# N vs N

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

Both are free to download. N sells 3 in-app purchases, starting at $3.99 per month. N asks for nothing beyond the download.

## The numbers

| Metric | N | N |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 1 MB | 6 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zeul Mordasiewicz](https://appshunter.io/developer/1878875793) | [MICHAL PAWEL SKOWRON](https://appshunter.io/developer/6792875397) |

## What reviewers say

### N

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

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

**In-app purchases:** none


### N

[App page](https://appshunter.io/ios/app/n-back-dual-n-back-training/id6792875395)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $19.99 | per year |
| Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is N free?

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

### Is N free?

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

### Do N or N have ads?

Neither N nor N 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.*