# ProtAct17 vs TidA

The clearest difference is ads: ProtAct17 at none against TidA's shown. ProtAct17 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProtAct17 ships an update every 9 months, TidA every 7 months. The most recent releases landed on July 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | ProtAct17 | TidA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 7 months** |
| Size | 187 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KIDS interactive GmbH](https://appshunter.io/developer/731500021) | [Stiftung der Deutschen Wirtschaft gGmbH](https://appshunter.io/developer/1481037374) |

## What reviewers say

### ProtAct17

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

**In-app purchases:** none


### TidA

[App page](https://appshunter.io/ios/app/tida-app/id6741113749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ProtAct17 free?

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

### Is TidA free?

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

### Do ProtAct17 or TidA have ads?

TidA shows ads; ProtAct17 does not.

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

ProtAct17 ships an update every 9 months, and TidA every 7 months. Most recently, ProtAct17 was updated on July 8, 2026 and TidA on September 14, 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.*