# Interchange vs PureLibro

The clearest difference is monetization model: PureLibro at free with in-app purchases against Interchange's subscription. PureLibro also leads on rating (4.6 vs 4.3). Interchange's advantage is iOS requirement (12.2 vs 15.4). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Interchange sells 9 in-app purchases, starting at $2.49 per month and PureLibro sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PureLibro holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 212 and 362 respectively. Written reviews point the same way: 73% of Interchange's written reviews are positive against 77% of PureLibro's.

Interchange ships an update every 6 days, PureLibro every 10 days. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Interchange | PureLibro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (212 ratings)](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063/reviews) | **[4.6 (362 ratings)](https://appshunter.io/ios/app/purelibro-ebook-reader/id1546612448/reviews)** |
| Number of ratings | 212 | **362** |
| Positive reviews | 73.2% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 103 MB | 42 MB |
| Requires iOS | **12.2** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [小龙 刘](https://appshunter.io/developer/1171012527) | [添欢 谢](https://appshunter.io/developer/1497426499) |

## What reviewers say

### Interchange

[App page](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063)

Convert and read a wide variety of ebook formats, including DRM-protected files. Offers extensive customization for reading, note-taking, and book management. Supports multiple import methods and file decompression.

**Highlights:** Multiple ebook format conversion, DRM removal for Kindle books, Customizable ebook reader layout, Note-taking and bookmarking, Customizable book covers, Multiple page-turning methods, Comic reading support, Advanced book management

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNLOCK ALL FEATURES, REMOVE AD | $2.49 | per month |
| UNLOCK ALL FEATURES, REMOVE AD | $4.99 | per year |
| REMOVE ALL ADS | $1.99 | one-time |
| Conversions+50 | $1.99 | one-time |
| All formats | $1.99 | one-time |
| Conversions+600 | $2.99 | one-time |
| Conversions+1000 | $3.99 | one-time |
| ALL ACCESS, REMOVING AD | $9.99 | one-time |
| All advanced features | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and quick conversion speeds
- 👍 Easy to use interface
- 📁 Supports multiple file formats
- 💰 Free version available
- 📧 Can send files to Kindle

**What reviewers complain about**

- 🐛 Frequent app crashes and crashes on cover changes
- 😤 Intrusive and excessive advertising
- ❌ Poor conversion quality for PDFs
- 🔤 Confusing and non-intuitive UI
- 🌐 Inconsistent English localization

**Reported bugs**

- App crashes when changing covers
- Ad close buttons are too small or non-functional
- Converted files show as 0 bytes
- App crashes when deleting empty files
- Pro version features still require upgrade prompts

**Requested features**

- Batch conversion capability
- Right-to-left text support for Arabic books
- Proper cover image inclusion in conversions
- Unlimited conversions
- iPad Pro landscape orientation support


### 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


## Frequently asked questions

### Is Interchange free?

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

### Is PureLibro free?

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

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

PureLibro is rated higher. Interchange averages 4.3 out of 5 from 212 ratings, while PureLibro averages 4.6 from 362 ratings.

### Do Interchange or PureLibro have ads?

Neither Interchange nor PureLibro shows ads.

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

Interchange ships an update every 6 days, and PureLibro every 10 days. Most recently, Interchange was updated on September 25, 2026 and PureLibro on September 26, 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.*