# O2Care vs Salien

The clearest difference is update cadence: O2Care at weekly against Salien's every 2 weeks. O2Care also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

O2Care ships an update weekly, Salien every 2 weeks. The most recent releases landed on September 16, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | O2Care | Salien |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 43 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Greymore Tech](https://appshunter.io/developer/1547388766) | [Avaniko Technologies](https://appshunter.io/developer/1410775545) |

## What reviewers say

### O2Care

[App page](https://appshunter.io/ios/app/o2care/id1597697368)

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

**In-app purchases:** none


### Salien

[App page](https://appshunter.io/ios/app/salien/id6747334451)

**In-app purchases:** none


## Frequently asked questions

### Is O2Care free?

O2Care is free to download, with no in-app purchases.

### Is Salien free?

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

### Do O2Care or Salien have ads?

Neither O2Care nor Salien shows ads.

### Which is updated more often, O2Care or Salien?

O2Care ships an update weekly, and Salien every 2 weeks. Most recently, O2Care was updated on September 16, 2026 and Salien on August 15, 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.*