Best planner app available in my opinion – Informant - Agenda, Tasks, Notes Planner Review

This is the best planning app of the lot. I've been using PI for years. It works well with others, it's easy to use, and flexible with whichever way you choose to use it. Fanatic continually does it right.
Review by Slick Rick the Ruler on Informant - Agenda, Tasks, Notes Planner.