# ID&V Proofing vs Casis

The clearest difference is device support: ID&V Proofing at 2 against Casis's —. Casis's advantage is iOS requirement (11.0 vs 15.5). 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.

## The numbers

| Metric | ID&V Proofing | Casis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Size | 86 MB | 40 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Idemia Poland R&D Sp. z o.o.](https://appshunter.io/developer/1509006660) | [Innovatrics s.r.o.](https://appshunter.io/developer/1321602685) |

## What reviewers say

### ID&V Proofing

[App page](https://appshunter.io/ios/app/id-and-v-proofing/id1435132423)

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

**In-app purchases:** none


### Casis

[App page](https://appshunter.io/ios/app/casis/id1445658900)

**In-app purchases:** none


## Frequently asked questions

### Is ID&V Proofing free?

ID&V Proofing is free to download, with no in-app purchases.

### Is Casis free?

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

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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.*