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.
SnapInspect - SnapInspect is a simple property inspection app & software for iPhone, iPad and Android. Save 75% of the time you spend on inspections.
Dropbox - Online Sync and File Sharing
ReportHost - Inspection software for home and property inspectors looking to deliver the great reports to their customers and agents.
Google Drive - Access and sync your files anywhere
Sitecert - Inspections made Simple
Mega - Secure File Storage and collaboration