Free version vs Premium version:
Features Free Version Premium Version
Sync apps, photos, music and video between Android device and PC
Back up and restore apps and SMS
Transfer files between Android device and PC
Send and receive SMS on the PC
Support Outlook categories sync
Support Outlook folders sync
Support Outlook contact photo sync
Sync contacts between Android device and Outlook
Sync calendars between Android device and Outlook
Sync tasks between Android device and Outlook
Sync notes between Android device and Outlook
Auto-sync through USB or local WiFi
Multiple PCs installations