# Sudoku by Skillkeep vs Mirror Runners

The clearest difference is in-app purchases: Sudoku by Skillkeep at none against Mirror Runners's 1. Sudoku by Skillkeep also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Mirror Runners's advantage is update cadence (every 11 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Mirror Runners sells 1 one-off in-app purchase. Sudoku by Skillkeep asks for nothing beyond the download.

Sudoku by Skillkeep ships an update monthly, Mirror Runners every 11 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sudoku by Skillkeep | Mirror Runners |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 11 days** |
| Size | 19 MB | 33 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bitsational](https://appshunter.io/developer/1771805404) | [Tom Maier](https://appshunter.io/developer/1719087267) |

## What reviewers say

### Sudoku by Skillkeep

[App page](https://appshunter.io/ios/app/sudoku-by-skillkeep/id6757141424)

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

**In-app purchases:** none


### Mirror Runners

[App page](https://appshunter.io/ios/app/mirror-runners-endless-run/id6760182685)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mirror Runners Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sudoku by Skillkeep free?

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

### Is Mirror Runners free?

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

### Do Sudoku by Skillkeep or Mirror Runners have ads?

Mirror Runners shows ads; Sudoku by Skillkeep does not.

### Which is updated more often, Sudoku by Skillkeep or Mirror Runners?

Sudoku by Skillkeep ships an update monthly, and Mirror Runners every 11 days. Most recently, Sudoku by Skillkeep was updated on October 31, 2026 and Mirror Runners on November 5, 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.*