# PureLibro vs KOOBONE

The clearest difference is in-app purchases: KOOBONE at none against PureLibro's 6. KOOBONE also leads on rating (5.0 vs 4.6). PureLibro's advantage is ratings volume (362 vs 2) and update cadence (every 10 days vs every 3 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. PureLibro sells 6 in-app purchases, starting at $0.99 per month. KOOBONE asks for nothing beyond the download.

KOOBONE holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PureLibro has 362 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 77% and 77% positive.

PureLibro ships an update every 10 days, KOOBONE every 3 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PureLibro | KOOBONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (362 ratings)](https://appshunter.io/ios/app/purelibro-ebook-reader/id1546612448/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/koobone/id6756718632/reviews)** |
| Number of ratings | **362** | 2 |
| Positive reviews | 76.6% of reviews | **77.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 4 MB |
| Requires iOS | 15.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [添欢 谢](https://appshunter.io/developer/1497426499) | [Juanmoe tech (Shenzhen) Limited](https://appshunter.io/developer/1862471219) |

## What reviewers say

### PureLibro

[App page](https://appshunter.io/ios/app/purelibro-ebook-reader/id1546612448)

This app offers a comprehensive reading experience for various digital book and comic formats. It features AI-powered image enhancement, cloud synchronization, extensive customization options, and robust privacy controls. Enjoy hands-free reading and track your progress with detailed statistics.

**Highlights:** Supports TXT, EPUB, MOBI, PDF, CBZ, CBR and more, AI-powered image enhancement for comics, iCloud sync across devices, Hands-free auto reading mode, Extensive customization of fonts, layout, and appearance, Advanced privacy features with password and Face ID, Detailed reading statistics and library management

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 monthly subscription | $0.99 | per month |
| 3 monthly subscription | $1.99 | per 3 months |
| yearly subscription | $5.99 | per year |
| Pro Special Offer | $12.99 | one-time |
| Unlock Pro Version | $12.99 | one-time |
| Unlock Pro Version | $19.99 | one-time |

**What reviewers like**

- 🚀 Excellent rendering and image quality
- 👍 Clean and intuitive user interface
- 🔒 Supports a variety of file formats
- 💡 Customizable reading experience
- 🚀 Fast and responsive app

**What reviewers complain about**

- 🐛 Some issues with text formatting and italics
- 💡 Lack of multi-device sync and progress tracking
- 🐛 Occasional crashes or performance issues
- 💡 Limited font and theme customization options
- 🐛 Localization problems with menus and settings

**Reported bugs**

- Inconsistent behavior when switching between reading modes
- Issues with loading and rendering large books or comics
- Problems with the reliability of the built-in web browser
- Bugs related to the iCloud sync and backup functionality

**Requested features**

- Add support for more text-to-speech options
- Implement bulk import and management of books
- Introduce multi-device sync and reading progress tracking
- Expand font and theme customization capabilities
- Improve localization and translation of the app


### KOOBONE

[App page](https://appshunter.io/ios/app/koobone/id6756718632)

This app helps manage EPUB comics by uploading them to cloud storage. It offers automatic categorization, custom tagging, and local caching for offline reading.

**Highlights:** EPUB comic management, Cloud storage, Automatic categorization, Custom tagging, Local caching for offline reading

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

**In-app purchases:** none


## Frequently asked questions

### Is PureLibro free?

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

### Is KOOBONE free?

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

### Which has better reviews, PureLibro or KOOBONE?

KOOBONE is rated higher. PureLibro averages 4.6 out of 5 from 362 ratings, while KOOBONE averages 5.0 from 2 ratings.

### Do PureLibro or KOOBONE have ads?

Neither PureLibro nor KOOBONE shows ads.

### Which is updated more often, PureLibro or KOOBONE?

PureLibro ships an update every 10 days, and KOOBONE every 3 weeks. Most recently, PureLibro was updated on October 17, 2026 and KOOBONE on October 16, 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.*