As far as iPhone goes, you can make it so it only spies on this specific app.
Source:
I’m currently testing on a seperate phone what kind of things one has to do in order to make the phone listen to what you say and give you ads. I do this by starting with maximum security and lowering it
If you have any Zuckerberg products installed on your phone, all of your browsing behavior is being tracked. These apps should never be installed.
https://localmess.github.io/
That’s why I suggested ‘island’ since it’s pretty close to a sandbox for those apps.
As far as iPhone goes, you can make it so it only spies on this specific app.
Source: I’m currently testing on a seperate phone what kind of things one has to do in order to make the phone listen to what you say and give you ads. I do this by starting with maximum security and lowering it
The method revealed in my comment’s link bypasses app permissions in the phone OS.