LOCPix 1.1 ($1) - LOCPix is a new iPhone/iPad app that allows users to search and view digitized photo collections from the Library of Congress. The app contains hundreds of thousands of photographs and historical poster artwork to browse through, some in high-resolution. Recently, a 1.1 upgrade was released for the app that delivers more image information, pinch/zoom functionality, and larger image sizes. [Download - 2.1MB]

iFax Pro 4.6 (free) - Maplewoods Associates has unveiled iFax Pro 4.6, a new version of its iPhone and iPad tool that enables users to send and receive faxes. Features of the upgrade range from Landscape fax-creation capabilities to optimized preview and quick-fax viewer functions, as well as added support for AirPrint. Additionally, users can now fax Transmission Reports for both sent and received faxes. [Download - 58.5MB]

Hipstamatic 235 ($2) - Hipstamatic is designed to offer the same shooting style as old toy plastic cameras, combined with more advanced lens swapping and flash technology. In the latest 235 update, users can save lens/flash/film combos in the favorites section for quick and easy access. Support has also been added for HipstaSave, which can be used to recover any prints that weren't finished processing during the event of an app crash. [Download - 18.2MB]

PDFpen 1.0.1 ($10) - PDFpen, a popular desktop PDF editor from SmileOnMyMac, is now available for the iPad. The new mobile version of this app makes it possible for users to read and edit PDF documents, as well as add text, images, and signatures to PDFs. File-sharing is also supported via iTunes, WebDAV, and iDisk, or users can simply retrieve and save PDFs directly with Dropbox, Evernote, and Google Docs. [Download - 8.5MB]

Zombie Bunnies 1.0 ($1) - Zombie Bunnies is a new physics-based strategy game where players take on the role of the Evil Dr. Hare, as he tries to destroy the townspeople using lethal zombie bunnies. The game features 99 levels of difficulty, and four different zombie bunnies to unlock and control. Both leaderboards and achievements are also available via built-in GameCenter suport. [Download - 13.5MB]