Enhance your guitar knowledge and practice routine with the FretRef app Features: - An intuitive Guitar fretboard simulation with box shape pattern visualisations, auto-play feature and an exhaustive library of scales and chords - Numerous custom tunings for multiple number of strings - Realistic guitar tone generated in realtime, no sample downloads required - Includes a harmonisation tool with scale-chord compatibility chart computation for all chords and scales as a handy feature for song-writers, composers - Includes a virtual jam buddy for your guitar practice with the AutoStrum feature - Create & record backing tracks using numerous chords with variable tempo & rhythms and a plethora of drumloops, or just practice along your lead guitar skills - Custom options include 5, 6, 7 & 8 strings - Right and left-handed orientation - Musical scales include: Major scale with the modes- Dorian, Phrygian, Lydian, Mixolydian, Aeolian & Locrian, Melodic Minor scale with its modes, Symmetrical scales, Harmonic scales, Pentatonic scales and many more - Chords includes 5th, Major, Minor, 7th, 9th, 13th and many more along with inversions and slash chord and omit notes option for extended chords - Custom tunings include Standard, DADGAD, Open, Crossnote, Modal, Major seconds, Minor thirds, Major thirds and many more - International notations include English, German, Spanish, Indian, Japanese, Japanese (Romanji), Korean, Korean (Romanji), Cyrillic and French - Premium features include full library unlock, progression & strumming pattern save, and the ability to record backing tracks from the AutoStrum feature (with subscription as well as one time full purchase options) Terms and Conditions (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/