# Sudoku Pro vs Untangle Master

The clearest difference is ads: Sudoku Pro at none against Untangle Master's shown. Sudoku Pro also leads on iOS requirement (13.0 vs 15.0). Untangle Master's advantage is update cadence (weekly vs every 3 weeks). On price, 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.

Sudoku Pro ships an update every 3 weeks, Untangle Master weekly. Both last shipped on September 17, 2026.

## The numbers

| Metric | Sudoku Pro | Untangle Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 29 MB | 298 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rıdvan OZCAN](https://appshunter.io/developer/1780849601) | [SKEB STUDIOS](https://appshunter.io/developer/1764121833) |

## What reviewers say

### Sudoku Pro

[App page](https://appshunter.io/ios/app/sudoku-pro-endless/id6755895627)

**Features:** macOS Compatibility

**In-app purchases:** none


### Untangle Master

[App page](https://appshunter.io/ios/app/untangle-master/id6757194227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Pro free?

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

### Is Untangle Master free?

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

### Do Sudoku Pro or Untangle Master have ads?

Untangle Master shows ads; Sudoku Pro does not.

### Which is updated more often, Sudoku Pro or Untangle Master?

Sudoku Pro ships an update every 3 weeks, and Untangle Master weekly. Most recently, Sudoku Pro was updated on September 17, 2026 and Untangle Master on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*