# iTutor vs Biology AI

The clearest difference is in-app purchases: iTutor at none against Biology AI's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Biology AI sells 2 in-app purchases, starting at $6.99 per 7 days. iTutor asks for nothing beyond the download.

## The numbers

| Metric | iTutor | Biology AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 80 MB | 51 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phu Cuong Nguyen](https://appshunter.io/developer/6776313375) | [Tianjin Illuso Information Technology Co., Ltd.](https://appshunter.io/developer/1864792206) |

## What reviewers say

### iTutor

[App page](https://appshunter.io/ios/app/itutor-ai-tutor/id6779886625)

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

**In-app purchases:** none


### Biology AI

[App page](https://appshunter.io/ios/app/biology-ai-study-tutor/id6790741018)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $6.99 | per 7 days |
| Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is iTutor free?

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

### Is Biology AI free?

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

### Do iTutor or Biology AI have ads?

Neither iTutor nor Biology 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.*