Pabit vs LangBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pabit
This app helps users learn English patterns through video lessons derived from popular American drama scripts. It employs a memory technique based on the human forgetting curve and offers a search function for extensive pattern exploration.
- English pattern learning
- Video lessons from drama scripts
- Big data pattern analysis
- Forgetting curve memory method
- Pattern search function
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Pabit is an English Pattern learning app that trains users by providing the most frequent patterns. It provides learning videos by extracting the most used patterns from American drama scripts through big data analysis. It uses the memory method using the human forgetting curve to train the user for patterns, and it provides a big data pattern search function to help further learning.
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 in-app purchases: Pabit at none against LangBook's 2. Pabit also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). LangBook's advantage is update cadence (weekly vs every 3 months). On price and ads 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. LangBook sells 2 in-app purchases, starting at $4.99 per month. Pabit asks for nothing beyond the download.
Pabit ships an update every 3 months, LangBook weekly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.
| Parameter | Pabit | LangBook |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 21 MB |
| Age rating | 4+ | 12+ |
| Developer | LC Lab, Inc. | KOSUKE NAKASONO |
In-app purchases
Pabit
No in-app purchases
LangBook
- Basic$4.991 Month
- Plus$11.991 Month









