# PureLibro vs CHM+

The clearest difference is rating: PureLibro at 4.6 against CHM+'s 3.0. PureLibro also leads on ads (none vs shown) and ratings volume (365 vs 2). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. PureLibro sells 6 in-app purchases, starting at $0.99 per month and CHM+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PureLibro holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: PureLibro has 365 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 77% of PureLibro's written reviews are positive against 83% of CHM+'s, so the app with the better star average is not the one people write more warmly about.

PureLibro ships an update every 10 days, CHM+ every 6 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PureLibro | CHM+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (365 ratings)](https://appshunter.io/ios/app/purelibro-ebook-reader/id1546612448/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chm-plus-chm-document-reader/id6745147168/reviews) |
| Number of ratings | **365** | 2 |
| Positive reviews | 76.6% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 16 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) | [俊锋 仝](https://appshunter.io/developer/1209824000) |

## 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


### CHM+

[App page](https://appshunter.io/ios/app/chm-plus-chm-document-reader/id6745147168)

This app provides a streamlined way to read CHM documents on iOS devices. It offers quick import from local storage and iCloud, fast opening of large files, and efficient chapter navigation. Enjoy a smooth reading experience with support for multiple encodings.

**Highlights:** Quick document import (local storage, iCloud), Fast opening of large CHM files, Table of contents chapter switching, Multi-screen collaboration on iPad, Support for multiple encoding types, Smooth reading experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CHM Pro | $4.99 | one-time |


## Frequently asked questions

### Is PureLibro free?

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

### Is CHM+ free?

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

### Which has better reviews, PureLibro or CHM+?

PureLibro is rated higher. PureLibro averages 4.6 out of 5 from 365 ratings, while CHM+ averages 3.0 from 2 ratings.

### Do PureLibro or CHM+ have ads?

CHM+ shows ads; PureLibro does not.

### Which is updated more often, PureLibro or CHM+?

PureLibro ships an update every 10 days, and CHM+ every 6 weeks. Most recently, PureLibro was updated on October 21, 2026 and CHM+ on October 12, 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.*