# Knowra vs AI

The clearest difference is in-app purchases: Knowra at none against AI's 3. AI's advantage is iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. AI sells 3 in-app purchases, starting at $7.99 per month. Knowra asks for nothing beyond the download.

## The numbers

| Metric | Knowra | AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Size | 9 MB | 47 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LE ANH TUAN](https://appshunter.io/developer/1857237273) | [Samuel Jesse](https://appshunter.io/developer/6804560650) |

## What reviewers say

### Knowra

[App page](https://appshunter.io/ios/app/knowra-learn-without-trying/id6762287107)

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

**In-app purchases:** none


### AI

[App page](https://appshunter.io/ios/app/ai-assisted-learning-tutor/id6804560648)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LoWisa Starter | $7.99 | per month |
| LoWisa Plus | $12.99 | per month |
| 500 Tutor Credits | $5.00 | one-time |


## Frequently asked questions

### Is Knowra free?

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

### Is AI free?

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

### Do Knowra or AI have ads?

Neither Knowra nor 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.*