Hidenori Matsuoka has released version 4.0 of Guitar Kit for iOS, an app for searching guitar chord forms.

New in Guitar Kit 4:

• Picker (Scroll wheel) for selection of chord change to new designed "Scroll Cell".
• Implement "Duplicate Form" function. You can easily make new chord forms from an already existing chord form.
• Implement "Suggest Form" function at Make Tab. Guitar Kit suggest randomly new chord form contains selected notes on 1 octave keyboard.
• Implement "Suggest Name" function at Make Tab. Guitar Kit suggest some chord names for selected notes on 1 octave keyboard or all decided frets on guitar fret.
• Added light feedback animation for playing one note on a string.
• When you are showing user library at Make Tab, now you can scroll to top by tapping status bar.
• You can view changed accidental without your reselect a chord at Favorites Tab.
• Root note change color for easy distinction from other notes at Scale Tab.
• Text color change for readability at Help Tab.
• Now you can easily push "Show User Library" button and "Mute" button.
• Automatically scroll fret, when you change "Left Hand Mode".
• A minor bug fix for iOS 5.

Guitar Kit 4 costs $3.99. The update is free to Guitar Kit owners.