ANY OF THE apps on test will fulfil your essential task management requirements. TickTick offers a competitive and well– rounded feature set for a sensible price, and is also the only app that includes full iOS functionality with your purchase. Things 3 is the most Mac–like and could almost have been designed by Apple, though its collaboration capabilities are lacking.OmniFocus is arguably the most technical–feeling, and has much for power users but won’t receive collaborative tools until a future update.