Google Duo for the computer is a great video call and audio call application. It offers high-quality videos and a low-light mode. You can add 32 participants at once in a single call. Still, it offers a family mode to allow the users to try doodle and new effects on the screen. However, if the app does not match your needs, you can try the available alternatives. Some of the best alternatives to try to include Whatsapp, Facebook Messenger, Zoom, and FaceTime.