# CosmoApp vs oneS

The clearest difference is update cadence: oneS at every 3 weeks against CosmoApp's every 6 weeks. CosmoApp's advantage is iOS requirement (16.6 vs 18.6). 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.

CosmoApp ships an update every 6 weeks, oneS every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CosmoApp | oneS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 47 MB | 0 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Coldline s.r.l.](https://appshunter.io/developer/1471869900) | [Seno & Seno S.p.A.](https://appshunter.io/developer/1665476203) |

## What reviewers say

### CosmoApp

[App page](https://appshunter.io/ios/app/cosmoapp/id1473564286)

**In-app purchases:** none


### oneS

[App page](https://appshunter.io/ios/app/ones/id6757755593)

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

**In-app purchases:** none


## Frequently asked questions

### Is CosmoApp free?

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

### Is oneS free?

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

### Do CosmoApp or oneS have ads?

Neither CosmoApp nor oneS shows ads.

### Which is updated more often, CosmoApp or oneS?

CosmoApp ships an update every 6 weeks, and oneS every 3 weeks. Most recently, CosmoApp was updated on October 24, 2026 and oneS on October 16, 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.*