SL Knock

Punch and weight shaper

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

iPad

SL Knock is a focused AUv3 dynamics and tone effect for adding punch, body and controlled low-end weight to drums, samples and loops. • Fast controls for impact and body • Tone shaping for tighter or heavier character • Mix control for parallel processing • Factory presets and local user presets • AUv3 support for compatible iPad music hosts Works as a standalone preview app and as an AUv3 effect in GarageBand, AUM, Cubasis, BeatMaker 3 and other compatible hosts.

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Updated App Store screenshots with corrected SL Knock branding and a clear, undistorted view of the full interface.

The developer, VIACHESLAV ZHILTSOV, 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 based, for example, on the features you use or your age. Learn More

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

    Provider
    • VIACHESLAV ZHILTSOV
    Size
    • 31.4 MB
    Category
    • Music
    Compatibility
    Requires iPadOS 15.0 or later.
    • iPad
      Requires iPadOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Age Rating
    4+
    Copyright
    • © 2026 Spur Labs