.K., the Japanese subsidiary, provides support in Japanese.

# 議事録作成# 音声合成・文字起こし# 要約・翻訳# 業務効率化# 日本語対応

ノートブックエルエム

NotebookLM（現Gemini Notebook）

NotebookLM (now renamed to "Gemini Notebook") is a Google-built AI research and thinking partner that answers with citations based only on the materials you upload. You can use PDFs, websites, YouTube videos, audio, Google Docs, and more as sources, and the latest Gemini models handle summarizing, question answering, and material creation. Because it limits the basis for its answers to your sources, it curbs plausible-sounding errors and lets you grasp materials quickly, and it can also generate an Audio Overview (podcast-style conversational audio) and slide decks you can download as PDF or PowerPoint. It is free to use, with limits and available models increasing as it is included in Google AI Plus/Pro/Ultra (available in limited regions).

# 要約・翻訳# 検索・レコメンド# 音声生成# 日本語対応

デュオリンゴ

Duolingo

The world's most-used language-learning app, learning 40+ languages gamified (500M+ learners). From Japanese you can study EN/KO/ZH/FR/ES/DE/IT/PT plus math, music, and chess. The higher Duolingo Max tier adds AI conversation practice (Roleplay, Video Call, Explain My Answer).

# AIチャットボット# 自己啓発・コーチング# 日本語対応

デックエディット

DeckEdit

DeckEdit is a free web tool that converts image-only slides — the decks NotebookLM (now Gemini Notebook) generates, plus PDFs and screenshots — into editable PowerPoint (PPTX) files. Text detection, recognition, background cleaning and PPTX assembly all run inside your browser, so files are never uploaded to a server. No account, no login and no payment are required, there is no watermark and no cap on conversions, and it keeps working offline once the AI models have been cached on first use. It accepts PDF, PNG, JPEG, GIF and WebP up to 30 MB and 50 pages per file, offers a Japanese interface and Japanese OCR, and includes a browser-based editor for text, shapes and speaker notes.

# スライド作成# プレゼン・スライド生成# PDF・文書生成# AI-OCR（文字認識）# 業務効率化# 日本語対応

ノベルシャフト

NovelShaft

NovelShaft is an AI-assisted novel-writing environment that keeps the manuscript, the manuscript outline, reference material such as characters and world-building, and conversations with AI together in one work. From shaping a fragment into an idea, through drafting and long-form revision, to export as Text, Markdown, DOCX, PDF, or EPUB 3 and publishing, everything happens on one screen, and the design puts the author in charge of what stays in the work: AI changes can be skipped before they are applied. It supports vertical writing, ruby, and read-aloud, handles Japanese and English works, and runs on the Web and iOS (iPhone and iPad). Pricing is a free Free plan (200 AI credits every 30 days) plus monthly Light $15 (4,500 credits), Standard $30 (9,450), and Pro $90 (29,700) plans, with a limited-time $3 Mini plan available until December 16, 2026.

# テキスト生成# アイデア支援／創造ツール# 品質向上・クリエイティブ支援# 日本語対応

ウェブターム

WebTerm

WebTerm is a free, browser-based Linux terminal built for practice. It implements 100+ commands — pwd, ls, cd through grep, find, chmod, pipes and redirection, Vim and Git — and grades each step by the actual state of the filesystem, so copying an answer doesn't get you past it. 15 mission-style tutorials plus a free-play sandbox. No install, no sign-up, 8 languages including Japanese (desktop browsers only).

# プログラミング学習・CLI習得# 教育# 日本語対応

ウェブターム ラーン

WebTerm Learn

WebTerm Learn is a free platform for learning the terminal and Git systematically. Twelve courses and 129 lessons pair illustrated slides with hands-on exercises: terminal basics through advanced shell, SSH and system administration; Git from first commit through branching and team workflows; plus Vim and Herdr (a terminal multiplexer for coding agents). Every stage is followed by a short training course for repetition. All courses free; Japanese and English.

# プログラミング学習・CLI習得# 教育# 日本語対応

ゼンスタディ

ZEN Study

ZEN Study (formerly N Prep School) is Dowango's learning app. Its programming track is written from scratch by working Dowango engineers: the introductory web application course covers JavaScript, Linux, Git/GitHub, Docker, web security and Hono, and the catalog extends to large-scale web development in Scala, computer science (data structures and algorithms, automata, networking), Android/iPhone apps and an intro to machine learning. ¥1,100/month (¥1,300 via App Store).

# プログラミング学習・CLI習得# 教育# 日本語対応

テックピット

Techpit

Techpit is a marketplace for programming tutorials written by working engineers, built around the idea of learning by shipping a real service. It offers 100+ tutorials spanning Ruby, PHP, Python and Next.js, sold individually or through Techpit Unlimited (¥2,980/month), which unlocks 90+ of them. INTLOOP Inc. acquired the business in November 2025; it now runs at techpit.intloop.com.

# プログラミング学習・CLI習得# 教育# 日本語対応

コトバ

kotoba

kotoba is an AI simultaneous interpretation app from Kotoba Technologies Japan. Its in-house speech foundation model, Koto, reads up to 0.5 seconds ahead of the conversation, holding latency from speech onset to about 1 second. It covers 21 input and 13 output languages on iOS and Android. The free plan gives 5 hours a month, Unlimited is $99/month, and the business Enterprise licence is ¥15,000 per device per month. A Meeting Bot for web conferences is also available.

# 会議翻訳・AI同時通訳# 要約・翻訳# 音声認識・音声合成# 業務効率化# 日本語対応

ヘイノア

Hey Noah

Hey Noah is an AI executive assistant built for founders and senior leaders. There is no app to install and no dashboard to log into — it works inside the channels you already use: SMS, email, WhatsApp, and Slack. Text it "Coffee with Sarah Thursday" and it checks your calendar, proposes times to the other party, handles the back-and-forth, and books the meeting. CC it on an email and it takes over the scheduling thread. After meetings it captures notes and next actions, and for restaurant or doctor bookings it places a real phone call and confirms. Built by Pilot Alpha Labs, LLC (US). It launched on Product Hunt on August 4, 2026, took the #1 spot of the day with 604 upvotes, and costs $49/month for its first cohort.

# AIエージェント# スケジューラー# 自動返信・メール作成# ボイスボット# 業務効率化

メモリーク

Memoriq

A private, end-to-end-encrypted, open-source 'AI memory' that lets you save and search conversations from ChatGPT, Claude, Gemini, and Grok across one vault. A browser extension captures chats and encrypts them on your device (AES-256) before upload; self-hosting is also possible. Keep your important AI exchanges without leaving them in plaintext on the cloud.

# 検索エンジン・RAG# AIエージェント# 業務効率化# 生産性向上

スラッシー

Slashy

An AI-native email client ('intelligent inbox') under the banner 'Your intelligent inbox.' It reads a thread and drafts a reply in your voice, and handles meeting scheduling, inbox organization, follow-up tracking, and automations. It connects to Gmail and can be operated via iMessage, Slack, voice, mobile, and web, with integrations like HubSpot and Notion.

# 自動返信・メール作成# AIエージェント# 自動化・省力化# 業務効率化# 生産性向上

スピークバディー

スピークバディー

An app from appArray, Inc. focused on practicing English conversation with an AI character. Role-play across 1,000+ scenes with an "AI buddy," plus a generative-AI-powered Free Talk feature. It lets you practice speaking anytime and anywhere; 5M+ downloads, App Store 4.6. Offers personalized curricula and a business version, "SpeakBuddy for Business."

# AIチャットボット# 自己啓発・コーチング# 日本語対応

リンゴチャンプ

LingoChamp

An English-learning app from LAIX (Liulishuo) built around a proprietary speech-recognition and pronunciation-scoring AI. It scores the English you speak at the phoneme level and evaluates and corrects pronunciation, vocabulary, grammar and fluency across multiple dimensions. Widely used in China as "Liulishuo," but LAIX was delisted and taken private in the US in 2022, and the international version has shrunk to mainly English (+ Spanish) with stalled updates (availability from Japan and a Japanese UI need to be confirmed).

# AIチャットボット# 自己啓発・コーチング# 日本語対応

リリス エーアイ

LilysAI

A knowledge-management assistant (by Korea's LilysAI) that summarizes diverse sources — YouTube, PDFs, audio, web pages, recordings — with AI and organizes them into cited notes. Also does mind maps/quizzes and an AI chat 'Lily'. Free tier / paid from ¥900/mo, 20% off annual.

# 音声合成・文字起こし

スカイワーク

Skywork

Skywork is an all-in-one AI agent with built-in deep research. From a single instruction, it can generate multiple deliverables—websites, slides, documents, spreadsheets, posters, videos, podcasts, and more. The SkyClaw agent switches among models such as Claude, ChatGPT, and Gemini to research, reason, and edit, and it supports automated execution through scheduled tasks and IM integration. Credits are granted for free every day (800 per the official listing), and beyond that it runs on a credit-based model.

# AIエージェント# 動画生成# プレゼン・スライド生成# 音声生成# テキスト生成# コード生成

リグリフ

Reglyph

Reglyph is a web service that translates scanned and image-only PDFs while keeping the page intact: it reads the text with OCR, erases the original words from the page, and typesets the translation back in the same place, so tables, columns, stamps, signatures and figures stay where they were. It is built for certificates, academic transcripts, bank statements, contracts, manuals and books, and every plan can also export a bilingual PDF with the original and the translation side by side. Signing in with Google gives you 5 free pages every day (no credit card); paid use is pay-as-you-go at $0.30 per page (from $3), or monthly Lite at $9 (100 pages) and Pro at $29 (500 pages), tax included, in US dollars.

# 要約・翻訳# AI-OCR（文字認識）# PDF・文書生成# 業務効率化# 日本語対応

エーアイ ツールボックス

AI Toolbox

A collection of free, browser-based AI and online tools for processing video, images, and audio. No upload is required—files are processed right in your browser, so it is privacy-conscious. From video splitting to a variety of image and audio tools, it is easy to use for creators, marketers, and web designers as well as general users. Japanese-language pages are supported.

# 動画生成# 画像生成# 音声生成# 業務効率化# 日本語対応

オーディオリード

Audioread

A UK-based TTS service that converts text such as articles, PDFs, emails and RSS feeds into natural AI audio you can listen to as "your own private podcast" (formerly Audioblogs). It turns the audio into a private podcast feed you can play in your usual app such as Apple Podcasts or Spotify. 150+ languages and ~1,000 voices. Free to Pro $9.99/mo.

# 音声生成# 要約・翻訳

ピーディーエフ・トゥー・ブレインロット

PDF to Brainrot

An AI tool that converts PDFs and text into TikTok/YouTube Shorts-style vertical short videos. It plays gameplay footage (Minecraft, Subway Surfers, etc.) in the background while an AI narration reads the content, auto-generating a "brainrot"-style video. Free tier available, credit-based. Narration is mainly in English.

# 動画生成# 要約・翻訳# 音声合成・文字起こし# 教育# 業務効率化

ステムタブ

StemTab

StemTab is a stem-separation and automatic transcription tool from Changsha Blue Fox Information Technology Co., Ltd. in China. It splits a song into two parts (vocals and accompaniment) or six parts (vocals, guitar, bass, drums, piano and other), turns the chosen part into an editable score draft, and lets you correct it in the score and piano roll before exporting PDF, MusicXML, MIDI or separated audio (it does not create guitar TAB). The web version processes in the cloud and sells processing time outright (5-minute free preview, from $9.98); the iPhone/iPad app processes on the device and costs ¥1,500 on the Japanese App Store.

# 音楽生成# 品質向上・クリエイティブ支援# 教育# 日本語対応

エピック

EPIK

An AI photo and video editing app from SNOW Corporation of South Korea (part of the NAVER group and the maker of SNOW and B612), listed in app stores as "EPIK エピック - AI写真＆動画編集". It combines AI tools such as image enhancement, AI skin retouching, AI cutout, an eraser, AI filters, hairstyle and expression changes, and AI Video that turns a single photo into a moving clip with full editing features including color adjustment, curves, batch editing, makeup, face and body retouching, templates and collages. It supports Japanese and is free to use on iPhone, iPad, Mac and Android. EPIK PRO is listed on the Japanese App Store at ¥900/month or ¥3,900/year, among other options.

# 画像生成# 品質向上・クリエイティブ支援# 顔認証・画像解析# 動画生成# 日本語対応

ペーパーパル

Paperpal

An AI English-editing and academic writing tool for research papers from Cactus Communications, the company behind the English editing service Editage. Trained on professional editors' corrections of academic manuscripts, its AI polishes the grammar and wording of English text into an academic tone, and it brings together plagiarism checks, AI-generated text detection, citation checks, a pre-submission readiness check, literature search across more than 300 million papers with citations (10,000+ citation styles), and translation between 50+ languages including Japanese. It works on the web, as a Microsoft Word add-in, and in Google Docs and Overleaf, with a Japanese interface, payment in Japanese yen and a pay-later option for institutional funds. There is a free plan; Prime costs ¥2,090/month billed annually (¥4,290 month-to-month) and Pro ¥5,060/month billed annually.

# テキスト生成# 要約・翻訳# 品質向上・クリエイティブ支援# 教育# 検索エンジン・RAG# 日本語対応

スノー

SNOW

An AR camera and photo-editing app from SNOW Corporation of South Korea (part of the NAVER group), listed in app stores as "SNOW スノー - AIプロフィール". Built on shooting with AR effects and AR makeup plus face and body retouching, it adds AI features such as AI Hair for trying out hairstyles, AI Style for changing the mood of a photo, an AI eraser that removes background photobombers and clothing wrinkles, Smart Beauty that suggests retouching automatically, and a feature that predicts a child's face from two people's photos. It supports Japanese and is free to use on iPhone and Android. SNOW VIP is listed on the Japanese App Store from ¥990/month or ¥3,600/year.

# 画像生成# 顔認証・画像解析# 品質向上・クリエイティブ支援# エンタメ／ゲーム・遊び# 日本語対応

トランシンクエーアイ

Transync AI

Transync AI is a real-time AI speech translation tool from Transync AI Inc. (US). It supports 60 languages, detects each speaker's language automatically, and handles bilingual subtitles, spoken translation playback and AI meeting notes. It translates Zoom, Microsoft Teams and Google Meet audio without a meeting bot or browser extension, and a virtual microphone can deliver translated speech to the other side. Available on Windows, macOS, iOS, Android and the web. New sign-ups get 40 free minutes; Personal Premium is $8.99/month (10 hours/month) and Enterprise is $24.99 per seat/month (40 hours/month).

# 会議翻訳・AI同時通訳# 要約・翻訳# 議事録作成# 音声認識・音声合成# 字幕生成# 業務効率化# 日本語対応

キキハ

kikiha

An AI meeting service whose bot joins Zoom, Google Meet and Microsoft Teams meetings to show live transcription and translated captions, then organizes AI minutes, decisions and to-dos after the meeting. Transcription in 60 languages and 15 translation targets. From ¥2,480/month (tax incl.), with a free demo of 1 hour total within 7 days of sign-up (no card required).

# 議事録作成# 会議翻訳・AI同時通訳# 音声合成・文字起こし# 要約・翻訳# 日本語対応

フォター

Fotor

An all-in-one AI photo editing and image generation tool from Everimaging (the contracting party under its terms is HONG KONG EVERIMAGING SCIENCE AND TECHNOLOGY CO., LIMITED). Besides background removal, object erasing, upscaling, face retouching, collages and design templates, it generates AI images and videos with models such as Nano Banana Pro and Seedance, and is available in Japanese on the web, iOS, Android, Windows and Mac. Basic is free (no commercial use, watermarked); paid plans are Pro ¥999/month (¥492/month billed annually), Pro+ ¥2,899/month and Max from ¥6,300/month, and AI generation uses monthly credits.

# 画像生成# デザイン生成# 動画生成# 品質向上・クリエイティブ支援# 日本語対応

ファインボイス

FineVoice

An AI audio production platform from Fineshare (Hong Kong / Chengdu) that combines text to speech, voice cloning, AI voice design, a voice changer, sound effects, BGM, speech to text, and voice translation in one place. Offers 2,700+ voices and 154+ languages and accents, with a Japanese interface and Japanese voices. Available in the browser, as Windows/Mac apps, and via a developer API. Free plan available (output for non-commercial use only); paid plans start at Basic $8.99/month or $71.99/year ($5.99/month).

# 音声生成# 音声認識・音声合成# 音楽生成# 日本語対応

ウィンク

Wink

An AI app from Meitu, Inc. (listed on the Hong Kong Stock Exchange) for enhancing videos and photos and retouching people. It upscales blurry videos to HD and 4K and retouches faces, skin and body shape in videos, and also offers AI object removal, automatic captions using AI speech recognition and video editing tools. Available as a mobile app (Japanese supported, free to start; VIP is listed on the Japanese App Store at ¥1,200 per month and more), Wink Web (Standard from $15 per month) and desktop apps for Mac and Windows.

# 動画生成# 字幕生成# 顔認証・画像解析# 品質向上・クリエイティブ支援# 日本語対応

メイツ

Meitu

An AI photo editing and selfie retouching app from Meitu, Inc. (Xiamen, China; listed on the Hong Kong Stock Exchange). It offers image enhancement, skin, face-slimming and body retouching, an eraser for unwanted people and objects, AI image editing where you select an area and describe the change in text, and face and body retouching for videos, with a Japanese interface. Free to start on iPhone, iPad and Android; Meitu VIP is listed on the Japanese App Store at ¥1,190 per month or ¥5,400 per year.

# 画像生成# 顔認証・画像解析# 品質向上・クリエイティブ支援# エンタメ／ゲーム・遊び# 日本語対応

サイスペース

SciSpace

An AI research assistant for researchers and students from PubGenius Inc. in the US (formerly Typeset). Covering more than 280 million papers across multiple databases, its AI agent handles paper search, literature reviews, data extraction and cited drafts, alongside standalone tools such as Chat with PDF and a citation generator. The interface is in English. Basic is free; Premium is $20/month ($12/month billed annually).

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# テキスト生成# 教育

ソロリハ

SoloReha

SoloReha is a conversation practice service for individuals in which AI plays the other party—a customer, boss or interviewer. You can practice about 100 work scenes such as sales meetings, interviews, reporting to your boss, complaint handling and 1-on-1s with team members, and rehearse before the real thing by entering information about someone you will meet tomorrow. After each session you receive feedback by evaluation point, and your growth is tracked as four skills: listening, conveying, moving forward and engaging. It runs in a browser; the free plan allows 3 sessions a month, and the paid plan is ¥480 for the first month, then ¥980/month (tax incl., 30 sessions). Run as a sole proprietorship in Japan; Japanese only (official, as of October 2026).

# 自己啓発・コーチング# 教育# AIチャットボット# セールス# 日本語対応

コンセンサス

Consensus

An AI academic search engine from Consensus NLP (US). It finds relevant studies across more than 220 million peer-reviewed papers and summarizes them with citations, shows how much research agrees on a yes/no question with the "Consensus Meter", and runs literature reviews of up to 50 papers with Deep. Answers can be received in Japanese. Free plan available; Pro is $12/month billed annually.

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# 教育# 日本語対応

エリシット

Elicit

An AI research assistant for researchers from Elicit Research PBC (USA). It semantically searches more than 138 million academic papers and 545,000 clinical trials, and produces reports, data-extraction tables and systematic reviews (screening and extraction) with sentence-level citations. Designed for use in English. Basic is free; Pro is $49/month billed annually (academic plans available).

# 検索エンジン・RAG# AIエージェント# 要約・翻訳# 教育

コメット

Comet

An AI browser from Perplexity. The Comet Assistant in the sidebar summarizes and explains the pages and tabs you have open, while the Comet Agent takes over browser actions such as filling in forms, making bookings, and drafting emails. Perplexity is the default search engine. Available on Mac, Windows, iOS, and Android, and the browser itself is free (Comet Plus, which unlocks articles from partner publishers, is $5/month and included at no extra cost with Perplexity Pro and Max).

# AIエージェント# 検索・レコメンド# 要約・翻訳# 業務効率化# 生成AI（LLM）# 日本語対応

レミニ

Remini

A photo and video enhancement app from AI Creativity S.r.l. (Italy, part of the Bending Spoons group) that uses AI to turn blurry, old or low-quality photos into sharp, high-definition images. It offers face enhancement, background and color adjustments, short-video enhancement, and AI Photos and AI Filters that create portraits from your selfies, and is available as an iOS/Android app and in the browser as Remini Web. The app is free to download (with ads) and supports Japanese; paid plans run weekly, monthly or yearly, and the prices shown vary by user.

# 画像生成# 品質向上・クリエイティブ支援# 日本語対応

クイルボット

Quillbot

An AI writing assistant from Learneo, Inc. (US) built around AI paraphrasing (formerly styled QuillBot). It combines nine paraphrasing modes plus Custom modes, grammar checking, AI content detection, a Humanizer, plagiarism checking, summarizing, translation and citation generation, and also works through browser extensions, a Word add-in and mobile apps. Paraphrasing and translation support Japanese (grammar checking does not, and the interface is in English). Free plan available; Premium is $19.95/month or $99.95/year.

# コピーライティング# テキスト生成# 要約・翻訳# 品質向上・クリエイティブ支援# 教育# 日本語対応

ルームヴァーナ

Roomvana

Roomvana is an AI interior design tool: upload one photo of a room, pick a style, and it redesigns the space while keeping the real walls, windows and layout in place. Beyond restyling in 23 styles, it can repaint walls, try wallpaper, refinish cabinets, virtually stage empty rooms, remove or add furniture, and redesign exteriors, roofs and yards. It runs in the web browser and as an iOS app and is free to try (designs are watermarked). Paid options are one-time credit packs (from $14.99 for 30 credits, never expiring) or a membership at $9.90/month or $59.99/year. The interface is in English.

# 画像生成# デザイン生成# 不動産# アイデア支援／創造ツール

ケーディーピーブックアイオー

kdpbook.io

kdpbook.io is an AI book studio for Amazon KDP (Kindle Direct Publishing). From a one-sentence idea or your own manuscript (Word, PDF, Markdown or plain text), its AI writes, illustrates and typesets 36 book types, including picture books, coloring books, puzzle books, journals, novels, non-fiction and comics, and applies KDP's trim, margin, bleed and spine rules in code. It exports an interior PDF, a full-wrap cover PDF with back, spine and front in one piece, a Kindle EPUB and a listing sheet. Books can be made in 34 languages including Japanese (the interface is in English). New accounts get 2,000 free credits (no card required; free exports are watermarked and not for sale), and paid plans are Starter $25, Author $49 and Studio $99 per month (excluding tax).

# テキスト生成# 画像生成# PDF・文書生成# 生成AI（LLM）# 品質向上・クリエイティブ支援# アイデア支援／創造ツール

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Googleは個人アカウントのGeminiアプリで使えるモデルをプラン別に分け、有料プランに入っていない人は2026年10月9日からFlash-Liteのみになります。これまで無料で使えたFlashとPro（制限つき）は選べなくなり、月額¥725のGoogle AI PlusもFlashまで（適用日はメールで個別に通知）、Proが使えるのはAI Pro（¥2,900）とAI Ultra（¥14,500〜）だけです。この記事では、Googleの公式ヘルプと料金ページにもとづいて、プラン×モデルの変更前・変更後の早見表、5時間ごとにリセットされる使用量上限の倍率、新しいエフォートレベル（低・中・高）を整理します。英語版ヘルプはAI Ultraのみ、日本語版はAI ProとAI Ultraと記載が分かれているDeep Thinkの対象も確認し、無料のままでよい人・AI Plusで足りる人・AI Proが必要な人の目安と、Workspace・API・スマホアプリの扱いまで解説します。

ChatGPTのGPT-6とIntelligent UIとは【2026年10月最新】無料版で何が変わったか・SolとLunaの違い・Plusは必要か

2026年10月7日（米国時間）、OpenAIはChatGPTのChatにGPT-6を展開しました。Plus・Pro・Business・Enterpriseは同日からGPT-6 Sol、無料版とGoは10月8日からGPT-6 Lunaが日本を含む全世界で順次使われます。同時に、回答の中に図・グラフ・ボタン・フォーム・計算ツールなどの操作できる画面を組み込む「Intelligent UI」が加わり、無料版でも追加の上限なしで使えます。この記事では、更新の対象がChatだけでChatGPT WorkとCodexのモデルは変わらないことをプラン×画面の早見表で整理し、SolとLunaの違い（公式に出ている範囲と未公表の点）、Intelligent UIの使い方と非対応の環境、Web検索つきの質問で回答開始が平均44%早いという数字の比較相手、そして料金は据え置きでGoに上げてもモデルはLunaのままという点から、Plusを払う判断の目安までを、OpenAIの公式発表・ヘルプセンター・システムカード・料金ページにもとづいて解説します。

[2026 Edition] 8 AI Tools to Make Personal Learning More Efficient | Summarization, Audio Conversion, and Language Practice for Every Spare Moment

A thorough guide to 8 AI tools organized by goal — document summarization, podcast creation, English conversation practice, and more. Practical strategies for keeping learning going even on a busy schedule.