To login All-in seller Auto-Responder app you should:
1) Navigate to “My-Account” page here (login with your email and password if needed)
2) in this screen, under “subscriptions” you should see the following table:
click the “Auto-Responder” button on the right to get in the Auto-responder app.
alternatively, you can navigate to the apps website here: http://app.allinseller.com and login with your credentials or FB\Google connect.
if you can NOT see the Auto-Responder button, try to use the button beneath to go back the free plan, then you will see it, alternatively, finish the payment and you will be able to see the button.