Google+ 3.1 (free) - Google+ 3.1 is an updated version of the popular social networking tool for both the iPhone and iPad. With this update teens can now join/create Hangouts, and web links in posts are now designed to open in Chrome (if installed). Lastly, the Instant Upload feature has also been improved. [Download - 17.1MB]

Angry Birds Seasons HD 2.5.0 ($3) - Rovio Entertainment recently unveiled a 2.5.0 version of its physics-based puzzle game for the iPad, Angry Birds Seasons HD. The new release introduces 20 additional levels to the game, which focus around going back to school. Other changes include a new bird to try and new theme music. [Download - 35.5MB]

iBooth 3.0 (free) - iBooth is designed as an iOS-based photo editing tool with customizable real-time effects and photo sharing capabilities. The latest 3.0 version offers several new effects including Oil Paint, and Fish Eye, as well as major performance optimizations, and enhancements to the user interface. [Download - 3.2MB]

Solar Walk 2.0 ($1) - Vito Technology has introduced a major upgrade to its 3D solar system model for the iPhone/iPad, Solar Walk 2.0. The update provides more images from ESA and ESO, as well as new objects to view, and the ability to see the internal structure of planets. Additionally, new multi-touch gestures are also available. [Download - 341MB]

Random Heroes 1.0 ($1) - A new action platformer is now available for the iPhone, iPad, and iPod touch, called Random Heroes. The object of the game is to save Earth by defeating monsters from another dimension. Features range from over 30 playable levels to Game Center support, and include up to 15 characters to choose from. [Download - 9.2MB]