# Dual N vs MindBuilding

The clearest difference is iOS requirement: Dual N at 16.6 against MindBuilding's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Dual N sells 4 in-app purchases, starting at $2.99 per 7 days and MindBuilding sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Dual N ships an update every 5 days, MindBuilding weekly. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Dual N | MindBuilding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (19 ratings)](https://appshunter.io/ios/app/dual-n-back-ultimate/id6752545551/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | — |
| Size | 75 MB | 85 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Neurolance LLC](https://appshunter.io/developer/1839797284) | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) |

## What reviewers say

### Dual N

[App page](https://appshunter.io/ios/app/dual-n-back-ultimate/id6752545551)

Enhance cognitive abilities with a brain training app that utilizes the scientifically proven dual n-back method. It offers multi-dimensional challenges, customizable settings, and gamified motivation to boost working memory and fluid intelligence.

**Highlights:** Multi-dimensional stimuli training, Customizable game settings, Gamified motivation and leaderboards, Interactive tutorial, Detailed progress tracking, Support for 20 languages

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $59.99 | one-time |


### MindBuilding

[App page](https://appshunter.io/ios/app/mindbuilding-brain-training/id6815573171)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindBuilding Pro — Weekly | $4.99 | per 7 days |
| MindBuilding Pro — Yearly | $29.99 | per year |
| MindBuilding Pro — Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Dual N free?

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

### Is MindBuilding free?

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

### Do Dual N or MindBuilding have ads?

Neither Dual N nor MindBuilding shows ads.

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

Dual N ships an update every 5 days, and MindBuilding weekly. Most recently, Dual N was updated on November 8, 2026 and MindBuilding on November 7, 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.*