StrumForge

StrumForge is a guitar chord progression generator for practice, songwriting, and improvisation. It is built around generating and practicing guitar chord progressions instantly, with the progression, diagrams, and playback kept in one workflow.

The app includes interactive chord diagrams, scale diagrams across keys and modes, rhythm tools, and groove playback. It can generate progressions in any key or mode, and its controls include key, mode, chord shapes, chord color, and left-handed diagram options. The interface also shows tempo controls, meter choices such as 4/4, 3/4, and 6/8, and playback features for rhythm, chords, scale playback, and metronome use. The page also describes practice support with timing and tempo visible alongside chord changes, songwriting support for generating a starting point and replacing one chord, and improvisation support that keeps scale context near the progression.

Several guitar-focused topic hubs are listed, including guitar chord progressions, guitar chords, guitar keys, guitar theory, guitar modes, guitar songwriting, and guitar practice. These sections mention genre, mood, and progression examples; chord notes, fingerings, voicings, and related chords; diatonic chord families, common progressions, barre notes, and scale context by key; roman numerals, diatonic chords, circle of fifths, borrowed chords, and dominants; and modal sounds through progressions and guitar-specific vamps. The app also includes Favorites, Practice Sessions with history, stats, and manual sessions, and a tuner with real-time microphone pitch detection.

StrumForge is available as native apps and is listed for web, iOS, and Android. Pro access adds unlimited chord progression generation, saved favorites, more sounds, sync across devices, additional scale diagram views, dark mode, advanced scale tools, more grooves and rhythm options, more guitar sounds, and custom defaults. Pro plans are shown as $49.99 lifetime, $24.99 per year, or $1.99 per week after a 7-day free trial. The page also states that StrumForge Pro can be used by signing in on web, iOS, and Android.