How do I log in? Share this with friends: Please click on the text “Log-In with existing account” in the start menu of the app. Enter the email address and password you used to register. Alternatively, you can log in with Google or Facebook. Click on the corresponding button. Related Articles Manual for questions about the Carly interface I get an error message when I log/register in to the app. What can I do? How do I send a help message? I forgot my password. What can I do? How do I register? Do I need an internet connection and why do I need to log in to use Carly?