# Furigana Reader vs Document Scanner By MadMath

The clearest difference is in-app purchases: Document Scanner By MadMath at none against Furigana Reader's 1. Document Scanner By MadMath also leads on ads (none vs shown) and iOS requirement (13.0 vs 26.0). Furigana Reader's advantage is update cadence (every 3 weeks vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Furigana Reader sells 1 one-off in-app purchase. Document Scanner By MadMath asks for nothing beyond the download.

Furigana Reader ships an update every 3 weeks, Document Scanner By MadMath every 7 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Furigana Reader | Document Scanner By MadMath |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 5 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Akito](https://appshunter.io/developer/529433425) | [Palanisamy Shanmugam](https://appshunter.io/developer/1597120898) |

## What reviewers say

### Furigana Reader

[App page](https://appshunter.io/ios/app/furigana-reader/id529433422)

This app automatically adds furigana (ruby annotations) to Japanese websites, providing instant readings for kanji. It offers a reader mode, dictionary lookup, and customizable display options to enhance your Japanese browsing experience.

**Highlights:** Automatic furigana annotations, Reader mode for distraction-free articles, In-page dictionary lookup, Built-in ad and tracker blocker, Customizable ruby text appearance, Romaji support (Hepburn/Wapuro), Share and action extensions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Document Scanner By MadMath

[App page](https://appshunter.io/ios/app/document-scanner-by-madmath/id1599595423)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Furigana Reader free?

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

### Is Document Scanner By MadMath free?

Document Scanner By MadMath is free to download, with no in-app purchases.

### Do Furigana Reader or Document Scanner By MadMath have ads?

Furigana Reader shows ads; Document Scanner By MadMath does not.

### Which is updated more often, Furigana Reader or Document Scanner By MadMath?

Furigana Reader ships an update every 3 weeks, and Document Scanner By MadMath every 7 months. Most recently, Furigana Reader was updated on October 4, 2026 and Document Scanner By MadMath on October 2, 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.*