The truth about bots that are widely used by the public, Is that they all have footprints. The best IG bot is the one you either make your self or have made. Also you want to make sure the bot acts like a real person. My personal bot I made myself, even goes as far as to spell posts wrong then go back and fix them. I NEVER get account blocks or anything. Of course I am not following 500 people a day super fast either. My bot will follow 3 or 4 then browse instagram for a few minutes take a break follow 2 more like a few things.. etc. Most real people are not able to follow 500 people in 10 minutes.... Anyways just some ramblings from a programmer who makes all my own tools.