Field Marker

Easy to use and precise measuring tool.
Marking field can be done in real time, you can drive in car, walk or even fly and keep track of where you've been!
You can see speed and also be able to adjust markers in real time which provides high precision.
Also, all fields can be saved in kml format, and you can easily share them via multiple apps. If that's too much for you, you can simply send screenshot of the field in one click!