# U vs Adzup

The clearest difference is iOS requirement: U at 9.0 against Adzup's 15.0. On price, update cadence, ads and in-app purchases 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, Adzup every 2 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | U | Adzup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 16 MB | 122 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Global Time Solutions](https://appshunter.io/developer/969471175) | [Tribulus Development AB](https://appshunter.io/developer/1729064386) |

## What reviewers say

### U

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Adzup

[App page](https://appshunter.io/ios/app/adzup/id6477348389)

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

**In-app purchases:** none


## Frequently asked questions

### Is U free?

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

### Is Adzup free?

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

### Do U or Adzup have ads?

Neither U nor Adzup shows ads.

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

U ships an update every 3 months, and Adzup every 2 months. Most recently, U was updated on September 10, 2026 and Adzup 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.*