itunes.apple.com/us/app/gps-fie...re/id1123033235
GPS Field Area Measure useful as map measurement tool for outdoor activities, sports, range finder applications, bike tour planning, or run tour planning, explore golf area, land survey, golf distance meter, field pasture area measure, garden and farm work and planning, area records, construction, agricultural fencing, solar panel installation - roof area estimation, trip planning.
Farmers who have farms and grow wheat, corn, rape, maize, sugar beet and need to do year after year field measuring job to check planted area, this is to best fits all needs.
Also farmers who managing farm, contractors who doing agriculture jobs for farmers can use this app counting how many field already planted, also they can send to each other link which can be opened on Google maps.