# IRIS · Eye Rest Timer vs 20

The clearest difference is device support: 20 at 4 against IRIS · Eye Rest Timer's 2. 20 also leads on iOS requirement (13.0 vs 26.0). 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 | IRIS · Eye Rest Timer | 20 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 3 MB | 23 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [OMER UNSAL](https://appshunter.io/developer/1875042768) | [Arkar Min Thant](https://appshunter.io/developer/1762607630) |

## What reviewers say

### IRIS · Eye Rest Timer

[App page](https://appshunter.io/ios/app/iris-eye-rest-timer/id6762226541)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 20

[App page](https://appshunter.io/ios/app/20-20-20-eye-rest-break-timer/id6793152934)

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

**In-app purchases:** none


## Frequently asked questions

### Is IRIS · Eye Rest Timer free?

IRIS · Eye Rest Timer is free to download, with no in-app purchases.

### Is 20 free?

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

### Do IRIS · Eye Rest Timer or 20 have ads?

Neither IRIS · Eye Rest Timer nor 20 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.*