PCalc 2.7 ($10) - PCalc is an advanced calculator that includes additional features not found in the iPhone's default calculator. Version 2.7 includes a new Ticker Tap feature that shows a history of recent calculations underneath the main display. A basic horizontal layout has also been added for the iPhone and iPod touch, and a problem dividing negative non-decimal numbers has been resolved. [Download - 5.1MB]

Ski Safari 1.2 ($1) - Ski Safari puts players in the role of Sven, a skier who must stay ahead of an oncoming avalanche. While travelling downhill players can receive assistance from different animals, as well as complete objectives to level up Sven. The latest release includes two new booster types that can help players stay ahead of the avalanche. Elf and Santa costumes have also been added to the shop, along with a replica of Santa's sleigh and a holiday themed snowmobile. [Download - 36.1MB]

SoundHound Infinity 5.2.1 ($7) - SoundHound Infinity is a music recognition tool that can identify songs by listening to them for a few seconds. After identifying a song the app provides users with the song title, artist, lyrics, and a link to purchase the song in iTunes. Overall search speed and accuracy has been improved with this update, and numbers bugs have been resolved. [Download - 9.1MB]

Fantastical 1.0.1 ($2) - Fanastical is a calendar utility that allows users to create events by explaining events in basic English. For example, a user can enter "Lunch with John at 123 Main Street on Tuesday," and the software will add all of the relevant information to a new event. The v1.0.1 update adds default alarms, and now displays Facebook badges on all Face book events. DayTicker performance has also been improved and a crash that occurred when loading a large number of events has been fixed. [Download - 5.9MB]

Angry Birds HD 3.0 ($3) - Angry Birds is a physics-based puzzle game where players take control of a fleet of irritated birds. Thirty brand new levels have been addd with the latest release, broken down into 15 Birdday Party levels and 15 Bad Piggies levels. Full support is also included for the iPhone 5. [Download - 45.4MB]