Fret Hero

Fret Hero is a focused practice tool for guitarists who want to truly know their fretboard — not just memorize patterns, but hear, see, and identify every note and interval in real time.

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🎸 NOTE RECOGNITION
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Pick a note on your guitar and Fret Hero listens. The app detects the pitch through your microphone and tells you instantly whether you got it right. No buttons to tap, no delays — just play and learn.

Work through every note on every fret across all 6 strings. Use String Mode to lock in one string at a time, or enable the Natural Notes filter to drill only the natural notes (A B C D E F G) before adding sharps and flats.

Stuck? Tap Hints to see every position for the target note highlighted on the fretboard.

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🎯 INTERVALS QUIZ
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Two dots appear on a fretboard diagram. Your job: name the interval between them.

Every shape shown is a real, physically playable guitar position — fret spans are kept within reach, and the root note is always the higher string so you can see exactly how intervals sit on the neck. From Minor 2nd to Octave, including all 7ths. This is ear-training meets fretboard knowledge, the way guitarists actually use it.

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🔧 BUILT-IN TOOLS
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Chromatic Tuner — fast, accurate needle tuner for all 6 strings. Works with the same microphone as the note trainer.

Metronome — adjustable from 40 to 240 BPM with a clean tick. Set your tempo and keep it.

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📊 TRACK YOUR PROGRESS
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Every practice session shows:
• Current score and longest streak
• Average seconds per correct answer
• A running strip of your last 5 notes
• Your all-time best score, saved between sessions

No accounts, no cloud — your progress is stored locally on your device.

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✅ OFFLINE & PRIVATE
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Fret Hero works with zero internet connection. There are no in-app purchases, no analytics SDKs, and no data ever leaves your device. Install it once and use it anywhere — on stage, in a quiet room, or on a flight.

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WHO IT'S FOR
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• Beginners building their first map of the fretboard
• Intermediate players who rely on patterns and want to break that habit
• Advanced players sharpening interval recognition and relative pitch

Download Fret Hero and start knowing your fretboard — not just playing on it.