fieldmargin is an easy to use visual record of your farm. Draw maps, make notes, leave messages for your team and more, with or without internet connection.
Website: www.fieldmargin.com
iOS: https://itunes.apple.com/gb/app/fieldmargin-your-farm-in-your-pocket/id1096607801
Android: https://play.google.com/store/apps/details?id=com.fieldmargin