Plex 3.0.1 ($5) - Plex can be used to stream music, videos, and photos from any home computer running the Plex Media Server. Version 3.0.1 includes two minor changes and a host of bug fixes. The keypad button is now positioned on the main app toolbar instead of inside the player selection view, and the selection view now uses a more standard vertical list. [Download - 12.3MB]

DJ Player 5.5 (free) - DJ Player provides users with tools for mixing their own music, including two decks, two effects engines, and a mixer. Additional background options have been added to the free version, along with coloured time displays on playback and support for automatically backing up databases to iTunes Sharing. Meanwhile, the paid upgrade has received DVS Control options, adjustable frequency, rpm, and phase options, and the ability to map the input selector and DVS FX to MIDI. [Download - 2.7MB]

Airbnb 2.3 (free) - Airbnb is a community market place that can help users find space to rent around the world. On top of finding spaces to rent, users can also list their own locations and earn money by renting out the space. The v2.3 release is now available in more than 27 languages, including Swedish, Norwegian, Bahasa Indonesia, Chinese, and Japanese. In addition, the ability to pre-approve guests directly form the app and to save popular messages for re-use has been added. [Download - 21.7MB]

Sparrow 1.3.4 ($3) - Sparrow is an e-mail client that features pane navigation, a threading system, and gesture support. The software also includes full support for both IMAP and POP e-mail accounts. A crash that occurred when contacts access wasn't allowed has been resolved in this release. [Download - 11.1MB]

Spellword 1.0 ($2) - Spellword is a word game where players can compete against CPUs and other players. The game fully supports the iPhone, iPod touch, and iPad, and features Retina optimized graphics. Version 1.0.1 includes all new battle music as well as several small user interface improvements. [Download - 65.9MB]