You can reset your password in the following way:
1. Open the app and click on 'Log in'.
2. Click on 'Forgot your password?'.
3. Enter your email address and click on 'Request new password' which sends you a password reset email.
4. Locate the email in your inbox (remember to check your spam folder if it isn't there) and click on 'Reset my password'.
5. Enter in your new password, and also enter it a second time to confirm it.
6. Click on 'Reset password'
7. You can now log in with your email address and new password.