# 3 Blocks! vs Cuspart

The clearest difference is in-app purchases: 3 Blocks! at none against Cuspart's 7. 3 Blocks! also leads on update cadence (every 3 months vs every 21 months) and device support. On price there is nothing between them.

Both are free to download. Cuspart sells 7 in-app purchases, starting at $2.99 per month. 3 Blocks! asks for nothing beyond the download.

3 Blocks! ships an update every 3 months, Cuspart every 21 months. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 3 Blocks! | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/3-blocks/id1034188287/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | **Every 3 months** | Every 21 months |
| Monetization | Ad-supported | — |
| Size | 85 MB | 9 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [GameZen, Inc.](https://appshunter.io/developer/440126422) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### 3 Blocks!

[App page](https://appshunter.io/ios/app/3-blocks/id1034188287)

A tile-matching puzzle game where players arrange falling blocks to create full lines and clear space. Compete for high scores in Classic mode or race to clear lines quickly in Speed mode. Offers cognitive benefits with regular play.

**Highlights:** Tile-matching puzzle gameplay, Classic mode for high scores, Speed mode for quick line clearing, Next piece preview, Hard drop functionality, Cognitive function enhancement

**Features:** Vision Pro support

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-sudoku/id6612032875)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $2.99 | per month |
| 3 Month Subscription | $8.99 | per 3 months |
| 12 Month Subscription | $29.99 | per year |
| 100 Coins | $2.99 | one-time |
| 500 Coins | $9.99 | one-time |
| 1000 Coins | $19.99 | one-time |
| 2500 Coins | $39.99 | one-time |


## Frequently asked questions

### Is 3 Blocks! free?

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

### Is Cuspart free?

Cuspart is free to download, with in-app purchases available.

### Which is updated more often, 3 Blocks! or Cuspart?

3 Blocks! ships an update every 3 months, and Cuspart every 21 months. Most recently, 3 Blocks! was updated on October 20, 2026 and Cuspart on October 6, 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.*