# KO Reader vs Audia

The clearest difference is price: Audia at Free against KO Reader's $3.99. Audia also leads on rating (5.0 vs 3.7) and review sentiment (100% vs 67%). KO Reader's advantage is chart position (#8 vs unranked) and ratings volume (3 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Audia is free to download; KO Reader costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audia holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 67% of KO Reader's written reviews are positive against 100% of Audia's.

## The numbers

| Metric | KO Reader | Audia |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/ko-reader/id6761862109/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audia-text-to-speech-reader/id6796007521/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#8** | — |
| Size | 26 MB | 246 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [James Carrell II](https://appshunter.io/developer/1891816764) | [Leopoldo Manuel Romacho](https://appshunter.io/developer/921376514) |

## What reviewers say

### KO Reader

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

**Currently charting:** #8 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


### Audia

[App page](https://appshunter.io/ios/app/audia-text-to-speech-reader/id6796007521)

Listen to your documents, books, and articles with natural-sounding voices. Customize reading speed, pronunciation, and use a sleep timer. Import various file formats and read offline.

**Highlights:** Natural neural voices, Adjustable reading speed, Customizable pronunciation, Sleep timer, Offline reading, Import various file formats, Library organization

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

**In-app purchases:** none


## Frequently asked questions

### Is KO Reader free?

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

### Is Audia free?

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

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

Audia is rated higher. KO Reader averages 3.7 out of 5 from 3 ratings, while Audia averages 5.0 from 1 ratings.

### Do KO Reader or Audia have ads?

Neither KO Reader nor Audia 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.*