# Déčko Mozkovna vs Kris Kros

The clearest difference is review sentiment: Kris Kros at 33% against Déčko Mozkovna's 0%. Kris Kros also leads on update cadence (every 5 months vs every 38 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Déčko Mozkovna ships an update every 38 months, Kris Kros every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Déčko Mozkovna | Kris Kros |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 144 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Česká televize](https://appshunter.io/developer/522546879) | [Michal Fuka](https://appshunter.io/developer/1503671922) |

## What reviewers say

### Déčko Mozkovna

[App page](https://appshunter.io/ios/app/decko-mozkovna/id1489285234)

Engage your brain with a variety of challenging tests designed to push your cognitive limits. Test your memory, reaction time, and problem-solving skills in fast-paced, engaging scenarios. Prove your mental prowess and see how far you can go.

**Highlights:** Memory tests, Reaction time challenges, Shape matching puzzles, Increasing difficulty, Cognitive skill development

**Features:** macOS Compatibility

**In-app purchases:** none


### Kris Kros

[App page](https://appshunter.io/ios/app/kris-kros/id1644404114)

This word-building game challenges players to strategically place letter tiles on a board to form words and earn the highest score. Each letter has a point value, and clever combinations are key to victory. The player with the most points at the end wins.

**Highlights:** Strategic letter placement, Word formation, Point-based scoring, High score competition, Letter tile values

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Déčko Mozkovna free?

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

### Is Kris Kros free?

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

### Do Déčko Mozkovna or Kris Kros have ads?

Neither Déčko Mozkovna nor Kris Kros shows ads.

### Which is updated more often, Déčko Mozkovna or Kris Kros?

Déčko Mozkovna ships an update every 38 months, and Kris Kros every 5 months. Most recently, Déčko Mozkovna was updated on October 24, 2026 and Kris Kros on October 24, 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.*