For Android I use Android Lost (**'lost android'), TrusFor Android I use Android Lost (**'lost android'), Trust - Event Logger (not in the play store), App Hider (**App Hider) and Teamviewer (**Teamviewer - remote desktop). With all them you can not only locate the phone, you can more or less do everything with the phone remotely, including activating the cameras, recording audio or completely wipe the phone. I also use a realtime GPS tracker that follows my entire family - be warned though, the app eats data like no tomorrow!
**In the play store