# OneOS vs EAG Expo

OneOS and EAG Expo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

OneOS ships an update monthly, EAG Expo every 2 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | OneOS | EAG Expo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 41 MB | 22 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VMA Systems](https://appshunter.io/developer/1476246754) | [Sitka Ltd](https://appshunter.io/developer/1677328749) |

## What reviewers say

### OneOS

[App page](https://appshunter.io/ios/app/oneos/id6670173125)

**In-app purchases:** none


### EAG Expo

[App page](https://appshunter.io/ios/app/eag-expo/id6747511640)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneOS free?

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

### Is EAG Expo free?

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

### Do OneOS or EAG Expo have ads?

Neither OneOS nor EAG Expo shows ads.

### Which is updated more often, OneOS or EAG Expo?

OneOS ships an update monthly, and EAG Expo every 2 months. Most recently, OneOS was updated on September 21, 2026 and EAG Expo on September 21, 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.*