Afterlight is another very popular app for iOS photography and rightly so. It has just received a new update, #2.4. This update introduces the new Double Exposure tool. There is also a new set of six instant film frames created by Jacob Wick (@jacobleewick). Forty three new frames have been added to the Script category, there are also performance and utilization improvements.
This is a free update, if you have previously downloaded Afterlight, if not you can pick it up here. It retails for $0.99/£0.69/download.