# ATSensoTec vs Büttner

The clearest difference is device support: ATSensoTec at 3 against Büttner's —. Büttner's advantage is iOS requirement (13.2 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 | ATSensoTec | Büttner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 27 months | — |
| Size | 36 MB | 27 MB |
| Requires iOS | 15.6 | **13.2** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [ATSensoTec](https://appshunter.io/developer/1191197345) | [DOMETIC MOBILE POWER ITALY S.r.l.](https://appshunter.io/developer/1715492783) |

## What reviewers say

### ATSensoTec

[App page](https://appshunter.io/ios/app/atsensotec/id6443987831)

**Features:** Vision Pro support

**In-app purchases:** none


### Büttner

[App page](https://appshunter.io/ios/app/buttner/id6471507273)

**In-app purchases:** none


## Frequently asked questions

### Is ATSensoTec free?

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

### Is Büttner free?

Büttner 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.*