# u vs ZeBro

The clearest difference is in-app purchases: ZeBro at none against u's 2. u's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. u sells 2 in-app purchases, starting at $12.99 per month. ZeBro asks for nothing beyond the download.

u ships an update every 3 weeks, ZeBro every 3 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | u | ZeBro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u-sim/id6476834207/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 100 MB | 566 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Tom Fadial](https://appshunter.io/developer/1316852248) | [Georg Riepe](https://appshunter.io/developer/1877969178) |

## What reviewers say

### u

[App page](https://appshunter.io/ios/app/u-sim/id6476834207)

Engage in dynamic medical simulations powered by AI. Input a complaint or topic to generate a realistic patient scenario. Practice diagnostic and treatment skills with interactive feedback and learning resources.

**Highlights:** AI-generated dynamic simulation scenarios, Interactive patient case progression, Request diagnostic tests and consultations, Detailed feedback and learning points, On-demand medical training

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.99 | per month |
| 20 Pack | $29.99 | one-time |


### ZeBro

[App page](https://appshunter.io/ios/app/zebro/id6759303652)

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

**In-app purchases:** none


## Frequently asked questions

### Is u free?

u is free to download, with in-app purchases available.

### Is ZeBro free?

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

### Do u or ZeBro have ads?

Neither u nor ZeBro shows ads.

### Which is updated more often, u or ZeBro?

u ships an update every 3 weeks, and ZeBro every 3 months. Most recently, u was updated on October 2, 2026 and ZeBro on October 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.*