Nevercenter Ltd. Co. has CameraBag 2 (iTunes Link) for the iPhone and iPod Touch and CameraBag 2 HD for iPad in the iTunes App Store for FREE (regularly $1.99 / $3.99)for a limited time.

CameraBag 2 is the world’s first hi-fi photo app, featuring a massive number of the highest-quality styles and adjustments in an elegant, minimal interface. Apply styles quickly and adjust infinitely. Download free new styles to your heart’s content from the online Style Library, with new styles added regularly.

Unlike all those lo-fi photo apps, CameraBag 2 is hi-fi, because it’s built on the same 32-bits-per-channel Analog Engine that powers CameraBag 2 for Mac/PC, designed for professional photographers. This means your photos retain their smooth color gradations even when they’re heavily edited.

Once you’ve CameraBagged your photo just how you like it, it’s quick and painless to save your shot or share via Facebook, Twitter, and Instagram.

menschmaschine Publishing GmbH is again offering Tadaa SLR (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for FREE (regularly $2.99) for a limited time.

Now you can shoot SLR quality photos wherever you are! shoot, select the focus, and Tadaa!

Tadaa SLR brings you THE BEST depth-of-field and bokeh on the App Store.

Studeo410 has Night Vision Camcorder for the iPhone / iPod Touch / iPad for FREE (iTunes Link) for the iPhone, iPod Touch, and iPad in the iTunes App Store for FREE for a limited time.

This app takes real pictures and videos at the lowest luminosity without any additional appliances on iPhone. Sophisticated algorithm was developed during one year – now you can judge the result! The application works without any delays and lags. During the photo/video recording you can dynamically change camera sensitivity to achieve the best result as well as set any 1-8x zoom simultaneous to the recoding. The application has own library to organize photos and videos, and share them on the Facebook, DropBox and Tweeter.

Ajit Katti has Orient – The Self Aligning Camera (iTunes Link) for the iPad in the iTunes App Store for FREE (regularly $1.99) for a limited time.

Orient is a simple, elegant and professional way to capture upright pictures. Always! With nine different aspect ratios to choose from, you can now click flawless horizontal or vertical photos. You can apply cool live filters, click with front or back camera and share your creations.

Orient works like a charm! It auto-aligns the camera using the device’s gyroscope so that the orientation of the resulting picture is always straight. So you can now hold your phone the way you like and relish your special moments without having to worry about taking perfect snaps.

If you want the photos to appear in sync with your phone’s orientation, you can always disable the auto-orient option.