Mini Tunes - Microtonal Synth

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About this app

🎵 Explore the World's Musical Traditions — On Your Fingertips
MiniTunes is a professional microtonal keyboard that unlocks the rich scales and tuning systems used across centuries of world music. Whether you're a musician, composer, or curious explorer — there's a whole sonic universe waiting for you.
🌍 211 Scales From Every Corner of the World
★ Turkish Maqams
★ Persian Dastgah
★ Arabic Maqams
★ Ancient Chinese Scales
★ Korean Scales
★ Japanese Koto Scales
★ Gamelan Scales from Indonesia
★ Indian Ragas
★ Byzantine Liturgical Modes
★ African Kora Scales
🎹 Built In Synthesizer
Choose from 4 wave types — sine, square, triangle, and saw — to shape your sound. Play up to 44 keys across 6 octaves.
🎛️ Pro MIDI Workflow
Connect MiniTunes to your DAW, hardware synth, or any MIDI-compatible device. Full polyphonic microtonal MIDI output means every note you play — across multiple fingers simultaneously — transmits with precise microtonal pitch accuracy. No more being locked to 12-tone equal temperament in your studio.
🔧 Build Your Own Scales
Not finding your tuning system in the list? Create and save your own custom scales from scratch. Define every interval exactly as you need it — perfect for experimental composers, tuning researchers, and musicians working with regional or personal intonation systems.
✨ Why MiniTunes?
211 world scales + unlimited custom scales in one app
Polyphonic microtonal MIDI controller — play chords, not just melodies
Connect to any DAW or MIDI hardware with USB cable
Clean, touch-optimized keyboard layout — up to 44 keys, 6 octaves

Minitunes is initially designed for exploration and a welcoming entry to microtonal music. And continuing to be used by microtonalists around the world from every level of experience.

Ratings and reviews

Got lots of cool scales, fun to play around with. It would be nice if your most recent settings persisted when you left the app though, so I don't have to keep changing the scale and oscillator back to what i want it. Also, an option to generate arbitrary equal temperament scales would be great. I wanted to try out 5-EDO, but since it isn't in the list of existing scales, I can't. Otherwise good app, and a good way to find new ways of making music.

Best I've seen on Android. Wish there were a way to edit and delete custom scales without resetting the app.

Simple and effective. Would like to see several rows of keys tho. Maybe more sounds to chose from. Other than that it does what it is supposed to and has a staggering amount of scales to choose from. Perhaps a way to customize scales would be nice as well.. larger scope than more rows of keys? more than intended for an app like this. Gimme more a 'row count' selector and maybe 'notes per row' also and this is 5 star app in my book. Edit: found volume changes from where on key you play. Neat!

What’s new

Added Microtonal Midi Output Feature