# Tetrium vs Kitty Blocks Evo

The clearest difference is update cadence: Tetrium at monthly against Kitty Blocks Evo's every 30 months. On price, ads, 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.

Tetrium ships an update monthly, Kitty Blocks Evo every 30 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Tetrium | Kitty Blocks Evo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/tetrium-block-puzzle-game/id1493135876/reviews)** | — |
| Number of ratings | **19** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 30 months |
| Monetization | Ad-supported | — |
| Size | 71 MB | 29 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Prysiazhniy](https://appshunter.io/developer/1252249962) | [Code This Lab srl](https://appshunter.io/developer/377003842) |

## What reviewers say

### Tetrium

[App page](https://appshunter.io/ios/app/tetrium-block-puzzle-game/id1493135876)

This addictive block puzzle game challenges you to fill a grid by dragging and dropping blocks. Clear lines to score points and complete daily challenges. Enjoy a relaxing, offline experience with customizable themes and an intuitive interface.

**Highlights:** Intuitive and user-friendly interface, No annoying ads, Lots of free themes, Undo action capability, Daily challenges, Completely offline play

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

**In-app purchases:** none


### Kitty Blocks Evo

[App page](https://appshunter.io/ios/app/kitty-blocks-evo/id1553501910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tetrium free?

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

### Is Kitty Blocks Evo free?

Kitty Blocks Evo is free to download, with no in-app purchases.

### Do Tetrium or Kitty Blocks Evo have ads?

Both Tetrium and Kitty Blocks Evo show ads.

### Which is updated more often, Tetrium or Kitty Blocks Evo?

Tetrium ships an update monthly, and Kitty Blocks Evo every 30 months. Most recently, Tetrium was updated on November 3, 2026 and Kitty Blocks Evo on November 3, 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.*