You do not need to login to your Caribu account unless you have logged out after your last session.
If you are logged out:
1) Tap on your Caribu App to open it.
2) You will see some video playing, and then two buttons will pop-up.
3) Tap on the button that says: "Already have an account? LOG IN"
4) Log in to your account with your email address and password. If you forgot your password, click on the small words that say “Forgot Password?” or follow these instructions.