Check Website Here https://rupam-emaily-server.herokuapp.com
First login then buy 5 credit. use #demo_card_number 4242 4242 4242 4242 After taking 5 credit, go to https://rupam-emaily-server.herokuapp.com/survey/new to create survey and send to your friend. Recipients are your friends email.
Than they can vote, and result will show here https://rupam-emaily-server.herokuapp.com/survey
Currently I am using heroku free dyno. And this dyno is slow.