Uh no:You can check the App explanation in its location services settings. E.g. For Google Maps, Settings -> Privacy -> Location Services -> Google Maps.
Google Maps states:
Since I don't need any of that I have it on "While Using the App", but actually there do seem to be legitimate uses for the Always Allow setting.

Google Hands Feds 1,500 Phone Locations In Unprecedented ‘Geofence’ Search
Feds tell Google to search four areas for suspected arsonists' phones. Google gives it 1,500 device IDs.
