There are two kinds of people: one who cares about productivity apps, the other not so much. If you are among the latter, you may consider skipping this review. But if you â€“ like me â€“ enjoy checking out the latest attempts in raising ones productivity levels, then you may already have heard about Parker Planner. Ethan Parker and his team left the paper planner business in order to concentrate on creating the perfect day planning app. Let’s see how far along they are!