Everyone has their favorite photo editing app on their iOS device, but thanks to esDot Development Studio you can now try another. PicShop HD for iPhone and iPad is now free to download from the App Store for a limited time. PicShop HD supports images up to 8MP in resolution, perfect for your iPhone 5.

PicShop HD combines more traditional photo editing techniques such as cropping, straightening, and adjusting brightness and contrast, with filters, frames, and even drawing effects and memes should you so wish. There's enough tools on board to have a serious play around with your snapshots, which you can load directly from the Camera Roll, take a new shot and use that, or even import your photos from Facebook to tinker with.

Once you're done editing, you get a choice of size to save the image at, or direct sharing to Twitter, Email or Facebook. The UI is well designed and straight forward to use, if a little un-interesting to look at. But it has it where it counts, and is well worth a look while it's on special. Let us know how you find it, and how it compares to your own favorite photo editing apps.