I think we could all use a little motivation to get healthier, and what better motivation than a fun challenge! Slimkicker is a healthy living and fitness app that provides forums, calorie counting tools, challenges, and giveaways to entice users to make healthy changes. You earn points by counting calories or completing challenges that can be used towards rewards. They want to hear from you what diet or fitness challenge you’d like to participate in, like not drinking soda or eating processed meats for a week.