Extremely. It's been top of the App store charts since it came out in the US.
That means nothing, see
https://news.ycombinator.com/item?id=49662990
> I spent $220 on Google app ads. 60% of the installs were robots
alt Hacker News
That means nothing, see
https://news.ycombinator.com/item?id=49662990
> I spent $220 on Google app ads. 60% of the installs were robots