grading as part of his volunteer work with a state high school mathlete contest. With smartphone capabilities improving and a very obvious need, John set to work to create a cost effective grading app for the iPhone.

Since then, John has talked with hundreds of teachers and expanded ZipGrade with features requested by classroom teachers around the world. The company still consists of John, with his wife acting as his primary tester and advocate. Teachers are sometimes surprised that support emails are answered by the original developer, but there is no better way to get insight into what is important in different classrooms and to have a real conversation.