I, along with a few of my colleagues, have been building mobile and web apps for the past few years now. One thing that all of us agree on is that referral programs help you bring in a fair share of customers to your platform. So, we set out to find the best one to integrate. We soon abandoned our search as we found that most of the platforms charge very high subscription rates with almost no trials or free usage available. That's when GrowthRail came to life. 6 months later, we believe that w...