You may remain signed in for up to 30 days on the same device, unless you have logged out of your account or you are signed in on another device at the same time.
However, if you share your device with other people, we recommend that you log out of your account after each use.
１. Go to ClassDo.com, and click Sign In.
２. Choose how you have signed up for ClassDo:
２-１. Click Continue with Google.
２-２. Select your Google/Gmail account.
２-１. Enter your email address and click Continue with email.
２-２. Check a message titled Welcome to ClassDo in your email account. Enter the six-digit verification code received in the email and click Submit.
DO NOT close the ClassDo sign-in page when you check your email account. Open a new tab on your browser or use your mobile phone for checking it.
Only the existing users who signed up via mobile phone number before 6th of July, 2021 can use the phone number to sign in
２-１. Click Continue with mobile number instead.
２-２. Select your country code and enter your mobile phone number. Click Submit.
２-３. Check a text message titled ClassDo on your mobile phone. Enter the six-digit verification code received on your phone and click Submit.
３. You will be automatically directed to the room last used.