# ZenFuri_Ruby on All Japanese — Add furigana to ALL text

> Add furigana to ALL text (iPhone/iPad app by Koji Watanabe.)

- Source: https://appshunter.io/ios/app/zenfuri-ruby-on-all-japanese/id6738380560 (this page in markdown: same URL + `.md`)
- Developer: [Koji Watanabe](https://appshunter.io/developer/1332653587)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 49 MB
- Languages: American English, Japanese
- Released: 2024-12-02
- Data updated: 2026-08-20
- User reviews in markdown: https://appshunter.io/ios/app/zenfuri-ruby-on-all-japanese/id6738380560/reviews.md

## What is ZenFuri_Ruby on All Japanese?

For supporting individuals with dyslexia (reading and writing disabilities, learning disabilities, dyslexia, dysgraphia) who have difficulty reading kanji and katakana. For those studying Japanese. An app that adds furigana to all kanji and katakana.



Features:
■Adds furigana not only to kanji but also to katakana
■Adds furigana and romaji to text in photos from your album (gallery) or taken with your camera
■Adds hiragana to pasted text
■Supports both vertical and horizontal writing



Use Cases:
•When difficult kanji appear in school textbooks
•When legal terms are challenging
•When you need to memorize the Japanese Constitution
•When you become interested in copying the Heart Sutra
•When the consequences of skipping kanji studies in compulsory education catch up with you
•When you decide not to study kanji and rely on the app instead
•But remember, you can't use the app during tests, so make sure you can read properly
•Oops, you came to Tokyo before studying Japanese! Good grief
•OH! MY! GOD! Kanji, hiragana, and katakana? Japanese is too crazy!


*Internet connection required
Web Services by Yahoo! JAPAN （https://developer.yahoo.co.jp/sitemap/）

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Ad-Free Subscription | $1.99 | per month |
| Ad-Free Subscription | $12.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Donate | $4.99 | one-time |



## Version history (last 5 releases)

### 1.1.4 — 2025-03-10

Fix some bugs

### 1.1.3 — 2025-03-04

Fix some bugs

### 1.1.2 — 2025-02-20

add subscription

### 1.1.0 — 2025-01-31

1. Supports vertical writing
2. You can now change the size of the text and ruby
3. Supports dark mode

### 1.0 — 2024-12-02

No release notes.

## Apps similar to ZenFuri_Ruby on All Japanese

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ふりがなレンズ](https://appshunter.io/ios/app/id6741810456) | — | Free | Education |
| [Furigana Vision](https://appshunter.io/ios/app/furigana-vision/id6752566516) | — | Free | Education |
| [Furigana AI:OCR Study Japanese](https://appshunter.io/ios/app/furigana-aiocr-study-japanese/id6741700236) | — | Free | Education |
| [ReadFurigana](https://appshunter.io/ios/app/readfurigana/id6745557805) | — | Free | Education |
| [Kanji Story](https://appshunter.io/ios/app/kanji-story/id6739511186) | — | Free | Education |
| [Furigana Cam](https://appshunter.io/ios/app/furigana-cam/id6478520405) | — | Free | Education |

## More apps by Koji Watanabe

- [Simple Golden Ratio Calculator](https://appshunter.io/ios/app/simple-golden-ratio-calculator/id1332653588)
- [Furigana Camera - Kanji Reader](https://appshunter.io/ios/app/furigana-camera-kanji-reader/id1466588904)
- [Silver Ratio Calculator](https://appshunter.io/ios/app/silver-ratio-calculator/id1467476259)
- [TCG Card Scan](https://appshunter.io/ios/app/tcg-card-scan/id1562439491)
- [FX_最適ロット計算機～許容損失額を一定にするアプリ](https://appshunter.io/ios/app/fx/id1566085690)
- [Receipt Camera](https://appshunter.io/ios/app/receipt-camera/id1570935610)

All apps by Koji Watanabe: https://appshunter.io/developer/1332653587

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*