Thanks. People on GrapheneOS and who otherwise value open source can get it via F-Droid: https://f-droid.org/en/packages/de.seemoo.at_tracking_detect...
I hope that we can all applaud and value open source but the world is a mad place.
Android: https://play.google.com/store/apps/details?id=de.seemoo.at_t...
I can't find an Apple version so I might suppose that either Apple's nose is out of joint with regards the name, or an Apple version was never released 8)
In the end this is a very decent resource and it should have been covered off by phone floggers, years ago. It's rubbish that G and A are presenting this as something new that they have come up with.