# AI vs KnowMe AI

The clearest difference is in-app purchases: KnowMe AI at none against AI's 2. AI's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. AI sells 2 in-app purchases, starting at $3.99 per month. KnowMe AI asks for nothing beyond the download.

## The numbers

| Metric | AI | KnowMe AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 33 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Yuhui Wang](https://appshunter.io/developer/1836149650) | [Xuyang Ma](https://appshunter.io/developer/6773100244) |

## What reviewers say

### AI

[App page](https://appshunter.io/ios/app/ai-astrobot/id6751778202)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $19.99 | per year |


### KnowMe AI

[App page](https://appshunter.io/ios/app/knowme-ai/id6773100242)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI free?

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

### Is KnowMe AI free?

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

### Do AI or KnowMe AI have ads?

Neither AI nor KnowMe AI 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.*