Reminds me of Volkswagen cheating function: if it detected the car was on the lab, it changed its behaviour to pollute less. So... it's very feasible for any ot

Reminds me of Volkswagen cheating function: if it detected the car was on the lab, it changed its behaviour to pollute less. So... it's very feasible for any other company to do a similar thing. Now otoh as far as I know, microphone usage is not cheap on mobile devices. So either these apps are doing sporadic on/off recording or we would see a strong impact on the phone charge life.