# Smart400 vs ClexFWProg

The clearest difference is device support: ClexFWProg at 2 against Smart400's —. Smart400's advantage is iOS requirement (13.0 vs 16.0). 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 | Smart400 | ClexFWProg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 10 MB | 73 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Dinec](https://appshunter.io/developer/1166473270) | [Uhlmann & Zacher GmbH](https://appshunter.io/developer/1413776543) |

## What reviewers say

### Smart400

[App page](https://appshunter.io/ios/app/smart400/id1591387007)

**In-app purchases:** none


### ClexFWProg

[App page](https://appshunter.io/ios/app/clexfwprog/id6470370699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart400 free?

Smart400 is free to download, with no in-app purchases.

### Is ClexFWProg free?

ClexFWProg 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.*