Tap Sign up, enter your email, a username and a password, and tap Create account.
- Your username needs at least 3 characters, and your password at least 6.
- If you have an invite code, enter it; otherwise leave that box empty.
- On iPhone, you can tap Sign in with Apple instead.
Use the same account in the app and at castria.app, and your shows, places and queue follow you. See Does Castria sync between my phone and computer?