> If you are on a current iPhone or Mac
Presumably if you don't trust apple you wouldn't purchase their products and even if you were for example forced to use it via work or something you wouldn't use this feature ... so it doesn't really change the calculus as presented by this article - IF you ALREADY HAVE a MODERN Mac (and trust apple) this is your best option
https://alternativeto.net/software/little-snitch/
https://www.g2.com/products/little-snitch/competitors/altern...
There are many alternatives for trying to find out what’s going on. If you don’t want to bother, and most people don’t, well, what else is there to say?
It is generally a good idea to know what software is phoning home, if you can pinpoint it.
If you have any software recommendations, I’d be happy to know.