---
title: "FM Playground — App Overview"
url: https://marlvel.ai/intel-report/music/fm-playground
category: Music
developer: Gwangyu Lee
platforms: ios, android
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-04-23
last_verified: "2026-04-23T20:31:52.572Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** FM Playground is an open-source educational app that combines sensor-based interaction with FM synthesis to teach sound design principles.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.1 |
| Latest Version (Android) | 1.89 |
| Developer | Gwangyu Lee |

<!-- SECTION: Summary -->
## What is FM Playground?

FM Playground is an educational tool for exploring Frequency Modulation (FM) synthesis through real-time interactive experimentation. Developed by the MARTE Lab at Dongguk University, the app utilizes iPhone sensors and touch gestures to allow users to manipulate sound parameters. It serves as an open-source resource for computer musicians and students interested in creative coding.

<!-- SECTION: Key Features -->
## Key Features

- **FM Synthesis Education**: Provides an interactive view to learn fundamental FM synthesis concepts with real-time slider adjustments.
- **Sensor-Based Modulation**: Enables control of timbre, frequency, and volume using iPhone gyroscope and compass sensors.
- **Gesture-Based Control**: Allows users to manipulate sound parameters dynamically through touch gestures.
- **Open-Source Accessibility**: The source code is available for users to study, experiment with, and expand upon.

<!-- SECTION: Target Audience -->
## Who is it for?

Computer musicians, students, and sound design enthusiasts interested in learning FM synthesis.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/fm-playground/id6753267191?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.xpslogic.xpsflex.playground&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/music/fm-playground)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/music/fm-playground).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*