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.
Dropbox - Online Sync and File Sharing
1stagram - Discover anyone's first Instagram post
Google Drive - Access and sync your files anywhere
Likecreeper - Randomly hit like on a friend's horrifyingly old Instagram
Mega - Secure File Storage and collaboration
Flip - A seamless way to capture looping videos on mobile 🎬