# DAI Security Pro vs Casul

The clearest difference is device support: DAI Security Pro at 2 against Casul's —. Casul's advantage is iOS requirement (13.4 vs 15.6). 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 | DAI Security Pro | Casul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | — |
| Size | 51 MB | 25 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [SoftGuard Technologies LLC](https://appshunter.io/developer/1646125906) | [Dwit Mexico](https://appshunter.io/developer/1471240503) |

## What reviewers say

### DAI Security Pro

[App page](https://appshunter.io/ios/app/dai-security-pro/id1528554664)

**In-app purchases:** none


### Casul

[App page](https://appshunter.io/ios/app/casul/id6479458169)

**In-app purchases:** none


## Frequently asked questions

### Is DAI Security Pro free?

DAI Security Pro is free to download, with no in-app purchases.

### Is Casul free?

Casul 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.*