Have you lost your phone or accidentally left a HeiaHeia session open on a library computer?
No worries. Open HeiaHeia on a computer, and in the top left corner, navigate to Account -> Settings.
In the settings menu, you'll find the button "Logout from all devices".
Clicking the button logs all your open HeiaHeia sessions. Please note that we strongly recommend changing your password if you suspect a session has been left unattended!