# OTTO vs S&A

The clearest difference is device support: OTTO at 3 against S&A's —. On price, in-app purchases and iOS requirement 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 | OTTO | S&A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Size | 16 MB | 44 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Hermann Otto GmbH](https://appshunter.io/developer/1460127927) | [Aleksandar Barbul](https://appshunter.io/developer/1341880738) |

## What reviewers say

### OTTO

[App page](https://appshunter.io/ios/app/otto-chemie/id582345275)

**Features:** macOS Compatibility

**In-app purchases:** none


### S&A

[App page](https://appshunter.io/ios/app/s-and-a-kat/id1594865607)

**In-app purchases:** none


## Frequently asked questions

### Is OTTO free?

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

### Is S&A free?

S&A 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.*