How to Transfer Songs from iPhone to Mac Free

Here is a free software: MobiKin Assistant for iOS (Free Mac Version)

By the software you can sync music from iPhone to Mac easily. Just a few steps.

Step 1: Connect iPhone and Mac and run the program
Step 2: Preview and make a choice
Step 3: Backup and save music from iPhone to Mac

This is a guide: How to Transfer Music from iPhone 6/5S/5/4S to Computer Free