aCalendar > Business Calendar > Tiny Calendar > Tick Tick Pro aCalendar's design, featurr and logic is from 2004 Business Calendar is better but still stupid and feels like from 2010 Tiny Calendar really improves from the 2 above. Nice modern design and good drag/drop feature but still suffers the same wrong logic and bad design as Business Calendar. Tick Tick is the modern calendar that wins because its designed with modern logic designed with proper modern features. Less touchpoints and jus