# Fox Reader vs Whio

The clearest difference is update cadence: Whio at every 10 days against Fox Reader's every 5 weeks. Fox Reader's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Fox Reader sells 3 in-app purchases, starting at $4.99 per month and Whio sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Fox Reader against 5.0 for Whio. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Fox Reader ships an update every 5 weeks, Whio every 10 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Fox Reader | Whio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/fox-reader-ai-audiobook-maker/id6761392204/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/whio-epub-and-pdf-reader/id6813818431/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 390 MB | 42 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Salman Ahmad](https://appshunter.io/developer/1889302487) | [Nil Coalescing Limited](https://appshunter.io/developer/1534370488) |

## 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 |


### Whio

[App page](https://appshunter.io/ios/app/whio-epub-and-pdf-reader/id6813818431)

This app is designed for reading technical books and code on iOS devices. It offers specialized features for code readability, customizable text and code styling, and helpful reading aids. Users can also highlight, take notes, and export their saved content.

**Highlights:** Code syntax highlighting, Independent text and code styling, Customizable themes, Reading aids (letter distinction, guide, focus window), Highlighting and note-taking, Export saved content, Import DRM-free EPUBs and PDFs

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $0.99 | per 7 days |
| Unlimited | $24.99 | per year |
| Lifetime Unlimited | $49.99 | one-time |


## Frequently asked questions

### Is Fox Reader free?

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

### Is Whio free?

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

### Which has better reviews, Fox Reader or Whio?

Fox Reader and Whio are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Fox Reader or Whio have ads?

Neither Fox Reader nor Whio shows ads.

### Which is updated more often, Fox Reader or Whio?

Fox Reader ships an update every 5 weeks, and Whio every 10 days. Most recently, Fox Reader was updated on October 31, 2026 and Whio on November 6, 2026.

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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.*