# Sool vs Brain Matrix

The clearest difference is iOS requirement: Brain Matrix at 13.0 against Sool's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sool ships an update every 2 months, Brain Matrix every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sool | Brain Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 4 MB | 23 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Umit UZ](https://appshunter.io/developer/1842858860) | [Richard Ihezie](https://appshunter.io/developer/1871307784) |

## What reviewers say

### Sool

[App page](https://appshunter.io/ios/app/sool-quick-mathematic-trainer/id6756207263)

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

**In-app purchases:** none


### Brain Matrix

[App page](https://appshunter.io/ios/app/brain-matrix-brain-trainer/id6758169224)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sool free?

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

### Is Brain Matrix free?

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

### Do Sool or Brain Matrix have ads?

Neither Sool nor Brain Matrix shows ads.

### Which is updated more often, Sool or Brain Matrix?

Sool ships an update every 2 months, and Brain Matrix every 3 months. Most recently, Sool was updated on October 24, 2026 and Brain Matrix on October 25, 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.*