4/5 rating based on 22 reviews. Read all reviews for Sync, Backup & Clean Contacts for Google Gmail for iPhone.
Sync, Backup & Clean Contacts for Google Gmail is free iOS app published by Jie Wang
Stynkfysh
Be only just started using the app but it seems to work perfectly. I have tried many many contact sync apps and they always either crash or make a mess of my contacts. Not true of this one as far as I can tell.