# SUDOKUSHORTS vs u

The clearest difference is price: u at Free against SUDOKUSHORTS's $1.99. u also leads on update cadence (every 3 weeks vs every 12 months). SUDOKUSHORTS's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 16.4). On ads and device support there is nothing between them.

u is free to download; SUDOKUSHORTS costs $1.99 up front. u sells 2 in-app purchases, starting at $12.99 per month. SUDOKUSHORTS asks for nothing beyond the download.

SUDOKUSHORTS ships an update every 12 months, u every 3 weeks. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SUDOKUSHORTS | u |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/u-sim/id6476834207/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 100 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Jutta Schindler](https://appshunter.io/developer/1641467475) | [Tom Fadial](https://appshunter.io/developer/1316852248) |

## What reviewers say

### SUDOKUSHORTS

[App page](https://appshunter.io/ios/app/sudokushorts/id6465895261)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SUDOKUSHORTS free?

SUDOKUSHORTS costs $1.99, with no in-app purchases.

### Is u free?

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

### Do SUDOKUSHORTS or u have ads?

Neither SUDOKUSHORTS nor u shows ads.

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

SUDOKUSHORTS ships an update every 12 months, and u every 3 weeks. Most recently, SUDOKUSHORTS was updated on September 10, 2026 and u on September 15, 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.*