This application can easily transfer Android contacts to iPhone directly on Mac.
Backuptrans Android Contacts to iPhone Transfer 3.1 : Main Window

Alternative downloads

AnyTrans for Android

Backup, clone, and transfer data from Android phones to other devices.

iSkysoft Phone Transfer

It offers an easy-to-use solution to transfer data between portable devices.

Backuptrans Android Contacts

It helps you backup, restore and manage Android Contacts information on Mac.