WLM Plus Loudness Meter vs Open Audio Analyzer

WLM Plus Loudness Meter9.0Visit Open Audio Analyzer7.6Visit

Higher score WLM Plus Loudness Meter #2 in Audio Analysis Software 9.0/10 Paid ✓ 3 of 3 features Visit Waves Audio

vs

Open Audio Analyzer #8 in Audio Analysis Software 7.6/10 Free plan Free plan✓ 3 of 3 features Visit site

• WLM Plus Loudness Meter fits best

  Loudness compliance across many DAWs

• Open Audio Analyzer fits best

  Free standards-based audio analysis

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Side by side

Feature	WLM Plus Loudness Meter 9.0/10 Visit ↗	Open Audio Analyzer 7.6/10 Visit ↗
At a glance
Editor score	9.0	7.6
Ranking	#2 in Audio Analysis Software	#8 in Audio Analysis Software
Best for	Loudness compliance across many DAWs	Free standards-based audio analysis
Pricing model	Paid	Free
Starting price	—	Free plan
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Desktop	Desktop, Mobile
Platforms	Windows, macOS	Windows, macOS, Linux, iOS, Android
Support	Docs	Email, Community, Docs
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market
Features WLM Plus Loudness Meter 3/3 · Open Audio Analyzer 3/3
Real-time analysis	✓	✓
Offline file analysis	✓	✓
Loudness standards	✓	✓
Specs
Maximum channels	6 channels	Not checked yet
Plugin support	Aax	Vst
Analysis views	momentary, short-term, long-term, loudness range, true peak, gain reduction	loudness, true peak, VU, spectrum, spectrogram, oscilloscope, phase scope, histogram, loudness distribution, stereo cloud
Our review
Pros	Supports ITU, EBU and ATSC loudness measurement standards Provides real-time and offline CSV logging Works across mono, stereo and multichannel workflows	EBU R 128 and ITU-R BS.1770-4 loudness measurement Real-time and offline analysis with reports and pass/fail targets VST3, Audio Unit, AAX and command-line workflows
Cons	Paid product without a free plan Channel capacity is limited to mono, stereo and 5.0 or 5.1 workflows Advanced metering may be more than needed for simple level checks	Focused on analysis rather than audio production or editing Offline file analysis supports a defined set of audio formats Tablet session mirroring requires a Wi-Fi connection
Our verdict	WLM Plus Loudness Meter is an audio plug-in for measuring and controlling loudness in music, podcasts, video, broadcast, movie trailers, games and other media. It is designed for producers, engineers and post-production teams working… Read the review →	Open Audio Analyzer is a free, open-source application for musicians, audio engineers and mastering workflows. It covers live-audio analysis, recorded-file analysis, loudness measurement, delivery validation and reporting across Windows,… Read the review →

Strengths and trade-offs

• WLM Plus Loudness Meter — where it wins

  • Supports ITU, EBU and ATSC loudness measurement standards
  • Provides real-time and offline CSV logging
  • Works across mono, stereo and multichannel workflows

  Where it doesn't

  • Paid product without a free plan
  • Channel capacity is limited to mono, stereo and 5.0 or 5.1 workflows
  • Advanced metering may be more than needed for simple level checks

• Open Audio Analyzer — where it wins

  • EBU R 128 and ITU-R BS.1770-4 loudness measurement
  • Real-time and offline analysis with reports and pass/fail targets
  • VST3, Audio Unit, AAX and command-line workflows

  Where it doesn't

  • Focused on analysis rather than audio production or editing
  • Offline file analysis supports a defined set of audio formats
  • Tablet session mirroring requires a Wi-Fi connection

• WLM Plus Loudness Meter9.0/10 · Paid

  A standards-focused loudness plugin for production across major DAWs.

  Visit Waves AudioFull verdict →
• Open Audio Analyzer7.6/10 · Free plan

  A standards-based analyzer for live audio, files, DAWs and delivery checks.

  Visit siteFull verdict →