Twitterrific for Twitter 4.4.6 (free) - Twitterrific for Twitter 4.4.6 is a new version of the popular twitter client for iPhone, iPad, and iPod touch devices. With this upgrade comes a new “Summarize” URL tap-and-hold option for users who have Summly installed, as well as improved handling of tweet gaps in the timeline. Several bug fixes are also included, which enhances compatibility with iOS 5. [Download - 7.3MB]

Remarks 1.0 ($5) - Readdle has launched a new note creation and editing tool for the iPad, Remarks. Through the program users can keep a record of their thoughts, annotate documents, and customize notes with a variety of highlighters, floating text boxes, and shapes. A built-in co-edit function allows users to edit notes made by other Remarks users, and to share notes with friends via e-mail. [Download - 17.8MB]

Robokill 2: Leviathan Five 1.0 ($1) - Robokill 2: Leviathan Five is a sequel to the arcade-style shooter game for iOS devices. It features over 600 enemy filled rooms spread over 12 different missions and three chapters. When compared to the previous version the game offers more than 25 additional enemies, along with tons of new pickups and powerups. An in-app purchase system also enables users to level up early and purchase upgrades quickly. [Download - 53.8MB]

AcePlayer 1.05 ($3) - AcePlayer is designed to support almost any video and audio file format, and allows users to stream movies directly on iPhone/iPad. The latest version adds a new “Open in” feature, which enables users to open unknown files in other applications. Additional changes include support for the .ape file format, the ability to display playback time in the detail of the movie files, and support for hiding password folders in the settings. [Download - 27.4MB]

Rogue Racing 1.0.3 (free) - Glu Games recently unveiled a new racing game for iOS devices, Rogue Racing. The game delivers 24 different customizable cars ranging from hot rods to muscle cars, which can be used for any of the three game modes including Street, Time-Attack, and Elimination. When customizing cars players can alter the rims, spoilers ,exhausts, intakes, decals, paintjobs, and even add neon ground effects. [Download - 77.9MB]