In order to add a user to your iPlum contacts and start iPlum to iPlum conversations, ask your friend to enroll in iPlum app. It is a free app to install. Then go to iPlum Settings, Contact Options and click “Add iPlum Contact”. Here enter the name and iPlum ID of your friend and click “Add”.
Once a user is enrolled with iPlum, you will see their contact in the “Phone” menu of iPlum. iPlum users are automatically tagged with Plum color. If you don’t see them, just do Pull-down-to-refresh in your iPlum contacts.