# Document Scanner By MadMath vs PDFTranslator

The clearest difference is in-app purchases: Document Scanner By MadMath at none against PDFTranslator's 3. Document Scanner By MadMath also leads on iOS requirement (13.0 vs 16.6). PDFTranslator's advantage is update cadence (every 4 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. PDFTranslator sells 3 in-app purchases, starting at $0.99 per 7 days. Document Scanner By MadMath asks for nothing beyond the download.

Document Scanner By MadMath ships an update every 7 months, PDFTranslator every 4 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Document Scanner By MadMath | PDFTranslator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 5 MB | 19 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Palanisamy Shanmugam](https://appshunter.io/developer/1597120898) | [琳 李](https://appshunter.io/developer/1824200640) |

## What reviewers say

### Document Scanner By MadMath

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFTranslator

[App page](https://appshunter.io/ios/app/pdftranslator-keep-layout/id6758367464)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is Document Scanner By MadMath free?

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

### Is PDFTranslator free?

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

### Do Document Scanner By MadMath or PDFTranslator have ads?

Neither Document Scanner By MadMath nor PDFTranslator shows ads.

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

Document Scanner By MadMath ships an update every 7 months, and PDFTranslator every 4 days. Most recently, Document Scanner By MadMath was updated on November 7, 2026 and PDFTranslator on November 9, 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.*