As of version 7.8, Contacts Sync requires new users to purchase a subscription to unlock premium features.
Users who previously upgraded the app will retain access to premium features.
Transitioning to subscriptions will allow Contacts Sync to improve more rapidly over time, and to more effectively maintain the app so it continues to work well.
If you prefer paid apps, Synctastic is functionally equivalent to Contacts Sync, and it provides lifetime access to premium features:
Please do feel free to share your feedback with us: email@example.com