# Rainbow vs Water Sort

The clearest difference is in-app purchases: Rainbow at none against Water Sort's 1. Rainbow also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Water Sort sells 1 one-off in-app purchase. Rainbow asks for nothing beyond the download.

Rainbow ships an update every 6 weeks, Water Sort monthly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rainbow | Water Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 91 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Web Motion Technologies](https://appshunter.io/developer/1652304411) | [帅 李](https://appshunter.io/developer/6801788026) |

## What reviewers say

### Rainbow

[App page](https://appshunter.io/ios/app/rainbow-puzzle/id6745502577)

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Sort

[App page](https://appshunter.io/ios/app/water-sort-rainbow-bottles/id6806296828)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Water Sort Puzzles | $2.99 | one-time |


## Frequently asked questions

### Is Rainbow free?

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

### Is Water Sort free?

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

### Do Rainbow or Water Sort have ads?

Neither Rainbow nor Water Sort shows ads.

### Which is updated more often, Rainbow or Water Sort?

Rainbow ships an update every 6 weeks, and Water Sort monthly. Most recently, Rainbow was updated on November 8, 2026 and Water Sort on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*