Enigma: criptografar mensagens is a simple, power and secure instant messaging app. It offers an unlimited amount of messages, is heavily encrypted and lets you completely customize your messenger, and support end-to-end encrypted voice and video calls, as well as in groups. It also syncs all your messages across your phones. Additionally, it is secure as the file you send will be end-to-end encrypted by default, there are only encrypted messages on the server, and keys will remain on your device, only your chat participants can see the messages. Your phone number is hidden to everyone, you can prevent others find you by phone number in your privacy settings.