# Memory Matrix vs GridFlash

The clearest difference is iOS requirement: Memory Matrix at 13.0 against GridFlash's 15.1. On price, ads, 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.

## The numbers

| Metric | Memory Matrix | GridFlash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 8 days |
| Size | 24 MB | 14 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Mustafa Dogukan Kayhan](https://appshunter.io/developer/1818431194) | [Jarrod Faucher](https://appshunter.io/developer/1889061331) |

## What reviewers say

### Memory Matrix

[App page](https://appshunter.io/ios/app/memory-matrix-brain-training/id6759167668)

**Features:** macOS Compatibility

**In-app purchases:** none


### GridFlash

[App page](https://appshunter.io/ios/app/gridflash/id6761349791)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memory Matrix free?

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

### Is GridFlash free?

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

### Do Memory Matrix or GridFlash have ads?

Neither Memory Matrix nor GridFlash shows ads.

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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.*