S Pen Planner 2 is SAME as the original "S Pen Planner. " (Only a few design tweaks. ). S Pen Planner 2 was created so that you can use 2 separate calendars to organize your events & things to do, etc. Other than they have slightly different color background in month view and day view, they are the same. Pick the one with the design you like! What is this Application?