# 64 vs Number Memory

The clearest difference is in-app purchases: Number Memory at none against 64's 1. Number Memory also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). 64's advantage is ads (none vs shown). On price there is nothing between them.

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

64 ships an update every 3 months, Number Memory weekly. The most recent releases landed on October 7, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 64 | Number Memory |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 27 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [serdar coskun](https://appshunter.io/developer/431851115) | [Iclal KABATAS](https://appshunter.io/developer/1896019931) |

## 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 |


### Number Memory

[App page](https://appshunter.io/ios/app/number-memory-brain-age-test/id6770123794)

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

**In-app purchases:** none


## Frequently asked questions

### Is 64 free?

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

### Is Number Memory free?

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

### Do 64 or Number Memory have ads?

Number Memory shows ads; 64 does not.

### Which is updated more often, 64 or Number Memory?

64 ships an update every 3 months, and Number Memory weekly. Most recently, 64 was updated on October 7, 2026 and Number Memory on October 20, 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.*