Tukan is a free secure messenger for Android devices developed by Tukan Ltd. It is designed to provide a secure communication platform for its users. The app is available for download on the Google Play Store and requires Android 5.0 and above.

Tukan provides end-to-end encryption for all messages, voice calls, and video calls. This ensures that only the intended recipient can access the message content. The app also offers self-destructing messages, which disappear after being read, providing an additional layer of security. Tukan also has a feature that allows users to verify the identity of their contacts by comparing security codes.

The user interface of Tukan is straightforward and easy to navigate. The app also allows users to customize their chat experience by choosing from a variety of themes. Overall, Tukan is a reliable and secure messaging app that ensures the privacy of its users.