Jam Assist: Scale Finder
Hear it, see the fretboard
About
This app listens to music and identifies the key, scale, and mode being played. It then visually displays these scales on guitar, bass, and piano fretboards, highlighting notes as they sound. It's designed for improvisation and learning musical scales by ear.
What's New in Jam Assist
1.4
July 18, 2026
The screen now stays awake while listening, and it keeps working after you plug in headphones, take a call, or switch apps.
Developer apps
FAQ
What key is this song in?
Jam Assist listens to the music playing and names the key it hears. It focuses on identifying the key, scale, and mode rather than chords.
What scale is this?
Jam Assist identifies the scale and mode being played, providing the degrees relative to the root note. It then displays this scale on your chosen instrument's fretboard.
Does Jam Assist name chords?
No, Jam Assist does not name chords. Its primary function is to identify the key, scale, and mode of the music it hears.
Does Jam Assist need internet?
No, Jam Assist works fully offline on your device. It does not require an internet connection for its core functionality.
Is Jam Assist a tuner?
No, Jam Assist is not a tuner. It listens to music and shows you the scale to play, rather than providing tuning information.
What scales can Jam Assist recognize?
Jam Assist recognizes major and minor scales, all seven modes (Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian), major and minor pentatonic, blues, hirajoshi, insen, and whole tone scales.
How does Jam Assist display scales?
It displays scales on guitar (EADGBE), bass (EADG), and piano keyboards. Only the notes within the detected scale light up on the fretboard as they are heard.
What is the update frequency for Jam Assist?
The app was last updated on July 13, 2026, indicating active development. Users can expect regular updates to improve functionality and add new features.