# KyBook vs MapleRead CX

The clearest difference is rating: KyBook at 4.4 against MapleRead CX's 3.4. KyBook also leads on ratings volume (466 vs 24) and monetization model (free with in-app purchases vs paid). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. KyBook sells 2 one-off in-app purchases and MapleRead CX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KyBook holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: KyBook has 466 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 71% of KyBook's written reviews are positive against 62% of MapleRead CX's.

KyBook ships an update every 3 weeks, MapleRead CX every 5 weeks. Both last shipped on October 21, 2026.

## The numbers

| Metric | KyBook | MapleRead CX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (466 ratings)](https://appshunter.io/ios/app/kybook-epubfb2pdfdjvu-reader/id673027171/reviews)** | [3.4 (24 ratings)](https://appshunter.io/ios/app/mapleread-cx/id1128582526/reviews) |
| Number of ratings | **466** | 24 |
| Positive reviews | **71.2% of reviews** | 61.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 50 MB | 26 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Konstantin Bukreev](https://appshunter.io/developer/547576207) | [Maplepop LLC](https://appshunter.io/developer/798017700) |

## What reviewers say

### KyBook

[App page](https://appshunter.io/ios/app/kybook-epubfb2pdfdjvu-reader/id673027171)

This app is a versatile e-book reader supporting a wide range of formats including EPUB, PDF, and audiobooks. It offers extensive customization for reading modes, cloud storage integration, and easy book organization. Advanced features like DJVU support and speed reading are available via in-app purchase.

**Highlights:** Supports EPUB, FB2, PDF, DJVU, CBR, CBZ, MP3, M4A, M4B formats, OPDS catalogs and cloud storage integration, Customizable reading mode settings, Book organization and cataloging, Text-to-speech and dictionary support, Speed Reading (RSVP)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro Version | $0.99 | one-time |
| Upgrade to Pro Version | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and smooth performance
- 📚 Supports wide range of file formats
- 🔖 Good organization and categorization features
- 🔊 Excellent text-to-speech functionality

**What reviewers complain about**

- 🐛 Syncing issues, especially with Dropbox and Google Drive
- 🔍 Navigation and file management could be improved
- 💰 Paid version required for some key features
- 📢 Intrusive ads in free version
- 🔧 Lack of updates and support from developers

**Reported bugs**

- Crashes after recent iOS updates
- Text-to-speech function not working properly on newer devices
- Inability to delete books from the app
- Inconsistent theme and color customization behavior

**Requested features**

- Add support for more languages
- Improve image handling and layout
- Implement better annotation and highlighting tools
- Provide easier access to main library from subfolders
- Add ability to password protect individual books or folders


### MapleRead CX

[App page](https://appshunter.io/ios/app/mapleread-cx/id1128582526)

This app offers a unique audio-visual reading experience for EPUB ebooks. Customize book styles, generate pseudo audiobooks with various voices, and enjoy immersive reading with synchronized audio and text. It also functions as a powerful library management tool with extensive customization options.

**Highlights:** Audio-visual EPUB reader, Pseudo audiobook generation, Immersion reading (sync audio/text), Customizable book styles and themes, Word lookup and translation, Library management and organization, User-defined fonts and highlight colors

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $6.99 | one-time |


## Frequently asked questions

### Is KyBook free?

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

### Is MapleRead CX free?

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

### Which has better reviews, KyBook or MapleRead CX?

KyBook is rated higher. KyBook averages 4.4 out of 5 from 466 ratings, while MapleRead CX averages 3.4 from 24 ratings.

### Do KyBook or MapleRead CX have ads?

Neither KyBook nor MapleRead CX shows ads.

### Which is updated more often, KyBook or MapleRead CX?

KyBook ships an update every 3 weeks, and MapleRead CX every 5 weeks. Most recently, KyBook was updated on October 21, 2026 and MapleRead CX on October 21, 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.*