FABULUS Reverse chord finder for iPhone

Quick summary

FABULUS — Reverse Chord Finder is a mobile utility built for guitar players who want to identify, name, and explore chords quickly. Whether you’re analyzing a fretboard by ear or searching for fresh voicings, the app provides clear visual feedback and practical tools to speed up learning and composition.

Extensive chord collection

• Access a library of more than 100,000 chord shapes, including all common chord families, fingerings, and inversions.
• Explore complete chord descriptions that explain each note’s harmonic role within the chord.

Interactive fretboard and recognition

• Tap two or more notes on the fretboard and the app instantly identifies the chord and labels each selected note.
• Color-coded indicators and intuitive symbols make it easy to see note functions and finger positions at a glance.

Tunings, capo and playback controls

• Choose from 18 preset tunings or add your own custom tuning configurations.
• Use the capo tool and key transposer to adapt shapes to different keys, and play any chord back at variable speeds for practice.

Fast search and compositional aids

• Use the Express Search feature to scroll the fretboard and reveal basic chord positions instantly, great for identifying unknown chords by sight or ear.
• Build chord grids and experiment with progressions while listening to the results in real time.

Practice features and privacy

• Train your ear with the included quiz modes that exercise both relative and absolute pitch recognition.
• The interface supports multiple languages, is designed to be simple and visual, and does not collect personal user data.

Additional notes and getting the app

FABULUS can also serve as an alternative music player with convenient playback options for practice sessions. Download it to expand your chord vocabulary, streamline transcription, and improve your overall guitar skills.