Habitica - Habitica is a free habit building and productivity application.
Sectograph - Sectograph app enables you to create a visual event tracker to keep track of all your upcoming events and due tasks right from the home screen.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
Power Planner - Record homework and class schedule.
Flow Dashboard - Habit, task & goal tracking + quantified self
Cozi - Cozi | Must-have app for the modern family