Cloudshelf SDK is all you need to create world class reading apps for EPUB3


Building your own reading app is easy with Cloudshelf SDK

Simple. Powerful. Complete.

Cloudshelf SDK is a simple, powerful, and complete solution for adding EPUB3 support to your iOS and Android mobile apps. Our easy-to-implement framework with platform-native APIs makes it a snap to add ereader features to any mobile app, saving you many months of expense and time to market. Ask about our free evaluation license.


Download Cloudshelf Reader Preview App




Focus on your core mission

We’ve done the heavy lifting for you. Deliver world class digital media experiences including fixed layout or auto-paginated text along with audio, video and augmented reality content. This feature rich SDK comes with customizable ereading settings, bookmarking, highlighting, search and plug-and-play compatibility with Sony URMS DRM content protection.


Retain complete control

You retain control of your app user experience, and can customize and extend your mobile app however you see fit. Extending the Readium open source project, Cloudshelf SDK offers state-of-the-art EPUB processing and plug-and-play compatibility with Sony URMS DRM content protection technology for ebooks.


Now with Augmented Reality

Cloudshelf SDK now supports augmented reality content that can be launched from within books, magazines and other digital publications or delivered as standalone experiences.




In-App Purchase

Drive revenues and increase user engagement by delivering AR and eBook products as one-off purchases or subscription-based services



Ease & Performance

Faster and much-more simple to implement than the competition.Better App performance, stability, and feature set than any other reader or AR viewer app solution.



Forever License

Pay once and use it forever. No other licenses or renewals are required. Annual support and maintenance service plans are available as well as SDK source code options.



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