# 64 vs Qmath

The clearest difference is in-app purchases: Qmath at none against 64's 1. Qmath also leads on iOS requirement (15.0 vs 17.6). On price there is nothing between them.

Both are free to download. 64 sells 1 one-off in-app purchase. Qmath asks for nothing beyond the download.

## The numbers

| Metric | 64 | Qmath |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 23 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [serdar coskun](https://appshunter.io/developer/431851115) | [Musa Guzel](https://appshunter.io/developer/1645907452) |

## What reviewers say

### 64

[App page](https://appshunter.io/ios/app/64-memory-number-game/id1116388693)

Challenge your brain with a difficult memory game. Memorize numbers within seconds and then reveal them in the correct order to progress through increasingly challenging levels. This game aims to improve focus, short-term memory, and overall cognitive performance.

**Highlights:** Challenging memory game, Brain training exercises, Improves focus and memory, Increasing difficulty levels, Competitive gameplay, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad free version | $0.99 | one-time |


### Qmath

[App page](https://appshunter.io/ios/app/qmath/id6444707024)

**In-app purchases:** none


## Frequently asked questions

### Is 64 free?

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

### Is Qmath free?

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

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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.*