Harmodus Piano - Pure Tuning

Harmodus Piano is a piano keyboard and metronome app with just intonation.

JUST INTONATION
• Real-time retuning: the app analyzes the chord you hold and applies pure frequency ratios to its root.
• Switch between Equal, Just Major and Just Minor.
• Adjustable reference pitch.

CHORD DETECTION
• 17 chords detected in real time from the notes you play.
• Works with the on-screen keyboard and external MIDI.

18 SOUND SOURCES
• Acoustic and synthesizer timbres — organ, clarinet and more, plus waveforms such as sine and sawtooth.
• Damper pedal with natural resonance.

METRONOME
• 6-track mixer: accent, quarter, eighth, sixteenth, triplet and a custom n-tuplet.
• Odd meters (5, 7, …) add a second accent automatically.
• Tuplets and 2-beat n-tuplets (e.g. half-note triplets).
• A/B alternating patterns, tap tempo, count-in and auto-stop.
• Visible edge-flash and per-track click sounds.

MORE
• Touch and MIDI keyboard (Bluetooth or cable).
• Transpose, sustain / latch.
• 71 languages.

Purchase information:
All features are free with the 25 keys from C3 to C5 (including black keys), with no time limit. A one-time purchase permanently unlocks the full keyboard and keyboard scrolling; an active monthly or annual subscription also unlocks them. Existing one-time purchases and active subscriptions remain valid.
Eligible new users may be offered a 7-day free trial with either the monthly or annual plan. The one-time purchase does not auto-renew.

Terms of Use (Apple Standard EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy:
https://harmoduspiano.musicatechlab.com/privacy/