Guided chord flow
See the current chord, the next chord, and inversion labels at a glance. Auto-play with BPM timing or step manually.
Now + Next
Fretboard fluency in motion
Triads mapped across the neck, without the theory overload.
Triad Trainer guides short practice loops with the current chord, the next chord, and the inversion you need to land. Filter the fretboard, lock in the tempo, and make every transition feel inevitable.
Am
C
G
F
Dm
Practice mode
Key: A minor
92 BPM
Current
Am
Root position
Next
C/G
1st inversion
Back
Play
Next
Loop
Custom session
Am - C - G - F
Features
Everything you need to keep triads on the rail.
Designed for real practice sessions: visual fretboards, flexible filters, and just enough automation to keep you moving.
Fretboard filters
Toggle strings, restrict frets, skip open strings, and preview background notes so the shapes stay focused.
Windowed practice
Custom sessions
Type a progression in plain text, set BPM, bars per chord, and loop behavior. Save sessions for instant starts.
Your progressions
Capo Match
Transpose to match another player using a capo while keeping the same shapes under your fingers.
Transpose on the fly
Voice control
Optional commands for next, back, play, pause, and stop so you can keep your hands on the guitar.
Hands-free
Local-first library
Sessions and settings stay on your device. No accounts, no syncing, no friction.
Offline ready
How it works
A calm practice loop that locks in muscle memory.
Pick a key, focus the fretboard, and repeat until the neck feels obvious.
01
Set the tempo
Choose a key, set BPM, and decide if you want auto-play or manual control.
02
Track the shapes
Follow the fretboard map for R, 3, and 5 as the app advances the sequence.
03
Loop and level up
Keep looping until the move feels effortless, then widen the fret window.
Session builder
Type a progression. Press play.
Triad Trainer accepts flexible chord entry (spaces, commas, dashes). Set bars per chord and loop length, then save it for tomorrow's warm up.
Bars: 2
Loop: on
Sound: arp
Tonight's practice
Am - C - G - F
Dm - Am - E7
Get the app
Ready to practice with less friction?
Triad Trainer is in active development. Drop in your App Store link or beta invite when you're ready to share it.