カメ単 AI英単語帳 vs Inko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
カメ単 AI英単語帳
Effortlessly build your own vocabulary lists by inputting English or Japanese words. The app automatically generates definitions, usage examples, etymologies, and quizzes to aid memorization and learning. Capture new expressions from articles, movies, and conversations on the go.
- Input in English or Japanese
- AI-generated definitions and examples
- Create custom vocabulary lists
- AI-generated quizzes for review
- Quickly add words from any source
- Track vocabulary growth
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英語でも、日本語でも単語を入力するだけで意味や使い方、語源、例文、熟語などを自動で集めてくれるアプリです。面倒な手入力や調べ物の手間がぐっと減るので、気軽に自分だけの単語帳を育てていけます。 さらに、登録した単語をもとにAIがクイズを自動で作成してくれるから、復習や定着も自然と進む仕組み。ニュース記事、映画、日常会話で出会った英語表現をその場で記録して、少しずつ覚えていきましょう。 【こんな方におすすめ】 • 新しい単語に出会うたび、「あとで覚えよう」と思いながら結局忘れてしまう人 • わざわざ辞書を引くのが面倒で、そのままになりがちな単語をスッキリ整理したい人 • 自分のペースで語彙を増やし、英語力をじっくり底上げしたい人 【主な特徴】 • 英語でも日本語でも入力OK • AI自動生成:単語を入力すれば、関連情報が一度に揃います • オリジナル単語帳:自分だけの単語リストを作って、必要なものに集中できます • AIクイズ機能:入力した単語をもとに自動でクイズを生成し、定着をサポート • 日常で拾った単語も即登録:記事や映画、会話で出会った英語をすぐ学習に取り込めます 【今後のアップデート予定】 • AI先生との会話 • 登録単語を使った学習コンテンツの自動生成 • 復習タイミングをお知らせするリマインド機能 カメ単で、無理なく、のんびり続けながら、気づけば語彙力アップ。日々の積み重ねを大切に、あなたの英語学習をサポートします。
Inko
Practice speaking a new language with an AI for just 60 seconds daily. Receive personalized lesson notes comparing your speech to a native speaker's, and save new vocabulary to reinforce learning. Generate a review podcast from your lessons for on-the-go practice.
- Daily 60-second AI conversations
- Personalized lesson notes
- Native speaker comparisons
- Vocabulary saving and flashcards
- Review podcast generation
- Supports 40+ languages
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Inko turns "I should practice speaking" into something you actually do every day. Pick a scene, talk with a friendly AI for just 60 seconds, and the moment you finish, you get a personal lesson note: what you said, and how a native speaker would say it instead. SPEAK FOR 60 SECONDS A DAY • Swipe through immersive, short-video-style scenes and jump straight into a conversation • Open-mic, real-time voice chat. Interrupt, hesitate, think out loud, just like a real call • Stuck? Say it in your own language. Inko understands, rephrases it naturally, and keeps the conversation going GET A LESSON MADE JUST FOR YOU • After every chat, Inko writes a lesson note from YOUR conversation • See "you said this → a native would say this" rewrites, side by side • Replay your own voice and read the full transcript TURN LESSONS INTO YOUR OWN STUDY MATERIAL • Save words, phrases and idioms with one tap • Review them as flashcards and mark the ones you have mastered • Saved phrases come back in tomorrow's conversation, so you actually use them REVIEW WITH YOUR PERSONAL PODCAST • Turn your lesson notes into a two-host review podcast, generated just for you • Listen with subtitles, in the background, on the go LEARN 40+ LANGUAGES • English, Spanish, Korean, Japanese, French, German, Chinese and many more • Explanations in your native language, expressions in your target language YOUR DATA STAYS YOURS • Lesson notes, phrases and recordings are stored on your device • Delete your data, or your whole account, anytime One minute a day is enough. Meet your coach, start talking, and watch your speaking improve. INKO PRO (AUTO-RENEWABLE SUBSCRIPTION) Inko Pro unlocks unlimited conversations, lesson notes, flashcards and review podcasts. • Weekly: $5.99 / 1 week • Monthly: $14.99 / 1 month • Annual: $99.99 / 1 year Prices are in USD and may vary by region; the exact price for your region is shown in the app before you buy. • Payment is charged to your Apple Account at confirmation of purchase. • The subscription renews automatically for the same price and period unless auto-renew is turned off at least 24 hours before the end of the current period. • You can manage or cancel your subscription in your Apple Account settings after purchase. • Any unused portion of a free trial, if offered, is forfeited when you buy a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://inkoapp.ai/privacy
Screenshots
Verdict
The clearest difference is rating: Inko at 5.0 against カメ単 AI英単語帳's 4.0. Inko also leads on in-app purchases (none vs 1) and update cadence (daily vs weekly). カメ単 AI英単語帳's advantage is iOS requirement (15.0 vs 17.0). On price, ads, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. カメ単 AI英単語帳 sells 1 in-app purchase, starting at $3.99 per month. Inko asks for nothing beyond the download.
Inko holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 50% of カメ単 AI英単語帳's written reviews are positive against 67% of Inko's.
カメ単 AI英単語帳 ships an update weekly, Inko daily. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.
| Parameter | カメ単 AI英単語帳 | Inko |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 50.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 2 | 6 — better |
| Update frequency | Weekly | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 128 MB |
| Age rating | 4+ | 4+ |
| Developer | HIROAKI HOSAKA | AlphaByte, Inc. |
Customer experience
カメ単 AI英単語帳
Inko
In-app purchases
カメ単 AI英単語帳
- Basic$3.991 Month
Inko
No in-app purchases








