# KataTchook vs Samurai’s Dozen

The clearest difference is iOS requirement: Samurai’s Dozen at 15.0 against KataTchook's 18.6. 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.

KataTchook ships an update every 4 months, Samurai’s Dozen every 5 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | KataTchook | Samurai’s Dozen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/samurais-dozen/id6443761303/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | — | Free |
| Size | 156 MB | 12 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BARTOLI JOHAN](https://appshunter.io/developer/1317257810) | [Igor Fedorov](https://appshunter.io/developer/1520158242) |

## What reviewers say

### KataTchook

[App page](https://appshunter.io/ios/app/katatchook/id1487996636)

**Features:** macOS Compatibility

**In-app purchases:** none


### Samurai’s Dozen

[App page](https://appshunter.io/ios/app/samurais-dozen/id6443761303)

A memory card game where you compete against your iPhone to test your memorization skills. Flip cards, match pairs, and score points before your device outdoes you. It's an engaging way to challenge your mind and sharpen your memory on the go.

**Highlights:** Memory card gameplay, Compete against iPhone, Sharpen memory skills, Fast-paced challenges, Pocket-sized entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KataTchook free?

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

### Is Samurai’s Dozen free?

Samurai’s Dozen is free to download, with no in-app purchases.

### Do KataTchook or Samurai’s Dozen have ads?

Neither KataTchook nor Samurai’s Dozen shows ads.

### Which is updated more often, KataTchook or Samurai’s Dozen?

KataTchook ships an update every 4 months, and Samurai’s Dozen every 5 months. Most recently, KataTchook was updated on October 7, 2026 and Samurai’s Dozen on October 4, 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.*