# Dual N vs N

The clearest difference is in-app purchases: N at none against Dual N's 7. Dual N's advantage is update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dual N sells 5 in-app purchases, starting at $1.99 per month. N asks for nothing beyond the download.

Dual N ships an update every 6 days, N fortnightly. The most recent releases landed on September 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Dual N | N |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/dual-n-back-extreme/id6744034751/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jatin Thakur](https://appshunter.io/developer/1805656547) | [Zeul Mordasiewicz](https://appshunter.io/developer/1878875793) |

## What reviewers say

### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-extreme/id6744034751)

This app offers brain-training exercises to enhance working memory, concentration, and problem-solving skills. It features multiple N-back modes, progress tracking, and customizable sessions in a user-friendly interface.

**Highlights:** Dual, Triple & Quad N-Back modes, Cognitive performance enhancement, Progress tracking and statistics, Customizable training sessions, User-friendly interface

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| N Back Extreme Monthly Subscription | $4.99 | per month |
| Six Months | $4.99 | per 6 months |
| 6 Months | $4.99 | per 6 months |
| N Back Extreme Yearly Subscription | $29.99 | per year |


### N

[App page](https://appshunter.io/ios/app/n-back-math/id6769662439)

**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 N free?

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

### Do Dual N or N have ads?

Neither Dual N nor N shows ads.

### Which is updated more often, Dual N or N?

Dual N ships an update every 6 days, and N fortnightly. Most recently, Dual N was updated on September 26, 2026 and N on October 4, 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.*