# U vs CREWZONE

The clearest difference is update cadence: CREWZONE at every 3 weeks against U's every 3 months. U's advantage is iOS requirement (9.0 vs 15.0). 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.

U ships an update every 3 months, CREWZONE every 3 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | U | CREWZONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 16 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Global Time Solutions](https://appshunter.io/developer/969471175) | [CREWZONE GmbH](https://appshunter.io/developer/1611266544) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-time/id948856401)

**Features:** macOS Compatibility

**In-app purchases:** none


### CREWZONE

[App page](https://appshunter.io/ios/app/crewzone/id1643674698)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is CREWZONE free?

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

### Do U or CREWZONE have ads?

Neither U nor CREWZONE shows ads.

### Which is updated more often, U or CREWZONE?

U ships an update every 3 months, and CREWZONE every 3 weeks. Most recently, U was updated on September 10, 2026 and CREWZONE on September 18, 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.*