I'm a Dropbox user with 5gb of space and while I have installed Google Drive, I see no real reason to switch from Dropbox. First I can earn more space on Dropbo

I'm a Dropbox user with 5gb of space and while I have installed Google Drive, I see no real reason to switch from Dropbox. First I can earn more space on Dropbox if needed with more referrals and second Google doesn't have an iOS app available at launch (however it's coming soon).