You can grab the latest update at https://apps.apple.com/us/app/bookfusion/id1141834096 .We just released an update with some of the most requested improvements.
BookFusion Android 2.12.1 – Dark Mode Support & Other Updates
Dark Mode
The highly requested dark mode is now fully implemented in our Android app. Dark mode is supported on all refreshed interfaces from signing up,
Android 2.11.2 – New Bookshelf!! 
We’ve completed another major update to our Android app for both Tablets and Phones that introduces the start of our new Bookshelf.
iOS 1.19.0 – Dark Mode and Highlights & Annotations!
Dark Mode
Dark mode is finally here for iOS! Now you can choose whether to relish in the dark or the light.
Web App: Highlights & Annotations Updates !
Making highlights & annotations is the best way to get the most out of the time you spend reading. Whether you are reading to learn,
Android App Release 2.10.2 – PDF Upgrades!
We have completed a major update to our Android app for both phones and tablets this week, one that introduces our brand new UI/UX and new features for the PDF reader.