# U2D VOS vs Mach!

The clearest difference is update cadence: Mach! at every 3 weeks against U2D VOS's every 3 months. U2D VOS's advantage is iOS requirement (15.0 vs 17.0). 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 ships an update every 3 months, Mach! every 3 weeks. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | U2D VOS | Mach! |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 65 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [up2date solutions GmbH](https://appshunter.io/developer/1055397154) | [Charly Schulte](https://appshunter.io/developer/1364661802) |

## What reviewers say

### U2D VOS

[App page](https://appshunter.io/ios/app/u2d-vos-client/id1097794495)

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

**In-app purchases:** none


### Mach!

[App page](https://appshunter.io/ios/app/mach/id1542455280)

This app facilitates quick and easy information sharing for events. Create projects to store event details like schedules and crew lists, then generate codes for employees to access this information. It also allows for real-time updates and push notifications for changes.

**Highlights:** Create event projects, Store schedules and crew lists, Generate access codes for employees, Real-time information updates, Push notifications for changes, Role-based group access

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

**In-app purchases:** none


## Frequently asked questions

### Is U2D VOS free?

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

### Is Mach! free?

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

### Do U2D VOS or Mach! have ads?

Neither U2D VOS nor Mach! shows ads.

### Which is updated more often, U2D VOS or Mach!?

U2D VOS ships an update every 3 months, and Mach! every 3 weeks. Most recently, U2D VOS was updated on October 31, 2026 and Mach! on November 3, 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.*