There’s some great deals to be had this weekend in the Apple App store, with many apps going free and others with great discounts. We’ve put together a selection of iPhone and iPad photography apps that you won’t want to miss out on, take a look at these… My Sketch NOW on 50% Sale , celebrating our app featured in " New and Noteworthy by Apple " for a limited time ONLY US/$0.99/download UK/£0.69/download Halftone Halftone adds an aged halftone-style printing effect to photos to give them a unique, vintage look. With 27 paper styles, nine built-in layouts, two caption styles, six different speech balloon styles, 24 stamps, and the…