Uptie(アップティー) vs LangBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Uptie(アップティー)
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Uptieは、翻訳・添削した英語を、復習カード・音読・発音練習に変えて身につける英語学習アプリです。 日本語メモ、英語日記、翻訳、英文添削から生まれた「自分が本当に使いたい英語」を、そのまま学習教材にできます。 翻訳して終わり、添削して終わりにせず、英会話で使える表現として少しずつ定着させていけます。 ■ こんな方におすすめ ・英会話で自分のことをもっと自然に話したい ・日本語で考えたことを自然な英語にしたい ・英語日記や英文添削を、その場で終わらせたくない ・覚えた表現を、次の会話や文章で使えるようにしたい ・音読、発音、シャドーイングもまとめて続けたい ・移動中にもハンズフリーで学びたい ■ 主な機能 ・日本語または英語で入力 ・AIによる翻訳 / 英文添削 ・言いたかった表現や重要フレーズを自動抽出 ・復習カードを自動生成 ・間隔反復で最適なタイミングに復習 ・発音チェック、音読、シャドーイング ・読み上げ / リピートでハンズフリー学習 ■ Uptieの特長 あなたが実際に書いた内容から、覚えたい英語だけをAIが教材化します。 だから、英語日記・翻訳・添削の結果を「保存する」だけでなく、「使える英語」として身につけやすいのが特長です。 無料で始められ、必要に応じてサブスクリプションで利用上限を拡張できます。 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
LangBook
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Build your Japanese writing habit, one sentence at a time. This app helps you practice Japanese through daily journaling, AI feedback, vocabulary review, and flashcards. Write about your feelings, your day, or a guided topic, then receive feedback on grammar, vocabulary, expression, and natural flow. It is designed for learners who want to write more Japanese, build confidence, and make Japanese study part of their daily routine. ■ Japanese journal Write freely about your day or choose a guided topic when you are not sure what to write. Start small with just one sentence a day. ■ AI feedback Get clear feedback on grammar, vocabulary, expression, and natural flow. The AI helps you make your Japanese sound more natural and easier to understand. ■ Track your progress See your score, study streak, learning time, and skill balance. Visual progress helps you stay motivated. ■ Vocabulary and flashcards Save important words and review them with flashcards. Practice forgotten words and turn them into usable vocabulary. ■ Recommended for: ・Learners who want to write a Japanese diary ・Students who want to improve Japanese writing ・People looking for AI Japanese correction ・Learners who want to practice Japanese grammar and vocabulary ・Anyone who wants to study Japanese every day ・Students who want to review words with flashcards One sentence a day can become tomorrow’s confidence. Start writing in Japanese today. Some AI features require a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacyenglsih.bridra.net
Screenshots
Verdict
The clearest difference is update cadence: Uptie(アップティー) at every 2 days against LangBook's weekly. LangBook's advantage is iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases 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. Uptie(アップティー) sells 2 in-app purchases, starting at $7.99 per month and LangBook sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Uptie(アップティー) ships an update every 2 days, LangBook weekly. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Uptie(アップティー) | LangBook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 103 MB | 21 MB |
| Age rating | 4+ | 12+ |
| Developer | Base Context Labs | KOSUKE NAKASONO |
In-app purchases
Uptie(アップティー)
- Pro$7.991 Month
- Pro Annually$69.991 Year
LangBook
- Basic$4.991 Month
- Plus$11.991 Month









