# Fox Reader vs KO Reader

The clearest difference is price: Fox Reader at Free against KO Reader's $3.99. Fox Reader also leads on rating (5.0 vs 3.7). KO Reader's advantage is in-app purchases (none vs 3) and chart position (#7 vs unranked). On ratings volume, ads and device support there is nothing between them.

Fox Reader is free to download; KO Reader costs $3.99 up front. Fox Reader sells 3 in-app purchases, starting at $4.99 per month. KO Reader asks for nothing beyond the download.

Fox Reader holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

## The numbers

| Metric | Fox Reader | KO Reader |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fox-reader-ai-audiobook-maker/id6761392204/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/ko-reader/id6761862109/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#7** |
| Size | 390 MB | 26 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Salman Ahmad](https://appshunter.io/developer/1889302487) | [James Carrell II](https://appshunter.io/developer/1891816764) |

## 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 |


### KO Reader

[App page](https://appshunter.io/ios/app/ko-reader/id6761862109)

**Currently charting:** #7 Top Paid · Book (US App Store)

This app transforms web articles, ebooks, and PDFs into natural-sounding speech using on-device AI. Enjoy private, offline listening with customizable voices and playback speeds. Export audio for later or read anywhere without an internet connection.

**Highlights:** On-device text-to-speech, Supports web articles, EPUB, PDF, and plain text, 53 neural voices in 9 languages, Customizable playback speed, Audio export to m4a/m4b, Offline functionality, Privacy-focused, no tracking

**In-app purchases:** none


## Frequently asked questions

### Is Fox Reader free?

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

### Is KO Reader free?

KO Reader costs $3.99, with no in-app purchases.

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

Fox Reader is rated higher. Fox Reader averages 5.0 out of 5 from 3 ratings, while KO Reader averages 3.7 from 3 ratings.

### Do Fox Reader or KO Reader have ads?

Neither Fox Reader nor KO Reader 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.*