The much-lauded GuitarToolkit gives you a world-class chromatic tuner, scales reference, chords library and puts a metronome in your pocket. Recognized as a "Best of 2008" app by Apple, GuitarToolkit is one of the best values in the App Store. More »

For over 100 years, healthcare professionals have relied on The Merck Manual for essential information on diagnosing and treating medical disorders. Now, the Home Edition and Professional Edition applications provide the trusted information in a form that is convenient for consumers and healthcare professionals on the go. Designed specifically for the iPhone and iPod touch, both applications feature an easy-to-use interface for finding the right information quickly. More »

Star6 is a highly-addictive sound remix instrument that allows you to create an infinite variety of amazing sounds from your own samples or by using our free presets. Use the iPhone's accelerometer to control Star6's powerful granular synthesis engine to change the Pitch, Speed, Gate, Sample Order, Sample Size and Randomness of the samples. Record it all with the press of a button and download recordings to your computer in a flash. More »

The perfect companion to GuitarToolkit, TabToolkit is an incredibly powerful app that let's you read and play tablature files on your iPhone or iPod touch. With built-in tab file upload and download capabilities, instrument synthesis and full tempo controls, TabToolkit is a fantastic tool for learning to play new music. More »