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
Apple ARKit - A framework to create Augmented Reality experiences for iOS
Google Drive - Access and sync your files anywhere
SketchAR - Start drawing easily using augmented reality
Mega - Secure File Storage and collaboration
Snap Art - Snap's augmented reality platform