Here are the instructions on how to login to the app. Be sure that you use the same email address that you signed up with.
Open the app.
Tap on "Login".
Enter the email address that you used to sign up.
Tap "Sign in with Email".
A magic link will be sent to your email that will automatically open the app and log you in.
You can also enter the verification code that was included in the email directly on the app.