飞机 is a secure and stable encrypted chat software utilizing advanced RSA and national standard SM2 encryption protection technologies. With asymmetric encryption and elliptic curve cryptographic algorithms in its transmission protocol and messages, users' chat content is highly confidential, effectively preventing information leakage and eavesdropping. Additionally, the software offers convenient chat functions and efficient business collaboration tools, allowing users to easily conduct business while chatting.

The key features include secure chatting with non-server transmission and storage, enabling users to send messages to anyone without adding them as friends, supporting various chat formats like text, images, voice, and calls, two-way message recall, super groups accommodating up to 100,000 members for online communication, conversation archiving for managing excessive messages, and a collaboration platform for sharing information and exploring partnership opportunities.