HDR FX is a great iPhone photography app and it is currently free until April 30, 2012. HDR FX allows you to have Single-Photo HDR Effect on your photos and at the same time to experience special functions that HDR FX provides. It helps you make photos look more impressive and gorgeous than what you experience in a real world. A magical experience will be shown on your phone. Sceneries in travelling, beautiful sky around sunset, first snow near daybreak and so on…No matter what is taken, the magic promises more beautiful and breathtaking photos.