It’s designed for big files, so you don’t have to worry about compressing files before you upload them. The transfers are encrypted and your data and personal information are protected by private keys which are not stored on a server in the cloud. The app is free and is available in 10 languages including: English, German, Spanish, French, Italian, Japanese, Russian, Chinese and Portuguese.
Sync makes moving big files between devices simple. Use it to remotely backup photos from your iPhone to your laptop. Use it to send work projects to your iPad at home. By the way, Sync as much as you want: there are no size caps or secret pricing tiers.