# Fox Reader vs Theodore AI

The clearest difference is in-app purchases: Theodore AI at none against Fox Reader's 3. Theodore AI also leads on iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Fox Reader sells 3 in-app purchases, starting at $4.99 per month. Theodore AI asks for nothing beyond the download.

## The numbers

| Metric | Fox Reader | Theodore AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fox-reader-ai-audiobook-maker/id6761392204/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 390 MB | 57 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Salman Ahmad](https://appshunter.io/developer/1889302487) | [Benjamin Brynildsen](https://appshunter.io/developer/1484123813) |

## What reviewers say

### Fox Reader

[App page](https://appshunter.io/ios/app/fox-reader-ai-audiobook-maker/id6761392204)

Transform your personal library into lifelike audiobooks with on-device AI narration. Read along word-by-word, get instant chapter summaries, and track your reading habits. All your books and notes stay private on your device.

**Highlights:** On-device AI audiobook narration, Offline listening, Word-by-word synchronized reading, AI chapter summaries, Customizable reading themes and fonts, Highlighting, notes, and vocabulary builder, Reading progress tracking and goal setting, Automatic library organization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly Discounted | $11.99 | per year |
| Yearly | $29.99 | per year |


### 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 Fox Reader free?

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

### Is Theodore AI free?

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

### Do Fox Reader or Theodore AI have ads?

Neither Fox Reader 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.*