Contacts Sync vs Hiya

Contacts Sync

Social & Communications

Contacts Sync is a software that allows you to synchronize your contacts across multiple devices and platforms. It ensures all your devices - phone, tablet, computer have the same up-to-date contacts so you can access them from anywhere.

Hiya

Security & Privacy

Hiya is a phone number lookup and call blocking app for iOS and Android. It identifies unknown callers, blocks robocalls and spam calls, and gives you control over who contacts you.