FretMaster - Guitar Fretboard

Still memorizing fretboard patterns? FretMaster uses cognitive science to help you truly master the guitar fretboard.

Why FretMaster?

Science-Based Learning Using Anchor Point Theory and Octave Triangulation, master more notes with less memorization. Understanding, not rote learning.

Anti-Forget Algorithm Built-in Spaced Repetition System (SRS) automatically adjusts review schedules based on your response time. Never forget what you've learned.

Real Guitar Practice Microphone input support for real-time note detection. Learn by playing, not just reading.

28-Day Structured Course 10-15 minutes daily, from open strings to full fretboard mastery. Week 1 covers E & A strings, Week 4 unlocks free improvisation.

Course Highlights

• Week 1: Foundation - Master low E and A strings
• Week 2: Octave Derivation - Use geometry to find notes
• Week 3: B String Mastery - Conquer the B string anomaly
• Week 4: Accidentals - Sharps, flats, and upper frets

Features

• Fretboard heatmap visualization
• Real-time audio recognition
• Adaptive difficulty
• Achievements & progress tracking
• Dark mode design

Stop knowing notes you can't play. In 28 days, the fretboard becomes your second instinct.

[Auto-Renewal Service Statement] Payment: After the user confirms the purchase and makes payment, the fee will be charged to the iTunes account; Renewal: The Apple iTunes account will be charged within 24 hours before the subscription expires, and after a successful charge, the membership will be extended for another month. Cancel Renewal: To cancel auto-renewal, please manually turn off the auto-renewal function in iTunes/Apple ID settings management at least 24 hours before the current subscription expires. If canceled within 24 hours before expiration, the subscription fee will be charged.

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