# RandomNumga vs Brain Sudoku

The clearest difference is in-app purchases: RandomNumga at none against Brain Sudoku's 1. Brain Sudoku's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Brain Sudoku sells 1 in-app purchase, starting at $0.99 per month. RandomNumga asks for nothing beyond the download.

RandomNumga ships an update fortnightly, Brain Sudoku every 3 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | RandomNumga | Brain Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 7 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Hafner](https://appshunter.io/developer/1625319412) | [Miti Teerasuwan](https://appshunter.io/developer/1888789547) |

## What reviewers say

### RandomNumga

[App page](https://appshunter.io/ios/app/randomnumga/id1628995194)

**In-app purchases:** none


### Brain Sudoku

[App page](https://appshunter.io/ios/app/brain-sudoku-mind-trainer/id6761324273)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brain Sudoku Pro | $0.99 | per month |


## Frequently asked questions

### Is RandomNumga free?

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

### Is Brain Sudoku free?

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

### Do RandomNumga or Brain Sudoku have ads?

Neither RandomNumga nor Brain Sudoku shows ads.

### Which is updated more often, RandomNumga or Brain Sudoku?

RandomNumga ships an update fortnightly, and Brain Sudoku every 3 days. Most recently, RandomNumga was updated on October 13, 2026 and Brain Sudoku on October 6, 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.*