FM20

FM/VA AUv3 Synthesizer

$5.99 · Designed for iPad. Not verified for macOS.

iPad

An Audio Unit (AUv3) hybrid FM / VA synthesizer. 4 operators. 8 algorithms. 2 Virtual Analogue filters. Unstable by design. FM at the core. Virtual analog filters to shape, push, and break it. LFOs for motion. ADSRs for control. Metallic. Dense. Evolving. Sometimes predictable. Mostly not. AUv3 for DAW integration. Standalone app with 16-step sequencer. Build. Modulate. Repeat.

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Added polyphony

Version 1.0.2

The developer, Paul Betowski, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Paul Betowski
    Size
    • 78.6 MB
    Category
    • Music
    Compatibility
    Requires iPadOS 12.0 or later.
    • iPad
      Requires iPadOS 12.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Paul Betowski
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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