# Dual N Back vs MindBuilding

The clearest difference is in-app purchases: Dual N Back at none against MindBuilding's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MindBuilding sells 3 in-app purchases, starting at $4.99 per 7 days. Dual N Back asks for nothing beyond the download.

## The numbers

| Metric | Dual N Back | MindBuilding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 1 MB | 85 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yuta Hirose](https://appshunter.io/developer/1896426121) | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) |

## What reviewers say

### Dual N Back

[App page](https://appshunter.io/ios/app/dual-n-back/id6767213239)

**In-app purchases:** none


### 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 Back free?

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

### Is MindBuilding free?

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

### Do Dual N Back or MindBuilding have ads?

Neither Dual N Back nor MindBuilding shows ads.

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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.*