Spotify 0.5.5 (free) - Spotify for the iPhone/iPad gives users instant access to millions of songs, and can be used while either offline or online. The latest 0.5.5 version adds the ability to sort playlists by track, album, or artist, and includes improvements to both the settings and to the speed in which the Radio loads. [Download - 20.2MB]

WhatsApp Messenger 2.8.3 ($1) - WhatsApp has launched an update of its cross-platform smartphone messenger for iOS devices, WhatsApp Messenger 2.8.3. The new release offers better message encryption when using a Wi-Fi connection, as well as interface improvements, and improved translation of Korean, Chinese, and many other languages. [Download - 10.8MB]

E.R.A 1.0.2 ($3) - E.R.A is a new tower-defense game for the iPhone and iPad, where players use powerful Forces to eliminate enemies. Currently, the game sports 40 playable levels, and includes three different game modes known as Campaign, Quickplay, and Endless. It also contains 30 unique enemies and multiple boss fights. [Download - 170MB]

Hotel Tycoon2 HD 1.0 ($4) - A new hotel-management simulation game has recently became available for download, Hotel Tycoon2 HD. The game includes seven virtual cities with 22 customizable hotels spread throughout, unlockable Game Center achievements, and the ability to compete with up to four AI players in Free Play mode. [Download - 99.4MB]

Vintagio 4.0 ($1) - MacPhun recently announced Vintagio 4.0, a major upgrade to its retro video app for the iPhone, iPad, and iPod touch. Features of the update range from new and improved video filters to additional soundtracks, and include enhanced editing tools, a new user interface, and faster video processing. [Download - 27.4MB]