# Kuno taucht ab vs ProtAct17

The clearest difference is price: ProtAct17 at Free against Kuno taucht ab's $1.99. ProtAct17 also leads on device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

ProtAct17 is free to download; Kuno taucht ab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kuno taucht ab ships an update every 8 months, ProtAct17 every 9 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Kuno taucht ab | ProtAct17 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 9 months |
| Size | 191 MB | 187 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Martin Steidl](https://appshunter.io/developer/1428700760) | [KIDS interactive GmbH](https://appshunter.io/developer/731500021) |

## What reviewers say

### Kuno taucht ab

[App page](https://appshunter.io/ios/app/kuno-taucht-ab/id1555762580)

**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 Kuno taucht ab free?

Kuno taucht ab costs $1.99, with no in-app purchases.

### Is ProtAct17 free?

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

### Do Kuno taucht ab or ProtAct17 have ads?

Neither Kuno taucht ab nor ProtAct17 shows ads.

### Which is updated more often, Kuno taucht ab or ProtAct17?

Kuno taucht ab ships an update every 8 months, and ProtAct17 every 9 months. Most recently, Kuno taucht ab was updated on November 3, 2026 and ProtAct17 on October 27, 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.*