I have read many posts that people use this app on their phones, tablets, home computers. It counts calories for you. I'm geting jump start here. If you check this out and u decide this will help you through your new life change add me. My name on there is dmgriffith92 if you need to find me by email that's dmgriffith92@Gmail.com and if you would like extra support through Facebook my name is dawn Becker Griffith on there.