Theremin Touch is a vintage theremin simulator.

This single oscillator, monophonic synthesizer with real world style control features

• onboard delay and reverb effects
• 4 different oscillator wave shapes
• adjustable frequency range for a more stable and playable instrument
• 1 to 7 octave range (approx.). 32.703Hz (C1) to 4.186KHz (C8)
• touch pad or motion control for a more theremin like playing experience
• tuner
• customisable UI
• built with AudioKit

With its beautiful vintage audio look, "Theremin Touch" provides the closest experience to playing a theremin on iOS.

Check out the demo here... https://youtu.be/nwmSFtjBKwg