When comparing Sync vs Koofr, the Slant community recommends Sync for most people. In the question“What are the best cloud storage services?” Sync is ranked 4th while Koofr is ranked 27th. The most important reason people chose Sync is:
250% more space than Dropbox basic plan.
Ranked in these QuestionsQuestion Ranking
Pros
Pro 5GB of free storage
250% more space than Dropbox basic plan.
Pro Privacy conscious
Terms and conditions favor user privacy.
Pro Encryption
Data is fully encrypted on the client-side, both in-transit and at-rest.
Pro Two-factor authentication
Even free accounts offer 2FA.
Pro Multiple connections
Can connect multiple accounts from the same provider.
Cons
Con Reauthorization issues
If you are using reauthorize,it will cause error : Access to this external account is currently not possible due to expired token.
To fix it, you need to remove them first, then connect them like new users does
Con Limited free user experience
Won't show conncted drives in desktop application to free users.
Only able to connect to OneDrive, Google Drive and Dropbox.