# U4 vs Well/One

The clearest difference is update cadence: Well/One at every 6 weeks against U4's every 3 months. Well/One also leads on iOS requirement (13.0 vs 15.1). 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.

U4 ships an update every 3 months, Well/One every 6 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | U4 | Well/One |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 45 MB | 76 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [U4-Center Diskothek Betriebs GmbH](https://appshunter.io/developer/1470946325) | [Fitness Nation GmbH](https://appshunter.io/developer/654456073) |

## What reviewers say

### U4

[App page](https://appshunter.io/ios/app/u4/id1470946326)

This loyalty program app allows users to earn points through various activities like scanning cards, inviting friends, or social media engagement. Redeem these points for rewards, exclusive offers, and participate in contests. Stay updated on events and news.

**Highlights:** Earn points through activities, Redeem points for rewards, Access exclusive offers, Participate in contests, Stay updated on events and news, Simple login with Facebook or email

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

**In-app purchases:** none


### Well/One

[App page](https://appshunter.io/ios/app/wellone/id1615107963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U4 free?

U4 is free to download, with no in-app purchases.

### Is Well/One free?

Well/One is free to download, with no in-app purchases.

### Do U4 or Well/One have ads?

Neither U4 nor Well/One shows ads.

### Which is updated more often, U4 or Well/One?

U4 ships an update every 3 months, and Well/One every 6 weeks. Most recently, U4 was updated on October 14, 2026 and Well/One on October 10, 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.*