29 Twitter apps for the iPhone compared

"Remember the days when we could count iPhone apps for #Twitter on one hand? Well, those days are long gone, and if you're having trouble keeping up with all the new additions, you're not alone. Which apps are the real deal, worth the price, over-hyped, underrated, or just a plain waste of space? We'll break it down for you and showcase the best based on categories like pay to play, freebies, search and trends, one hit wonders, and multi-purpose." - Mashable