Nihongo Quest Study vs Manabi AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nihongo Quest Study
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Nihongo Quest Study is your interactive companion for learning Japanese, designed for all levels from beginner to advanced. Practice with daily quizzes and word games Prepare for JLPT exams with targeted content Track your progress and streaks Enjoy a beautiful, distraction-free interface Learn kanji, vocabulary, and reading in context Whether you’re starting your Japanese journey or aiming for JLPT N1, Nihongo Quest Study makes learning efficient and enjoyable. Join thousands of learners and level up your Japanese today!
Manabi AI
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You want to study, but you are not sure where to start. You get stuck when you face a problem you do not understand. You want to review, but you do not know where to go back to. Manabi-AI is a learning support app designed to reduce those common study struggles. Record your study time and make today’s effort visible. Send a photo of a problem you do not understand, and AI will explain not just the answer, but the way of thinking behind it. Save what you want to review later as review cards, and connect it to your next study session. What you can do with Manabi-AI: Organize your weak points with review cards Ask AI questions by sending photos of problems Record study time with a timer Manage progress for each study material Deepen your understanding through explanations Check your daily effort with learning logs Studying is not something you continue through motivation alone. With a system that makes it easier to keep going, today’s 10 minutes can lead to tomorrow’s 1 hour. With Manabi-AI, turn studying from “just getting it done” into a habit that keeps building.
Screenshots
Verdict
The clearest difference is update cadence: Manabi AI at every 2 days against Nihongo Quest Study's every 5 days. 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. Neither carries in-app purchases, so what you see is what you pay.
Nihongo Quest Study ships an update every 5 days, Manabi AI every 2 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | Nihongo Quest Study | Manabi AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 31 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | ABINASH ADHIKARI | Toshiki Endo |
In-app purchases
Nihongo Quest Study
No in-app purchases
Manabi AI
No in-app purchases









