Nova is a free and secure messaging app available for Android and iOS smartphones. Send and receive messages, HD voice and video calls with your friends and family using your phone's internet connection (4G/3G/2G or Wi-Fi). End-to-end encryption (powered by the open source Signal Protocol) will keep all your communication secured. You don't have to worry about security anymore. Stay cool and tuned in with your family and friends with a peaceful mind. MAJOR REASONS TO SWITCH TO NOVA: • Simple