# EnjoyNumberMemory vs Dual N

The clearest difference is in-app purchases: EnjoyNumberMemory at none against Dual N's 1. EnjoyNumberMemory also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Dual N sells 1 one-off in-app purchase. EnjoyNumberMemory asks for nothing beyond the download.

## The numbers

| Metric | EnjoyNumberMemory | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Size | 14 MB | 13 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yuta itsukage](https://appshunter.io/developer/1666140618) | [Takanori Horitsu](https://appshunter.io/developer/1896386009) |

## 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

[App page](https://appshunter.io/ios/app/dual-n-back-brain-trainer/id6767109556)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $0.99 | one-time |


## Frequently asked questions

### Is EnjoyNumberMemory free?

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

### Is Dual N free?

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

### Do EnjoyNumberMemory or Dual N have ads?

Dual N shows ads; EnjoyNumberMemory does not.

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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.*