Application details
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Google Drive for iOS

https://itunes.apple.com/us/app/google-drive-free-online-storage/id507874739

Google Drive is a file storage and synchronization service operated by Google. It allows users to store files in the cloud, synchronize files across devices, and share files. Google Drive encompasses Google Docs, Sheets and Slides, an office suite that permits collaborative editing of documents, spreadsheets, presentations, drawings, forms, and more.