# Book App Pro vs Theodore AI

The clearest difference is iOS requirement: Book App Pro at 12.0 against Theodore AI's 15.1. 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 | Book App Pro | Theodore AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 61 MB | 57 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shai Spetgang](https://appshunter.io/developer/1016286298) | [Benjamin Brynildsen](https://appshunter.io/developer/1484123813) |

## What reviewers say

### Book App Pro

[App page](https://appshunter.io/ios/app/book-app-pro/id6670768343)

**Features:** macOS Compatibility

**In-app purchases:** none


### Theodore AI

[App page](https://appshunter.io/ios/app/theodore-ai/id6762391179)

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

**In-app purchases:** none


## Frequently asked questions

### Is Book App Pro free?

Book App Pro is free to download, with no in-app purchases.

### Is Theodore AI free?

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

### Do Book App Pro or Theodore AI have ads?

Neither Book App Pro nor Theodore 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.*