# AI vs Ai_Engineering

The clearest difference is iOS requirement: AI at 15.1 against Ai_Engineering's 17.0. On price, ads, 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 | AI | Ai_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 28 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [FaireNow](https://appshunter.io/developer/1796243447) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-stack/id6745105335)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai_Engineering

[App page](https://appshunter.io/ios/app/ai-engineering/id6789624272)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AI free?

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

### Is Ai_Engineering free?

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

### Do AI or Ai_Engineering have ads?

Neither AI nor Ai_Engineering 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.*