iotaTONE: Microtonal Keyboard
Bond Institute Music Corporation Music iPhoneiPadiPod touch
iotaTONE: Microtonal Keyboard is a paid Music app for iPhone and iPad by Bond Institute Music Corporation. Requires iOS 15.6. Updated September 11, 2026.
- Price
- 14.99 USD
- on the App Store
- Size
- 179 MB
- Age 4+
- Updated
- Sep 11
- 2026 · v2.4.0
Screenshots
About iotaTONE: Microtonal Keyboard
Isomorphic, Polyphonic, Microtonal, Just Intonation Musical Instrument & MIDI Controller for tablets & mobile phones Touch & Tilt - Intuitive playing mechanism Motion Detector - Camera input controls pitch & volume. Isomorphic Keyboard - precision numeric & graphic display Play melodies, chords, scales, instant inversions, effortless Arpeggios 4 Distinct Playing Modes - Polyphonic / Monophonic x Touch / Hold Expressive - realtime FX Box controls. User configurable Volume settings. Basic Drum Machine - 50+ practice patterns Quantized Output for Rhythmic Effects Microtonal Capabilities - explore Just Intonation & Pythagorean Tunings Includes Harmonic Table, Tonnetz, Wicki-Hayden + more Create your own microtonal mappings iotaTONE combines touchscreen technology with mobile hardware device orientation & continuous controls to define a distinct new paradigm in music instrument design.
What’s new
Version 2.4.0 · Updated September 11, 2026
Complete app overhaul: rebuilt audio engine, UI clean-up and enhancements. New: Camera Mode, Swipe Chords, Drum Machine. Added 2 free General MIDI soundfonts, plus new synth soundfont collection "Module'91". Manual updated for all new features.
App privacy
The developer, Bond Institute Music Corporation, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
Used for: Analytics
Alternatives to iotaTONE: Microtonal Keyboard
Looking for apps like iotaTONE: Microtonal Keyboard? Here are 6 similar apps on the App Store. The highest rated is College Radio (4.7/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| iotaTONE: Microtonal Keyboard | – | 14.99 USD | September 11, 2026 | |
| 24-TET Keys: Microtonal MIDI | 4.6 / 5 (5) | Free | Oct 2, 2026 | Compare |
| College Radio | 4.7 / 5 (164) | Free | Sep 9, 2025 | Compare |
| Drum Pad Pro: AUv3 Beat Maker | 4.5 / 5 (186) | Free | Oct 7, 2026 | Compare |
| StagePlot Guru | 2.5 / 5 (121) | Free | Sep 25, 2026 | Compare |
| VHS Synth | 80s Synthwave | 4.0 / 5 (134) | Free | Feb 26, 2025 | Compare |
| Audio Extractor: Vid2Audio | 4.0 / 5 (3) | Free | May 3, 2026 | Compare |