According to what Unity reps said elsewhere, they have no way of knowing what’s a bought install, what’s a demo, what’s a charity bundle, what’s a pirated install, and what is someone loading a webpage with a WebGL program integrated (every page view = 1 install).

Instead, they want to estimate how much people owe them. Using secret methods with no accountability.

See that sidebar on the right? Click the “Megathread” link there.

I went with lemm.ee, seems like a good one.