I downloaded this relatively expensive ($9.99) app because it had high ratings and was expressly advertised as working with Exchange. Downloaded successfully and successfully synced (or so it said). It took a week with customer support (who, to be honest, were prompt) to figure out that the app does not support either flagged items or shared task folders. Now that IS irritating! It is called "Todo Exchange Tasks" so one would think it would support the full range of Exchange Tasks. For me many of those are flagged items and shared folders. Very, very frustrating. Support said theyd discuss adding flagged items (which some of their cheaper competitiors do). I am really baffled by the lack of quality of any app offerings in the area of Exchange Tasks . . . a very big oversight by the developers of MS, Apple (for iPhone) and the independent app developers.
Loiyer about Todo® Exchange Tasks