[iPhone God App] It was found using the GuitarToolkit actually

■ NEW: Jump start your chord & rhythm skills! The Chord Sheet Store delivers professionally-crafted learning content based on GuitarToolkit's powerful interactive Chord Sheets.
■ The most comprehensive & highly-rated guitar tool in the App Store!
■ Best-of-breed tuner, huge chord / scale / arpeggio library, flexible metronome

Lighten your gig bag! GuitarToolkit delivers all your essential guitar tools—tuner, metronome, chords, scales & arpeggios—beautifully implemented for iPad, iPhone and iPod touch.

FEATURES
■ Supports all your instruments! 6-, 7- and 12-string guitar, 4-, 5- and 6-string bass, banjo, mandolin, and ukulele, each with standard & alternate tunings.
■ Tuner, chords, scales & arpeggios automatically adapt for the selected instrument & tuning.
■ Superb chromatic tuner, every bit as accurate as dedicated hardware tuners but far more flexible.
■ Massive library of over 2,000,000 chords, scales and arpeggios. Strum chords and tap notes to hear what they sound like.
■ Precision metronome can run in background while using other GuitarToolkit features or other apps.
■ Chord finder answers the question, "What chord is this?"
■ Universal: buy once and use on your iPhone, iPad & iPod touch
■ And so much more!

THE GUITARTOOLKIT+ UPGRADE ENABLES:
■ Chord Sheet Creation & Editing: Create chord progressions from GuitarToolkit's vast 2,000,000 chord library. Tap to add chords, easily email your Chord Sheets to bandmates or students. Interactive chord playback, just touch to hear your chords play.
■ Drum Pattern Creation & Editing: Create rich, exciting drum patterns for practice and jamming. Custom-build patterns with up to 32 tracks and 75 different drum sounds.
■ Custom Instruments: Create virtual instruments inside GuitarToolkit that look and sound like your real-life instruments!