Hey peaceridge,
Thank for signing up and trying BookFusion. We just had a solid updated released for our iOS app. More at
https://itunes.apple.com/us/app/bookfusion/id1141834096 . To get your eBooks into BookFusion from Calibre you can use our plugin at
https://www.bookfusion.com/reading/calibre
Please feel free to reach out to me if you have any feedback or a feature request.