# ChatNPU vs Onyx

The clearest difference is ads: ChatNPU at none against Onyx's shown. ChatNPU also leads on iOS requirement (16.0 vs 18.0). On price, in-app purchases and device support 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 | ChatNPU | Onyx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | — |
| Size | 3 MB | 29 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RBN SPC LTD](https://appshunter.io/developer/1865350457) | [David Azancot](https://appshunter.io/developer/507868249) |

## What reviewers say

### ChatNPU

[App page](https://appshunter.io/ios/app/chatnpu/id6761174172)

**In-app purchases:** none


### Onyx

[App page](https://appshunter.io/ios/app/onyx-private-ai-chat/id6770044762)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatNPU free?

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

### Is Onyx free?

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

### Do ChatNPU or Onyx have ads?

Onyx shows ads; ChatNPU does not.

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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.*