PayFit
Tresorit offers Free Trial, but Sync.com does not.
Sync.com is designed for Medium Business and Small Business.
Tresorit is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sync.com Starts at $5/User/Month whereas for Tresorit Starts at $10.42/Month when Billed Yearly.
Some top alternatives to Sync.com includes pCloud, Dropbox Business, Google Drive, FileCloud, Box, Microsoft OneDrive for Business, Tresorit, BluSync, OpenDrive and MultCloud.
Some top alternatives to Tresorit includes pCloud, Sync.com, Dropbox Business, ownCloud, Box, Dropbox Professional, Quatrix, etfile, BluSync and Dropvault.