Three productivity apps, Plan, Week Plan, and PomoDone, were selected based on cost, scheduling capability, and simplicity. These apps cater to different needs, with Plan being ideal for quickly scheduling time blocks, Week Plan offering comprehensive prioritization and scheduling, and PomoDone tracking and implementing time blocks using the Pomodoro Technique. Each app has unique features, such as drag-and-drop task management in Plan, weekly planning and goal-setting in Week Plan, and task-focused time tracking in PomoDone.