O Google Drive
"Get started with Google Drive for free and have all your files within reach from any smartphone, tablet, or computer. All your files in Drive – like your videos, photos, and documents – are backed up safely so you can’t lose them. Easily invite others to view, edit, or leave comments on any of your files or folders.
With Drive, you can:
• View documents, PDFs, photos, videos, and more
• Search for files by name and content
• Easily share files and folders with others
• Set sharing permissions to view, comment, or edit
• Quickly access recent files
• See file details and activity
• Enable viewing of files offline
Google accounts get 15GB of storage free, shared across Google Drive, Gmail, and Google Photos. For additional storage, you can upgrade to a premium subscription plan as an in-app purchase.
Storage subscriptions purchased from the app will be charged to your iTunes Account, and automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Subscriptions and auto-renewal may be managed by going to iTunes Account Settings after purchase.
Google Drive Terms of Service: https://www.google.com/drive/terms-of-service