StringMaster Pro 4+

StringMaster Pro is your all-in-one fretboard lab for iPad and Mac. Trusted by 150,000+ players and previously #1 Music App in 34 countries, it helps you see, hear and use the neck—fast. Explore chords, chord tones and scales, write progressions, stay tight with a chromatic tuner and metronome, compare instruments, and even light parts on a wireless Fretlight® guitar.

Play • Learn • Create
• Chords & voicings: Build and discover clean fingerings, inversions and chord tones—then preview on the fretboard.
• Scales & modes: Map any scale across the neck and practice scale runs up the fretboard.
• Chord tones: Visualize target tones inside any shape to make theory musical.
• Songwriting tools: Progression builder with suggested changes to spark ideas.
• Practice tools: Accurate chromatic tuner and metronome—both playable in the background.
• Smart naming: StringMaster’s chord-naming algorithms identify shapes from finger positions.
• Note Finder: A unique view to learn notes and relative positions, fast.

Instruments (and sounds)

Guitar (acoustic/electric—including 7/8-string), bass, banjo, mandolin, ukulele, piano/keyboard, balalaika and more. Switch tunings, apply capo, and flip orientation—any instrument, any way. Choose natural tones or mix in distortion, reverb, or piano sounds for any instrument.

Piano + Guitar together

StringMaster 4 adds piano keyboard support—see guitar chords mapped directly to keys so you can arrange across instruments.

Compare & master

Line up chords, patterns, fingerings and tunings across instruments to truly understand the relationships on each neck or board.

MIDI in, music out

Output MIDI from notes you play and jam with MIDI tracks from the built-in library.

Fretlight Ready™

Send notes, chords and scales over Bluetooth to compatible Fretlight® guitars and light up the fretboard in real time. Learn more at fretlight.com.

Why StringMaster Pro?
Because it puts everything you need—chords, scales, chord tones, songwriting, tuner, metronome, instrument comparison—into one clear, fast workflow on both iPad and Mac.

Note: Fretlight Ready™ designates that an app can send its data over Bluetooth to a Fretlight® guitar and light its fretboard. To learn more about Fretlight guitars go to www.fretlight.com

This Application is developed and maintained by Great Apptitude, an independent app developer for use with the Fretlight Guitar. Optek Music Systems, the owner of the Fretlight Guitar brand, accepts no responsibility for the development, maintenance or support for this Application.