The app is compatible with the iPhone 3GS, iPhone 4, iPhone 4S, and iPod touch 3rd generation and above, and walks you through the 3D picture-taking process through on-screen directions and prompts.
The app has face detection to make sure everyone is in the frame before capturing a photo, and takes photos that can be viewed later using stereoscopic glasses (the kind with the multicolored lenses).
For those without glasses on hand, Snapily3D also offers a "cross-eyed mode" for taking and viewing 3D photos and videos glasses-free.
Pictures and video can be instantly shared from within the app on Facebook, Twitter, Flickr, and YouTube.
Snapily3D is available now in the App Store for US$1.99.
If you'd rather have your 3D capabilities built-in, the LG Optimus 3D also captures 3D videos and pictures. It has a glasses-free 3D screen, however, which allows you to view those photos and videos on the phone in 3D without having to tote around a pair of stereoscopic glasses.