# Color Sort Fun vs Rainbow Piece

The clearest difference is price: Rainbow Piece at Free against Color Sort Fun's $0.99. Rainbow Piece also leads on in-app purchases (none vs 1) and ads (none vs shown). Color Sort Fun's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (17.0 vs 26.0). On device support there is nothing between them.

Rainbow Piece is free to download; Color Sort Fun costs $0.99 up front. Color Sort Fun sells 1 one-off in-app purchase. Rainbow Piece asks for nothing beyond the download.

Color Sort Fun ships an update every 3 weeks, Rainbow Piece every 3 months. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Color Sort Fun | Rainbow Piece |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 39 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 9+ | 4+ |
| Developer | [DegerGames](https://appshunter.io/developer/1716757352) | [Kiyoshi Izumi](https://appshunter.io/developer/1807085294) |

## What reviewers say

### Color Sort Fun

[App page](https://appshunter.io/ios/app/color-sort-fun-puzzle-game/id6504075726)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get all games & get rid of ads | $0.99 | one-time |


### Rainbow Piece

[App page](https://appshunter.io/ios/app/rainbow-piece/id6745691663)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Color Sort Fun free?

Color Sort Fun costs $0.99, and also offers in-app purchases.

### Is Rainbow Piece free?

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

### Do Color Sort Fun or Rainbow Piece have ads?

Color Sort Fun shows ads; Rainbow Piece does not.

### Which is updated more often, Color Sort Fun or Rainbow Piece?

Color Sort Fun ships an update every 3 weeks, and Rainbow Piece every 3 months. Most recently, Color Sort Fun was updated on October 9, 2026 and Rainbow Piece on September 30, 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.*