Colibrio Reader for EPUB & PDF

3.7
94 reviews
5K+
Downloads
Content rating
Everyone
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About this app

The Colibrio Reader is an implementation of the Colibrio Reader Framework, the most advanced development framework for building digital reading systems.

Colibrio Reader supports all of the features in EPUB3, including,

* Talking Books (Media Overlays)
* Interactivity (Scripting)
* Reflowable and Fixed Layout
* Text to Speech
* Bookmarks
* Annotations

and much more!

We have chosen to make this app free to all to help people that are looking for an accessible e-reader and to help promote EPUB as a format.

This app will be updated regularly with all our latest features at the time they reach their Beta stage. So you can look forward to a steady stream of fun new features!

A note to screen reader users, the app works best when used with the Google TalkBack service. Also, for accessibility testers, please turn on TalkBack before you start the app.

Now go read a good book!

We are looking forward to your feedback!
Updated on
Dec 8, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
App activity, App info and performance, and Device or other IDs
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

Ratings and reviews

3.4
89 reviews
Alessandra Nicole De Jesus
September 7, 2025
I found this app got what I needed as an epub3 reader, however after updating the tablets and phone to have a different UI. Im disappointed in my phone experience, I was desperately trying to find a way to get the scroll mode and other customizations. Are there future plans to be able to switch tablet mode and phone mode in the app? Edit: app actions don't show them option (reading mode) in phone UI but it does show in tablet ui.
Did you find this helpful?
Colibrio Software AB
September 5, 2025
Hey there 👋 Thanks for using Colibrio! To turn on the scrolling reading experience, tap in the middle of the screen to open the settings. Scroll down until you get to a field called "Reading mode". In the selection list choose either "Scroll Chapter", or "Scroll Book". Thanks again 🙏 The Colibrio team
Phoènîx
November 3, 2025
It is good but please add support for paragraph spacing and font color. That would be perfect
Did you find this helpful?
Colibrio Software AB
November 5, 2025
Hi Phoènîx, Thanks for using Colibrio 🙂 Good suggestions both of them! Let me see what we can get into the next release 👍
Ule Phone
August 18, 2025
I like it how it's simple and useful I only miss custom fonts and tap to speech when you use tts I mean taping a specific paragraph to read aloud ,also scrolling is laggy sometimes
Did you find this helpful?
Colibrio Software AB
October 2, 2025
Hi again 👋 The new version now moves TSS position when you tap book content. Thanks again for your feedback 😊

What’s new

Just in time for the holidays comes a new release, packed with fulfilled wishes and fixes ☃️🎁

- You can now import multiple files!
- Upgraded to the freshest Colibrio Framework 5.0.0-rc.1.
- You can now customize highlight colors in Media Overlay books.
- Word highlighting is now optional when listening to TTS.
- You can now customise if and how you want to display reading progress.
- Much improved UX when using the reading in windowed and split screen mode.
- Other improvements.

👋😊