Awesome Calendar 1.5 ($2) - Awesome Calendar 1.5 is a new version of the event creation and management app with Google Calendar support. In the latest update several new features have been added, including 72 additional stickers, customizable theme colors, and the ability to edit and re-order to-do items. Lastly, a new option is available that duplicates events so they can be reused later. [Download - 7.5MB]

Instapaper 4.0.2 ($5) - Instapaper for the iPhone/iPad enables users to download important news articles or web pages when a Wi-Fi or 3G connection is available, so they can be viewed later while offline. With the newest 4.0.2 upgrade images now work with VPS and proxies, optional subscriptions can now be purchased in three, six, or 12 month intervals, and support has been added for the “Speak Selection” accessibility feature in iOS 5. [Download - 10.1MB]

Zuma Revenge Pro 1.0 ($1) - Zuma Revenge Pro is a new iPhone and iPad version of the popular match-three puzzle game. The object of the game is to match three or more bobbles that have the same color in order to eliminate them. Features range from 72 different levels spread across 16 maps, to a multiplayer mode that supports up to four players. An HD mode is included as well, for those wanting more high-quality images. [Download - 41MB]

Carcassonne 2.42 ($10) - TheCodingMonkeys has announced Carcassonne 2.42, an upgrade to its digital board-game for iOS devices. With this release comes multiple improvements and new features, such as enhanced networking for 3G networks that compress and block traffic, and a new strategic element added to the gameplay called “The River." For those who find the game too difficult, a new option is available that enables users to play a simplified version. [Download - 161MB]

iVoxel 2.0 ($6) - VirSyn Software recently launched a new version of its voice optimized synthesizer and vocoder, iVoxel 2.0. Included in this update are improved sound quality with analog oscillators, real-time pitch following, and a new polyphonic sequencer. Additionally, a new user interface has been introduced in this upgrade, and includes support for Soundcloud integration and WIST synchronization. [Download - 22.9MB]