Embark on a river journey to master Japanese kanji. Answer quizzes and review characters for all JLPT levels. Unlock cosmetic rewards and compete on global leaderboards as you progress through guided challenges.






245+ iOS apps & games curated and reviewed
With an average user rating of 4.0★, the jlpt kanji otter adventure category is one of the App Store's strongest. Browse all 245+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | Yes | Oct 2026 | ||
| 2 | Free | 4.7★ (7.3K) | No | Yes | Nov 2026 | ||
| 3 | Free | 3.0★ (2) | Yes | Yes | Oct 2026 | ||
| 4 | $19.99 | 4.6★ (12) | No | No | Nov 2026 | ||
| 5 | Free | — | Yes | No | May 2026 | ||
| 6 | Free | 2.3★ (6) | No | Yes | Oct 2026 | ||
| 7 | Free | 4.5★ (8) | Yes | Yes | Nov 2026 | ||
| 8 | Free | — | Yes | Yes | Nov 2026 |






Embark on a river journey to master Japanese kanji. Answer quizzes and review characters for all JLPT levels. Unlock cosmetic rewards and compete on global leaderboards as you progress through guided challenges.





Learn Japanese kanji through vocabulary words, not rote memorization. Features writing lessons with stroke detection, spaced repetition reviews, and full JLPT level coverage. Works offline and includes audio pronunciation for over 5,000 words.






Master essential Kanji for JLPT levels N5 through N1 with this comprehensive study tool. Features include animated writing guides, audio pronunciation, example sentences, and interactive flashcards and quizzes to track your learning progress.