Good
Ok - a year later and this is still very, very good - possibly the best for both iOS and Windows.
Fast and reliable - and additional storage space is both flexible and reasonably priced. This is really an essential!
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This app is very well integrated across platforms and other Google apps!
It is solid, dependable, and as private as any cloud storage (i.e., not very). You should consider a third-party encryption program for any sensitive data you store here.
Unlike iCloud, GDrive allows full access to all files on your cloud drive, making file mgmt possible and very easy. Apple should take a lesson here!
HeadMoose about
Google Drive, v4.2017.421