# Unbreakable Blocks vs CRT

The clearest difference is ads: Unbreakable Blocks at none against CRT's shown. Unbreakable Blocks also leads on iOS requirement (12.0 vs 15.0). CRT's advantage is update cadence (daily vs every 12 months). On price, 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.

Unbreakable Blocks ships an update every 12 months, CRT daily. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unbreakable Blocks | CRT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/unbreakable-blocks/id322432467/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 49.3% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Daily** |
| Monetization | Free | — |
| Size | 76 MB | 183 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Teruaki Onoda](https://appshunter.io/developer/299679426) | [Takatsugu Fukushima](https://appshunter.io/developer/838891625) |

## What reviewers say

### Unbreakable Blocks

[App page](https://appshunter.io/ios/app/unbreakable-blocks/id322432467)

This game challenges players to avoid breaking any blocks. It offers a unique twist on traditional block-breaking mechanics, focusing on preservation rather than destruction. Experience a different kind of puzzle gameplay.

**Highlights:** Unique block preservation gameplay, Challenging puzzle mechanics, Simple, intuitive controls, Focus on strategic avoidance

**Features:** Vision Pro support

**In-app purchases:** none


### CRT

[App page](https://appshunter.io/ios/app/crt-nbreak/id6736833528)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unbreakable Blocks free?

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

### Is CRT free?

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

### Do Unbreakable Blocks or CRT have ads?

CRT shows ads; Unbreakable Blocks does not.

### Which is updated more often, Unbreakable Blocks or CRT?

Unbreakable Blocks ships an update every 12 months, and CRT daily. Most recently, Unbreakable Blocks was updated on October 13, 2026 and CRT on October 10, 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.*