# Forscherfabrik vs ProtAct17

The clearest difference is device support: ProtAct17 at 3 against Forscherfabrik's 1. ProtAct17 also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads 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.

Forscherfabrik ships an update every 11 months, ProtAct17 every 9 months. The most recent releases landed on September 30, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Forscherfabrik | ProtAct17 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 9 months** |
| Size | 713 MB | 187 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Bergler](https://appshunter.io/developer/1579850181) | [KIDS interactive GmbH](https://appshunter.io/developer/731500021) |

## What reviewers say

### Forscherfabrik

[App page](https://appshunter.io/ios/app/forscherfabrik/id1579850179)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProtAct17

[App page](https://appshunter.io/ios/app/protact17/id6446908812)

**In-app purchases:** none


## Frequently asked questions

### Is Forscherfabrik free?

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

### Is ProtAct17 free?

ProtAct17 is free to download, with no in-app purchases.

### Do Forscherfabrik or ProtAct17 have ads?

Neither Forscherfabrik nor ProtAct17 shows ads.

### Which is updated more often, Forscherfabrik or ProtAct17?

Forscherfabrik ships an update every 11 months, and ProtAct17 every 9 months. Most recently, Forscherfabrik was updated on September 30, 2026 and ProtAct17 on October 17, 2026.

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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.*