# Color Sort vs 4U Blocks

The clearest difference is in-app purchases: 4U Blocks at none against Color Sort's 5. 4U Blocks also leads on update cadence (every 5 days vs every 2 weeks). Color Sort's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Color Sort sells 5 one-off in-app purchases. 4U Blocks asks for nothing beyond the download.

Color Sort ships an update every 2 weeks, 4U Blocks every 5 days. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Color Sort | 4U Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/4u-blocks/id6774837547/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Ad-supported |
| Size | 279 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anivale Private Ltd](https://appshunter.io/developer/1228562736) | [ANDREW TREY ROW](https://appshunter.io/developer/6774837549) |

## What reviewers say

### Color Sort

[App page](https://appshunter.io/ios/app/color-sort-water-sort-3d/id6479287950)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3000 Coins | $1.99 | one-time |
| Unlock Themes | $1.99 | one-time |
| 10000 Coins | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Unlock Tubes | $3.99 | one-time |


### 4U Blocks

[App page](https://appshunter.io/ios/app/4u-blocks/id6774837547)

A color-matching puzzle game focused on strategic placement and combo building. Clear lines, break obstacles, and utilize power-ups to achieve high scores. Offers both an endless mode and a daily challenge.

**Highlights:** Endless color-matching puzzle play, Daily Challenge mode, Concrete blocks for strategic depth, Power-Ups (shuffle, breaker, bomb, rotate), Combo scoring system, Simple touch controls

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Color Sort free?

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

### Is 4U Blocks free?

4U Blocks is free to download, with no in-app purchases.

### Do Color Sort or 4U Blocks have ads?

Both Color Sort and 4U Blocks show ads.

### Which is updated more often, Color Sort or 4U Blocks?

Color Sort ships an update every 2 weeks, and 4U Blocks every 5 days. Most recently, Color Sort was updated on October 25, 2026 and 4U Blocks on October 17, 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.*