Fretcetera vs FretCipher

Fretcetera is musical calculator that uses algorithms to connect you to chords, scales and progressions on a variety of string instruments in any tuning! This is not just a chord book. Fretcetera computes every way to play chords or scales in any tuning, and returns the top results based on their playability. Fine-tune results by configuring your instrument exactly as you play it. Enter personal preferences and constraints. Select from common tunings or create your own! Build progressions to listen to chord transitions, and even get suggestions based on the chords you are playing!

Master the guitar fretboard. See how music theory actually connects. FretCipher is an interactive guitar fretboard, music theory reference, and training tool designed to help guitarists understand what they’re playing—not just memorize patterns. Explore scales, modes, chords, triads, intervals, and note relationships directly on the fretboard. Whether you’re learning your first scale positions, connecting shapes across the neck, studying chord tones, or trying to finally understand how music theory applies to guitar, FretCipher makes it visual. SEE THE ENTIRE FRETBOARD Choose a key, scale, or mode and instantly see the notes and intervals mapped across the neck. Move between positions or view the larger pattern to understand how everything connects. EXPLORE CHORDS & TRIADS Visualize chord tones, triads, inversions, and different voicings on the fretboard. See where the root, 3rd, 5th, 7th, and other intervals actually live beneath your fingers. LEARN SCALES & MODES Explore major and minor scales, pentatonics, modes, and other useful scale patterns. Switch between note names and intervals to study the fretboard from different perspectives. TRAIN, DON’T JUST STUDY Interactive games and quizzes help turn fretboard knowledge into instinct. Practice identifying notes, intervals, triads, positions, key signatures, and more. BUILD YOUR OWN Create and save custom scales and note combinations for the sounds and concepts you want to explore. MAKE IT YOUR FRETBOARD Customize the appearance of the fretboard with your own color schemes so roots, intervals, and important notes stand out the way you want them to. SAVE & EXPORT Save your favorite scales and configurations, then export clean fretboard diagrams for practice, teaching, songwriting, or reference. FretCipher is built for guitarists who want to go beyond memorizing boxes and start understanding how the fretboard works as one connected musical system. See it. Understand it. Play it.