# AI vs Define

The clearest difference is device support: Define at 3 against AI's 1. AI's advantage is iOS requirement (16.6 vs 26.0). On price, ads 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 | AI | Define |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Size | 15 MB | 10 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Wei Wei](https://appshunter.io/developer/1811675152) | [Virtual GS](https://appshunter.io/developer/302652687) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-powered-dictionary/id6745302687)

**In-app purchases:** none


### Define

[App page](https://appshunter.io/ios/app/define-ai-dictionary/id6752530634)

**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 Define free?

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

### Do AI or Define have ads?

Neither AI nor Define 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.*