Exhibit 23.1

Consent of Independent Auditors

We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (No.333-168745, No. 333-167000 and No. 333-136088) and S-3 (No.333-164619) of Synchronoss Technologies, Inc. of our report dated September 30, 2010, relating to the consolidated financial statements of FusionOne, Inc., which appear in the Form 8-K/A of Synchronoss Technologies, Inc on October 1, 2010.

/s/ MOHLER, NIXON & WILLIAMS  

Accountancy Corporation 

Campbell, California 

September 30, 2010