Find My Devices has been downloaded and set up by over 5M users and the most recent release is dated Oct 15, 2020. Take into account the important moment: ads are a part of this application and it provides in-app purchases. It's free of charge to download the installer of Find My Devices, also, you can have a look at users' reviews on Droid Informer. The app works fine on Android 4.1 and above.
Users leave reviews saying that you can find such drawbacks of the app as battery issues and high CPU usage.