Launch the PalTalk app on your iPhone or iPod Touch by tapping the PalTalk icon.

The login screen will appear.

If you do not yet have a PalTalk nickname, tap on the 'register' button to create one.

If you already have a PalTalk nickname enter your PalTalk nickname and password into the appropriate fields and tap the 'log in' button.

The 'sign in as invisible' box will allow you to log in but not be seen as online to other users, unless you start a chat with someone, in which case you would show as online to that person.