MusicaTechLab（むじかてっくらぼ）

Indie iOS Developer

About

Welcome to MusicaTechLab! An indie music-tech project based in Japan. 🇯🇵 As a musician myself, I’m here to build the innovative tools and apps I’ve always wished existed for my own musical journey.

Links

Website

Badges

Gone streaking

Maker History

Harmodus Piano - Pure TuningJust Intonation piano & pro polyrhythm metronome
Aug 2026

🎉

Joined Product HuntJuly 30th, 2026

Forums

•

1d ago

Harmodus Piano - Pure Tuning - Just Intonation piano & pro polyrhythm metronome

Harmodus Piano is an iOS app that lets you seamlessly switch between Equal Temperament and Just Intonation mid-performance to experience true acoustic harmony. Built for musicians, it features a hardcore polyrhythm metronome that fully supports odd time signatures and includes a per-beat volume mixer for ultimate rhythm control. Complete with external MIDI keyboard support and a smart real-time chord display, it’s the perfect tool for ear training and music theory exploration!