# N vs ATC Clearance AI

The clearest difference is in-app purchases: N at none against ATC Clearance AI's 3. ATC Clearance AI's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ATC Clearance AI sells 3 in-app purchases, starting at $29.00 per month. N asks for nothing beyond the download.

## The numbers

| Metric | N | ATC Clearance AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 1 MB | 9 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zeul Mordasiewicz](https://appshunter.io/developer/1878875793) | [Joseph Mattison](https://appshunter.io/developer/1895768100) |

## 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


### ATC Clearance AI

[App page](https://appshunter.io/ios/app/atc-clearance-ai/id6775077464)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ATC Clearance AI Monthly | $29.00 | per month |
| ATC Clearance Trainer 6 Months | $99.00 | per 6 months |
| ATC Clearance Trainer Annual | $169.00 | per year |


## Frequently asked questions

### Is N free?

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

### Is ATC Clearance AI free?

ATC Clearance AI is free to download, with in-app purchases available.

### Do N or ATC Clearance AI have ads?

Neither N nor ATC Clearance AI 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.*