# Simple Furigana vs 敬語ボタン｜AI変換・返信キーボード

The clearest difference is rating: 敬語ボタン｜AI変換・返信キーボード at 5.0 against Simple Furigana's 4.5. 敬語ボタン｜AI変換・返信キーボード also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs every 4 months). Simple Furigana's advantage is ratings volume (273 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Simple Furigana sells 4 one-off in-app purchases. 敬語ボタン｜AI変換・返信キーボード asks for nothing beyond the download.

敬語ボタン｜AI変換・返信キーボード holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Simple Furigana has 273 ratings behind it against 1, so its average is the more settled of the two.

Simple Furigana ships an update every 4 months, 敬語ボタン｜AI変換・返信キーボード every 3 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Furigana | 敬語ボタン｜AI変換・返信キーボード |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (273 ratings)](https://appshunter.io/ios/app/simple-furigana/id924351286/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6777901723/reviews)** |
| Number of ratings | **273** | 1 |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 229 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [telethon k.k.](https://appshunter.io/developer/699508003) | [Yihuan Sun](https://appshunter.io/developer/1865050525) |

## What reviewers say

### Simple Furigana

[App page](https://appshunter.io/ios/app/simple-furigana/id924351286)

Easily add ruby characters (furigana) to Japanese text. This app supports both hiragana and romaji annotations for kanji, and works with both vertical and horizontal layouts. Share or print your annotated text, or use the extension to add furigana directly within other apps like Safari.

**Highlights:** Add furigana to Japanese text, Supports hiragana and romaji, Vertical and horizontal layouts, Print or share annotated text, In-app extension for Safari and other apps, Offline annotation

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ipadic Dictionary | Free | one-time |
| Unidic | Free | one-time |
| NAIST JDic | Free | one-time |
| Jumandic | Free | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Helpful for learners
- ✅ Does its job well
- 💯 Very useful

**What reviewers complain about**

- 🐛 Furigana accuracy issues
- 🐛 App crashes frequently
- 🐛 Incorrect furigana
- 🐛 Doesn't recognize Kanji well
- 🐛 Not working after updates

**Reported bugs**

- Furigana is only 70% accurate
- Cannot copy text entirely
- Sometimes makes mistakes
- Does not recognize kanji words more than two when clicked or highlighted
- Only reads numbers, not all of them

**Requested features**

- Add UX for 1 tap and 2 taps for immediate furigana
- Add furigana for vertical documents
- Import photos for furigana generation
- Option to set language to Chinese
- Ability to select specific character ranges for manual pronunciation alteration


### 敬語ボタン｜AI変換・返信キーボード

[App page](https://appshunter.io/ios/app/ai/id6777901723)

This AI-powered keyboard helps you write Japanese messages with the appropriate tone for any situation. Easily transform your text into polite, professional, or natural-sounding Japanese, and get AI-generated replies without leaving your current app.

**Highlights:** Rewrite Japanese in one tap, AI-generated replies, Complete Japanese keyboard functionality, Multiple text suggestions, Customizable AI buttons, Privacy-focused input processing

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Furigana free?

Simple Furigana is free to download, with in-app purchases available.

### Is 敬語ボタン｜AI変換・返信キーボード free?

敬語ボタン｜AI変換・返信キーボード is free to download, with no in-app purchases.

### Which has better reviews, Simple Furigana or 敬語ボタン｜AI変換・返信キーボード?

敬語ボタン｜AI変換・返信キーボード is rated higher. Simple Furigana averages 4.5 out of 5 from 273 ratings, while 敬語ボタン｜AI変換・返信キーボード averages 5.0 from 1 ratings.

### Do Simple Furigana or 敬語ボタン｜AI変換・返信キーボード have ads?

Neither Simple Furigana nor 敬語ボタン｜AI変換・返信キーボード shows ads.

### Which is updated more often, Simple Furigana or 敬語ボタン｜AI変換・返信キーボード?

Simple Furigana ships an update every 4 months, and 敬語ボタン｜AI変換・返信キーボード every 3 days. Most recently, Simple Furigana was updated on November 9, 2026 and 敬語ボタン｜AI変換・返信キーボード on October 31, 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.*