Youlean Loudness Meter

Youlean Loudness Meter is your ultimate free VST, AU plugin for loudness measurement.


  • International standards compliance.
  • Resizable interface.
  • Histogram and distribution display.
  • Multi channel support.
  • Smart Loudness Memory.

International standards compliance:

  • ITU-R BS.1770-4.
  • EBU R128.
  • EBU R128 S1.
  • ATSC A/85.
  • OP-59.
  • ARIB TR-B32.
  • AGCOM 219/09/CSP.

Channel support:

  • Mono.
  • Stereo.
  • 5.1 DTS.
  • 5.1 ITU.
  • 5.1 Film.

Smart Loudness Memory:

Smart Loudness Memory will speed up your workflow by saving all data with DAW session and recalling it after you reload the session.

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Windows – BETA – V1.5.0

macOS – BETA – V1.5.0

Windows – V1.0.5

macOS – V1.0.5


Technical requirements


  • Windows 7 minimum
  • VST 32bit
  • VST 64bit


  • macOS 10.7 minimum
  • VST
  • AU

v1.5.0 – BETA

  • Added GUI scaling. Activate by ctrl+drag on resizing handle.
  • Added view modes.
  • Added continuous mode.
  • Added fine control for true peak threshold.
  • Fixed crashes in Cubase – VST3 version.
  • A lot of stability improvements.
  • Minor graphical glitches fixes.

v1.0.5 – STABLE

  • Added macOS installer.
  • Fixed settings not sticking after project reload.
  • Fixed jump when changing window size with mouse wheel.
  • Improved scrolling with histogram control.
  • macOS stability improvements.
  • Minor graphical glitches fixes.


  • Added manual.
  • Fixed small bug when switching from auto to non auto in Time Code mode.
  • Fixed wrong integrated and loudness range measurements if play position has jumped in the playlist.


  • Fixed random resetting transport in Bitwig Studio.
  • Many fixes regarding transport.


  • Fixed AU crash at load in Ableton Live.
  • Fixed true peak detection.
  • Fixed button that pauses integrated and loudness range measurements.


  • Fixed missing libraries on macOS.
  • Fixed volume boost in FL Studio.
  • Fixed FL Studio crash while detaching the plugin.
  • Fixed Reaper crash after play in Windows.
  • Fixed minor graphical glitches.