# Document Scanner vs Watermark ID Card Protect

The clearest difference is ads: Document Scanner at none against Watermark ID Card Protect's shown. Watermark ID Card Protect's advantage is update cadence (every 4 days vs every 3 weeks) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Document Scanner ships an update every 3 weeks, Watermark ID Card Protect every 4 days. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Document Scanner | Watermark ID Card Protect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 2 MB | 55 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Calis](https://appshunter.io/developer/1779044245) | [Alberto Gonzalez](https://appshunter.io/developer/1566774376) |

## What reviewers say

### Document Scanner

[App page](https://appshunter.io/ios/app/document-scanner-alg/id6738042632)

**In-app purchases:** none


### Watermark ID Card Protect

[App page](https://appshunter.io/ios/app/watermark-id-card-protect/id6749518545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Document Scanner free?

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

### Is Watermark ID Card Protect free?

Watermark ID Card Protect is free to download, with no in-app purchases.

### Do Document Scanner or Watermark ID Card Protect have ads?

Watermark ID Card Protect shows ads; Document Scanner does not.

### Which is updated more often, Document Scanner or Watermark ID Card Protect?

Document Scanner ships an update every 3 weeks, and Watermark ID Card Protect every 4 days. Most recently, Document Scanner was updated on September 10, 2026 and Watermark ID Card Protect on September 21, 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.*