# IRIS · Eye Rest Timer vs Birta

The clearest difference is in-app purchases: IRIS · Eye Rest Timer at none against Birta's 2. IRIS · Eye Rest Timer also leads on update cadence (every 2 days vs every 6 weeks). Birta's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Birta sells 2 in-app purchases, starting at $7.99 per 7 days. IRIS · Eye Rest Timer asks for nothing beyond the download.

IRIS · Eye Rest Timer ships an update every 2 days, Birta every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | IRIS · Eye Rest Timer | Birta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Size | 3 MB | 25 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [OMER UNSAL](https://appshunter.io/developer/1875042768) | [Kalash Shah](https://appshunter.io/developer/1806007936) |

## 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


### Birta

[App page](https://appshunter.io/ios/app/birta-the-eye-care-app/id6772776563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is IRIS · Eye Rest Timer free?

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

### Is Birta free?

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

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

Neither IRIS · Eye Rest Timer nor Birta shows ads.

### Which is updated more often, IRIS · Eye Rest Timer or Birta?

IRIS · Eye Rest Timer ships an update every 2 days, and Birta every 6 weeks. Most recently, IRIS · Eye Rest Timer was updated on October 31, 2026 and Birta on October 31, 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.*