Life & fun · alternatives · 2026

24 alternatives to Theremin

Multitouch synth instrument that makes an array of sounds

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Theremin launched in 2016; newer entries below may have overtaken it.

1. 1TI
   Theremin I/O▲81

   2013 · theremin.io · its alternatives →

2. 2
   Theremin▲5

   Online synth

   2017 · femurdesign.com · its alternatives →

3. 3AS
   A singing synthesizer for the browser with automatic 3-part harmony▲208

   2024 · pbat.ch · its alternatives →

4. 4
   Keys▲92

   Musical Keyboard with Gesture Controls, Modularity, and LEDs

   2015 · kubet88m.jp.net · its alternatives →

5. 5
   Aftertouch▲79

   Expressive 3D Touch MIDI controller for iOS

   2016 · apps.apple.com · its alternatives →

6. 6
   Glyphish Sounds▲213

   UI sounds professionally recorded and mastered for apps.

   2017 · glyphish.com · its alternatives →

7. 7
   Gradient Synth▲132

   Turn colors into sounds

   2024 · apps.apple.com · its alternatives →

8. 8
   Fugue Machine▲78

   Compose like Bach (with the help this app)

   2015 · alexandernaut.com · its alternatives →

9. 9
   ARC-24 Multitrack Groovebox for iOS▲74

   Multitrack synth, sampler, drum machine, and looper for iOS.

   Aug 2026 · arc24.app · its alternatives →

10. 10
    Octave▲191

    A free library of UI sounds for your apps

    2014 · raisedbeaches.com · its alternatives →

11. 11
    PiTheremin▲55

    Contribute to Mylab6/PiTheremin development by creating an account on GitHub.

    2021 · github.com · its alternatives →

12. 12
    Hear▲234

    Unlimited control over real-world sounds

    2016 · its alternatives →

13. 13
    Ramsophone▲140

    A generative art/music machine

    2016 · robertvinluan.com · its alternatives →

14. 14
    AudioKit Synth One▲87

    Free & Open-source iPhone/iPad Synth 🎹

    2019 · audiokitpro.com · its alternatives →

15. 15
    Auxy 2.0▲98

    A music studio in your pocket

    2016 · auxy.co · its alternatives →

16. 16
    Soundkit▲151

    Professional sound effects library designed for UI projects

    2014 · its alternatives →

17. 17
    io808▲122

    The classic drum machine synthesizer brought to the web.

    2016 · io808.com · its alternatives →

18. 18
    Capo▲85

    A new way to analyze and learn to play music

    2014 · supermegaultragroovy.com · its alternatives →

19. 19
    KORG iWAVESTATION▲83

    Create sounds with time-varying timbre, on a mobile device

    2017 · korg.com · its alternatives →

20. 20
    Ableton▲89

    Music production software and hardware.

    2015 · ableton.com · its alternatives →

21. 21
    Gesture Synth School▲70

    A practice app for learning to play music with your hands.

    Aug 2026 · learn.gesturesynth.com · its alternatives →

22. 22
    Animoog▲71

    Moog Music's polyphonic synthesizer

    2014 · apps.apple.com · its alternatives →

23. 23
    Loud Links▲113

    A simple tiny Javascript library to add interaction sounds

    2016 · its alternatives →

24. 24
    AirSynth▲73

    Turn your phone into a Theremin using FaceID

    2019 · lightbeamapps.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →