Core practice flow
- Current and next chord always visible with inversion labels.
- Step with Back / Next or auto-advance by BPM.
- Transpose the session instantly by key.
- Optional chord sound plays the focused triad as an arpeggio.
Now + Next
Fretboard fluency in motion
Triads mapped across the neck, guided by voice-leading.
Triad Trainer maps CAGED triads across the fretboard, keeps the current and next chord in view, and highlights the inversion that makes the move feel effortless. Filter the neck, lock the tempo, and use voice commands to advance without taking your hands off the guitar.
Am
C
G
F
Dm
Features
The complete triad practice toolkit.
Every feature is tuned for fast, repeatable practice without the noise.
Smart triad selection
- CAGED templates generate triads for major or minor quality.
- Focused triads rotate to avoid repetitive shapes.
- Next-chord previews favor close voice-leading.
CAGED logic
Fretboard practice tools
- Degree colors and labels for R, 3, and 5.
- Tap a shape to focus that inversion.
- Toggle strings, frets, and string order.
- Adjust the fret window with a mini fretboard view.
- Filter by inversion and skip open strings.
Windowed practice
Overview + ghost notes
- Show all inversions as dotted outlines on the fretboard.
- Ghost the next chord for side-by-side comparison.
All shapes visible
Timing + metronome
- Set BPM and bars per chord in the session builder.
- Metronome click with a clear downbeat accent.
- Play and metronome stay locked until BPM is set.
Tempo locked
Voice + listening
- Voice commands for next, back, play, pause, and stop.
- Optional always-listening mode for hands-free control.
- Listen-to-play mode with strictness, root checks, and cooldown.
Hands-free
Practice sessions
- Create custom sessions with a title and chord sequence.
- Flexible chord entry with inline validation.
- Save, edit, and delete sessions quickly.
Your progressions
Session library
- Built-in popular progressions with Roman numerals.
- Tags and numbering for fast scanning.
- Transpose recommended sessions by key.
Ready to play
Capo Match + Pro
- Set a capo fret to transpose while keeping shapes.
- Pro unlocks custom sessions and editing tools.
Flexible play
Offline-first storage
- Sessions and settings stay local on your device.
- Works offline once installed — no account required.
Local-first
How it works
A calm practice loop that locks in muscle memory.
Pick a key, focus the fretboard, and loop 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. Add your App Store link or beta invite when you're ready to share it, and mention Pro subscription perks here.