
FM Playground
Explore FM Sound Creatively
Free · Designed for iPad
Explore FM synthesis hands-on! Interact with sliders, gestures, and device motion to create unique sounds and learn the fundamentals of FM sound design.
FM Playground is an educational app designed for learning and experimenting with FM synthesis (Frequency Modulation Synthesis). Developed as part of the "2025 Swift Sound - Creative Coding for Computer Musicians" project at MARTE Lab, Department of Multimedia, Dongguk University, by Yeonho Kim, Taejun Kim, Seoyul Son, and Sookyung Yoon, with guidance from Gwangyu Lee.
The app features multiple interactive views where users can manipulate sound in real time using touch gestures and iPhone sensors (gyroscope, compass, etc.).
Key Features:
- What is FM Synthesis?: Learn the fundamentals of FM synthesis with an interactive view. Adjust sliders to hear real-time modulation effects and explore complex timbres.
- Gesture-based control of timbre, frequency, and volume across various interactive views.
- Open-source code available for study, experimentation, and expansion.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
- Added Korean language support
The developer, Gwangyu Lee, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gwangyu Lee
- Size
- 20.2 MB
- Category
- Music
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- Languages
English and 2 more
- English, Japanese, Korean
- Age Rating
4+
- 4+
- Copyright
- © 2025 Gwangyu Lee