How can I share messages (from iPhone)?

You can share the messages in sms, e-mail, Twitter or Facebook. Please note that the messages you share are publicly posted on our web page at http://zello.com/shared

On  the History screen tap Share icon (in the lower left corner), select messages or use Toggle to select all messages, then tap “Share” button.

 The shared messages can be downloaded as mp3 from the web page.

See also Quick Start Guide