# Cortex vs OffNote AI

The clearest difference is device support: Cortex at 2 against OffNote AI's —. OffNote AI's advantage is iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Cortex | OffNote AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Size | 7 MB | 58 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Pratik Poudel](https://appshunter.io/developer/1789053079) | [Wonbin Kim](https://appshunter.io/developer/1871184652) |

## What reviewers say

### Cortex

[App page](https://appshunter.io/ios/app/cortex-private-ai-assistant/id6759742402)

**Features:** macOS Compatibility

**In-app purchases:** none


### OffNote AI

[App page](https://appshunter.io/ios/app/offnote-ai/id6762131607)

**In-app purchases:** none


## Frequently asked questions

### Is Cortex free?

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

### Is OffNote AI free?

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

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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.*