Here are the latest iPhone/iPod touch/iPod/iPad apps announced. You can find ’em at the Apple App Store (

Urban Anomaly has announced Invoice Robot 1.0, an iPad and iPhone application for creating and transmitting stylish, professional invoices in PDF format. The US$1.99 app provides a calculation template that can also be used for proposals, quotations and receipts.

Viaden Mobile has released Sleep Tracker 1.0, a $0.99 app for iOS devices. It will record noise and light disturbances that happen at night. This makes it possible to play back the noises and flashes of light and overlay the recording with the graph of the user’s sleep cycle. Having this information at hand, users are then able to make appropriate improvements to their sleeping environment.

Libero Spagnolini has introduced FaceMan 1.0, a $1.99 video effects app for iPhone and iPod touch users. It does Photoshop-like video effects. FaceMan also comes with a built-in album that lets you collect all your effects. You can even save a picture to the Photo Album app or share it by email.

iMagine machine has unveiled Faces iMake-Premium! 1.0 for iOS devices. Developed in conjunction with internationally renowned author and illustrator Hanoch Piven, the $2.99 app is based on his Art Workshops. Users can manipulate and distort their own pictures taken with their iPhone camera or upload them from their library, adding a whole new social gaming aspect to the app.

Gwiggle is a new $0.99 baby book iPhone app that lets parents capture and maintain records of those moments with the kiddos. You can also use it to add important information for parents with the Dr.Gwiggle section, which allows you to record necessary vaccination details, phone numbers and dates and information.

Phenom Studios has debuted Bilboquet 1.0 for the iPhone and iPod touch. The $0.99 allows you to control the popular toy in a virtual representation. The goal is to manage the balance and make as many hits as you can, unlock five bilboquets and share your records through the social network OpenFeint. The game is created using iTorque 3D Game Engine and there is four Bilboquets to unlock including: Ice, Lava, Ball Cup and Kendama with different hit special effects and level background picture.

The Tax & Accounting business of Thomson Reuters has rolled out Mobile CS, a free iPhone app for tax and accounting professionals. Using mobile application technology, this comprehensive practice management tool extends the reach of Practice CS from the desktop to iPhone, giving more than 60,000 Practice CS users the ability to access key firm, staff, and client data anytime, anywhere.

Serenity Integration has announced integration of Wahoo Fitness’s new Fisica Fitness Sensor Key, a new product that interfaces the iPhone with any ANT+ fitness device, into its Jog Log application. Users will now have the option of monitoring their heart rates during their Jog Log fitness session. Besides heart rate monitoring, Jog Log’s features include GPS tracking of all runs, custom workouts with interval timers, with a multitude of tracked data displays and much more. Jog Log 1.4 is currently on sale for $0.99; it’s normally $4.99.

Houghton Mifflin Harcourt (HMH) has announced a year-long pilot of the first-ever full-curriculum Algebra app for the iPad. The pilot also represents the launch of HMH Fuse, a new mode of curriculum delivery where “interactive platforms and mobile devices bring learning to life for students by moving beyond the one-way experience of a print or digital textbook.” To learn more, go to .

MultiEducator, has released Builder Pro 2.0 for iOS devices. It’s the latest version of the $17.99 reference, formula, and calculation app for builders. It contains the: International Building Code, International Plumbing Code, International Mechanical Code, and part of the Americans with Disabilities Act Code and the National Electric Code.

JBMJBM has announced Prank Me! 1.08, an update to their $1.99 iOS app. It allows the user to choose a fictitious character, create a prank telephone script, and then generate a professionally voiced prank phone call, which can be made anonymously. Version 1.08 features 22 additional characters added which brings the total to 48 characters and over 1,100 audio sayings to choose from for pranking.