mScribble has built-in knowledge of the rules of harmony, melody and rhythm in various music styles. The user can play an infinite variety of expressive melodies while accompanied by the app by tapping and sliding over the entire touch screen.
GPS Device Data provides all the GPS information available to the iPhone on one easy to read screen. Data fields include latitude, longitude, course, altitude, speed, location accuracy and altitude accuracy.
MailShot is a unique app which allows iPhone and iPad users to email groups of up to 50 people from within their favourite apps just by selecting a single contact from their address book.
The Third Rail System includes a Slim Case for the iPhone 4 with a slide-on Smart Battery that allows you to add power when you need it and remove it when you don't.
Google Plus Photo Importer for iPhone lets you import 100 photos to your Google+ in less than a minute from Facebook, Instagram, Flickr, and Photobucket.
Evidence found in the iOS 4.3 firmware just released today reveals that the iPhone 5 will likely get the same A5 dual core processor used in the iPad 2.
Garmin has released Garmin StreetPilot for the iPhone which offers navigation features similar to the premium features on its nüvi personal navigators.