# U vs Wave

The clearest difference is device support: U at 3 against Wave's 1. U also leads on iOS requirement (15 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | U | Wave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 56 MB | 13 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [UNICEF](https://appshunter.io/developer/446804206) | [Fishybear LLC](https://appshunter.io/developer/386484263) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-report/id1598072043)

**Features:** Vision Pro support

**In-app purchases:** none


### Wave

[App page](https://appshunter.io/ios/app/wave-world-wave-experiment/id6738284366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Wave free?

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

### Do U or Wave have ads?

Neither U nor Wave shows ads.

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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.*