# U2D VOS 3 vs GATEWatch Server

The clearest difference is update cadence: GATEWatch Server at every 4 weeks against U2D VOS 3's every 11 months. U2D VOS 3's advantage is iOS requirement (10.0 vs 15.6). 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.

U2D VOS 3 ships an update every 11 months, GATEWatch Server every 4 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | U2D VOS 3 | GATEWatch Server |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 weeks** |
| Size | 8 MB | 24 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [up2date solutions GmbH](https://appshunter.io/developer/1055397154) | [Volker Lehnen](https://appshunter.io/developer/1528760360) |

## What reviewers say

### U2D VOS 3

[App page](https://appshunter.io/ios/app/u2d-vos-3/id1510986464)

**Features:** macOS Compatibility

**In-app purchases:** none


### GATEWatch Server

[App page](https://appshunter.io/ios/app/gatewatch-server/id1577530184)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is U2D VOS 3 free?

U2D VOS 3 is free to download, with no in-app purchases.

### Is GATEWatch Server free?

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

### Do U2D VOS 3 or GATEWatch Server have ads?

Neither U2D VOS 3 nor GATEWatch Server shows ads.

### Which is updated more often, U2D VOS 3 or GATEWatch Server?

U2D VOS 3 ships an update every 11 months, and GATEWatch Server every 4 weeks. Most recently, U2D VOS 3 was updated on October 2, 2026 and GATEWatch Server on October 2, 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.*