# Dual N vs Relume

The clearest difference is in-app purchases: Relume at none against Dual N's 2. Relume also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Dual N sells 2 in-app purchases, starting at $3.99 per month. Relume asks for nothing beyond the download.

## The numbers

| Metric | Dual N | Relume |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dual-n-back-memory-trainer/id6759211886/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 27 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Konstanty Koszewski](https://appshunter.io/developer/1871696981) | [开琼谋 罗](https://appshunter.io/developer/1895202008) |

## What reviewers say

### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-memory-trainer/id6759211886)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dual N-back Monthly Premium | $3.99 | per month |
| Dual N-back Yearly Premium | $29.99 | per year |


### Relume

[App page](https://appshunter.io/ios/app/relume/id6766970375)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dual N free?

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

### Is Relume free?

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

### Do Dual N or Relume have ads?

Dual N shows ads; Relume 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.*