Ancient Earth can use the built-in Location Services in your iOS device. If your location is obtainable by your device, Ancient Earth can show you where your current location would have been in the geologic past!
Getting your location:
Stop showing your location:
Once Ancient Earth gets a valid location it will stop monitoring your position to save battery power. If you have moved a significant distance while this feature is turned on, you’ll need to turn it off and on again.