FretTools: Guitar Toolkit

FretTools Gear Tracker. Diagnostic Tuner. Chord Library.

GEAR TRACKER Your gear documented and accessible when it matters.

• Track guitars, basses, amps, pedals, and more • Store serial numbers, specs, purchase details, values, and notes • Attach photos to each item • Record string changes with brand, model, gauge, and date • Log maintenance, repairs, setups, and modifications • Export a formatted PDF with with gear details for insurance or resale.

DIAGNOSTIC TUNER - FREE. ALWAYS. Tune accurately and get useful feedback about string condition and intonation.

Responsive tuning for guitar, bass, ukulele, banjo, mandolin, violin, and more.

• Real-time note and cents display • Strobe-inspired ring for clear sharp/flat feedback • Instrument-specific tuning presets • Harmonic Lanes for detailed pitch analysis

String Diagnostics: • String Health evaluates tuning stability and harmonic agreement • Intonation analysis helps reveal possible setup inconsistencies • Save diagnostic history to a selected instrument • Compare readings across the life of the current string set • Start a new session when you log a string change

String Diagnostics provide guidance and do not replace a full instrument inspection or professional setup.

CHORD LIBRARY Find chords quickly across multiple guitar tunings, ukulele, and mandolin.

• 2,500+ chords with 3,200+ voicings • Clean diagrams with finger positions • Open chords, barre chords, inversions, and alternate voicings • Slash chords with alternate bass notes • Browse by root, chord type, category, or key • Diatonic chords grouped by harmonic function • Play full chord strums • Tap individual notes to hear them in isolation

WHY FRETTOOLS • Three practical tools in one app • Works offline • No account required to get started • Clean, focused interface • Built for working musicians and hobbyists alike

FREE → PRO

The Diagnostic Tuner is unlimited and always free.

Upgrade to Pro for:

Gear • Unlimited gear items • Up to 8 photos per item • Maintenance and string-change tracking • PDF export

Chords • Additional voicings and inversions • Slash chords • Full key-based browsing

Additional • Removes ads

THE BOTTOM LINE Track your gear. Tune and diagnose your strings. Find the chords you need.

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