# EnjoyNumberMemory vs Dual N Back

The clearest difference is iOS requirement: EnjoyNumberMemory at 15.1 against Dual N Back's 17.0. 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 | EnjoyNumberMemory | Dual N Back |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 14 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yuta itsukage](https://appshunter.io/developer/1666140618) | [Yuta Hirose](https://appshunter.io/developer/1896426121) |

## What reviewers say

### EnjoyNumberMemory

[App page](https://appshunter.io/ios/app/enjoynumbermemory/id6758234941)

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

**In-app purchases:** none


### Dual N Back

[App page](https://appshunter.io/ios/app/dual-n-back/id6767213239)

**In-app purchases:** none


## Frequently asked questions

### Is EnjoyNumberMemory free?

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

### Is Dual N Back free?

Dual N Back is free to download, with no in-app purchases.

### Do EnjoyNumberMemory or Dual N Back have ads?

Neither EnjoyNumberMemory nor Dual N Back 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.*