So, presumably this app isn't actually doing any real mathematical number crunching and isn't really related to anything Pi, aside from the logo.

What does Pi network stand for "Personal Information" harvesting "network" !?

Who are the supposed "Stanford PhD's" involved in this? Anyone?

...

Here are three genuine Prime number based cryptocurrency altcoins ...

- https://primecoin.io/
- https://riecoin.dev/
- https://gapcoin.club/