# ゆるN vs Dual N

The clearest difference is in-app purchases: ゆるN at none against Dual N's 1. ゆるN 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. ゆるN asks for nothing beyond the download.

## The numbers

| Metric | ゆるN | Dual N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 days |
| Size | 41 MB | 13 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Motohiro Fujita](https://appshunter.io/developer/1817435117) | [Takanori Horitsu](https://appshunter.io/developer/1896386009) |

## What reviewers say

### ゆるN

[App page](https://appshunter.io/ios/app/n-back/id6755930194)

**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 ゆるN free?

ゆるN 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 ゆるN or Dual N have ads?

Dual N shows ads; ゆるN 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.*