# Nottu vs AI in a Shell

The clearest difference is in-app purchases: AI in a Shell at none against Nottu's 3. Nottu's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Nottu sells 3 in-app purchases, starting at $9.99 per month. AI in a Shell asks for nothing beyond the download.

## The numbers

| Metric | Nottu | AI in a Shell |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 98 MB | 76 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Rupinder Singh](https://appshunter.io/developer/1827216529) | [Johannes Hayer](https://appshunter.io/developer/1860088369) |

## What reviewers say

### Nottu

[App page](https://appshunter.io/ios/app/nottu/id6748740430)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark | $9.99 | per month |
| Edge | $29.99 | per month |
| Genius | $59.99 | per month |


### AI in a Shell

[App page](https://appshunter.io/ios/app/ai-in-a-shell/id6759448227)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nottu free?

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

### Is AI in a Shell free?

AI in a Shell is free to download, with no in-app purchases.

### Do Nottu or AI in a Shell have ads?

Neither Nottu nor AI in a Shell shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*