ThereminKit

Content rating
Everyone
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Content rating
Everyone
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About this app

Bring your theremin projects to life with ThereminKit, the essential companion for builders. Whether you are working on a classic Lev-style design or a Moog-inspired build, this app provides the tools and guidance you need to craft a professional-grade instrument.

Key Features:
Comprehensive Schematic Library: Access detailed plans for essential stages, including Pitch and Reference Oscillators, Mixer/Detector circuits, Volume Antennas, and Output Amplifiers.

Step-by-Step Guidance: Follow structured, easy-to-understand build steps for every circuit stage, from beginner to intermediate levels.

Built-in Oscilloscope: Utilize your phone’s microphone to monitor waveform shapes and identify harmonics in real-time—no expensive lab equipment required.

Advanced Calibration: Use the dedicated calibration mode to map your antenna fields, visualize the pitch-to-distance relationship, and improve linearity for a truly playable instrument.

ThereminKit turns your smartphone into a powerful diagnostic tool, helping you overcome the challenges of oscillator tuning and field linearization with ease. Start your build today!
Build, tune, and calibrate your Theremin with schematics and built-in tools
Updated on
Jun 19, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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What’s new

Welcome to our first public preview.

- Open testing is now available.
- Explore the current features and overall experience.
- We’ll continue making improvements and releasing updates.

Thanks for being with us from the beginning.