As an independent developer I really want to know what features of my app are actually being used (and what devices they're using it on, OS versions, etc). I tr

As an independent developer I really want to know what features of my app are actually being used (and what devices they're using it on, OS versions, etc). I try to talk to my users but you only hear from the loud annoying ones, not the silent majority and the conclusions are inevitably wrong. I'd love a tool like differential privacy to gather statistics in a provably anonymous way. Without a tool like that, only companies with shedloads of money (like Google, Microsoft, Apple) can afford the market research (or the amount of spaghetti to throw at the wall) to compete.