For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Based on our record, Cool Reader seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
An Android tablet and the CoolReader app. For me, it's simply the best eReader experience available. It's incredibly customisable. The only downside is it doesn't support PDF or AZW3, both of which can be reformatted to your preferred file type with Calibre anyway. Source: over 1 year ago
Cool reader is also another option https://sourceforge.net/projects/crengine/. Source: about 3 years ago
FBReader - FBReader is an e-book reader for various platforms. Features:
Dropbox - Online Sync and File Sharing
calibre - Ebook manager, viewer & converter
Google Drive - Access and sync your files anywhere
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Mega - Secure File Storage and collaboration