Hipstamatic ($1.99)

Give your digital photos the feel of analog, with the ability to (digitally) swap lenses, film and flash settings with the swipe of a finger.

Convert your photos into black-and-white images while highlighting details in color to create more striking images.

This app turns your iPhone or iPad 2 into a full-featured 360-degree panoramic camera—just pan the camera and watch as images are stitched.

Turn your photos into high-quality sketches with this app, which is being offered free for a limited time.

This app gives your photos the HDR treatment, which gives them extra ranges of light and detail.

An easy and fun way to make your own personal photo collages and then share them via sites such as Facebook and Twitter.

Use 27 paper styles, nine built-in layouts and two caption styles to give your photos a unique vintage look.

Plan your outdoor photography shoots, particularly landscape and urban scenes, with this app, which features a map-centric sun and moon calculator.

Shoot old-school 8mm movies in real time with this app, which offers 42 retro looks, including dust and scratches, retro colors and flickering.

Turn your iPhone into a vintage photo booth and print your strips directly from the app via a compatible printer.