# Rainbow Piece vs Critter Patch

The clearest difference is price: Rainbow Piece at Free against Critter Patch's $0.99. Critter Patch's advantage is update cadence (every 3 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Rainbow Piece is free to download; Critter Patch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rainbow Piece ships an update every 3 months, Critter Patch every 3 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Rainbow Piece | Critter Patch |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 1 MB | 4 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kiyoshi Izumi](https://appshunter.io/developer/1807085294) | [Harold Lagroue](https://appshunter.io/developer/1875664069) |

## What reviewers say

### Rainbow Piece

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

**Features:** Apple Watch app

**In-app purchases:** none


### Critter Patch

[App page](https://appshunter.io/ios/app/critter-patch-watch-puzzle/id6819066528)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Rainbow Piece free?

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

### Is Critter Patch free?

Critter Patch costs $0.99, with no in-app purchases.

### Do Rainbow Piece or Critter Patch have ads?

Neither Rainbow Piece nor Critter Patch shows ads.

### Which is updated more often, Rainbow Piece or Critter Patch?

Rainbow Piece ships an update every 3 months, and Critter Patch every 3 days. Most recently, Rainbow Piece was updated on October 30, 2026 and Critter Patch on November 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.*