# KanjiBox vs Forest Fun

The clearest difference is price: Forest Fun at Free against KanjiBox's $4.99. Forest Fun also leads on in-app purchases (none vs 8) and iOS requirement (13.0 vs 16.0). KanjiBox's advantage is update cadence (weekly vs every 12 months). On ads and device support there is nothing between them.

Forest Fun is free to download; KanjiBox costs $4.99 up front. KanjiBox sells 8 one-off in-app purchases. Forest Fun asks for nothing beyond the download.

KanjiBox ships an update weekly, Forest Fun every 12 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KanjiBox | Forest Fun |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.6 (138 ratings)](https://appshunter.io/ios/app/kanjibox/id322311303/reviews)** | — |
| Number of ratings | **138** | — |
| Positive reviews | 92.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 361 MB | 278 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Unknown Genius Software](https://appshunter.io/developer/322311306) | [Furet Company](https://appshunter.io/developer/371295941) |

## What reviewers say

### KanjiBox

[App page](https://appshunter.io/ios/app/kanjibox/id322311303)

Master Japanese language skills offline with interactive drills, quizzes, and flashcards. Track progress with detailed stats and game-like achievements. Includes handwriting practice and preparation for standardized tests.

**Highlights:** Offline Japanese study, Drills, quizzes, and flashcards, Handwriting practice modules, Progress tracking and achievements, JLPT and Kanji Kentei preparation, Adaptive learning with SRS, Customizable study sets

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KanjiDraw | $0.99 | one-time |
| KanaDraw | $0.99 | one-time |
| Grammar - Beginner I: Particles | $0.99 | one-time |
| Grammar - Intermediate I | $0.99 | one-time |
| Grammar - Beginner II: Where? When? | $0.99 | one-time |
| Grammar - Beginner III: 後, 前, 上, 下... | $0.99 | one-time |
| Advanced I: ところ＋に,で,へ,を... | $0.99 | one-time |
| Vocab N5 Nouns (pt. 1) | $0.99 | one-time |

**What reviewers like**

- 👍 Comprehensive kanji and vocabulary practice
- 🚀 Efficient spaced repetition learning
- 💡 Customizable study settings
- 🚀 Syncs progress across devices
- 👍 Integrates with dictionary app

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 👎 Limited grammar practice
- 👎 Sensitive kanji writing recognition
- 👎 Repetitive kanji/vocabulary selection

**Reported bugs**

- App crashes when launching at higher JLPT levels
- Syncing issues between mobile and web versions
- Incorrect kanji/vocabulary definitions in some cases

**Requested features**

- Add more grammar and sentence-level practice
- Improve kanji writing recognition accuracy
- Allow searching for specific kanji or vocabulary
- Provide more detailed review of missed questions


### Forest Fun

[App page](https://appshunter.io/ios/app/forest-fun/id1463587427)

**In-app purchases:** none


## Frequently asked questions

### Is KanjiBox free?

KanjiBox costs $4.99, and also offers in-app purchases.

### Is Forest Fun free?

Forest Fun is free to download, with no in-app purchases.

### Do KanjiBox or Forest Fun have ads?

Neither KanjiBox nor Forest Fun shows ads.

### Which is updated more often, KanjiBox or Forest Fun?

KanjiBox ships an update weekly, and Forest Fun every 12 months. Most recently, KanjiBox was updated on October 24, 2026 and Forest Fun on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*