Open Audio Analyzer vs Klangfreund Multimeter

Open Audio Analyzer7.6Visit KMKlangfreund Multimeter7.1Visit

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

vs

KM Klangfreund Multimeter #13 in Audio Analysis Software 7.1/10 Paid ✓ 3 of 3 features Visit Klangfreund

• Open Audio Analyzer fits best

  Free standards-based audio analysis

• Klangfreund Multimeter fits best

  High-channel-count loudness metering

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Side by side

Feature	Open Audio Analyzer 7.6/10 Visit ↗	KMKlangfreund Multimeter 7.1/10 Visit ↗
At a glance
Editor score	7.6	7.1
Ranking	#8 in Audio Analysis Software	#13 in Audio Analysis Software
Best for	Free standards-based audio analysis	High-channel-count loudness metering
Pricing model	Free	Paid
Starting price	Free plan	$59 one-time
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Desktop, Mobile	Desktop
Platforms	Windows, macOS, Linux, iOS, Android	Windows, macOS, Linux
Support	Email, Community, Docs	Tickets, Docs
Built for	Solo, Small business, Mid-market	Solo, Small business, Mid-market
Features Open Audio Analyzer 3/3 · Klangfreund Multimeter 3/3
Real-time analysis	✓	✓
Offline file analysis	✓	✓
Loudness standards	✓	✓
Specs
Maximum channels	Not checked yet	64 channels
Plugin support	Vst	Vst
Analysis views	loudness, true peak, VU, spectrum, spectrogram, oscilloscope, phase scope, histogram, loudness distribution, stereo cloud	loudness bars, loudness history graphs, peak, true peak, dynamics, tabular list viewer
Our review
Pros	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	Supports surround layouts with up to 64 channels Combines real-time and offline audio or video measurement Includes automatic adjustment, synchronization and CSV reports
Cons	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	No unlimited free plan Costs $59 as a one-time purchase Narrower analysis breadth than broader audio analysis tools
Our verdict	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 →	Klangfreund Multimeter is an audio analysis plug-in and standalone application for musicians, producers, audio professionals, videographers and broadcast-oriented workflows. It measures integrated, short-term and momentary loudness,… Read the review →

Strengths and trade-offs

• 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

• Klangfreund Multimeter — where it wins

  • Supports surround layouts with up to 64 channels
  • Combines real-time and offline audio or video measurement
  • Includes automatic adjustment, synchronization and CSV reports

  Where it doesn't

  • No unlimited free plan
  • Costs $59 as a one-time purchase
  • Narrower analysis breadth than broader audio analysis tools

• Open Audio Analyzer7.6/10 · Free plan

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

  Visit siteFull verdict →
• KMKlangfreund Multimeter7.1/10 · Paid

  A focused, high-channel-count meter for real-time and offline loudness analysis.

  Visit KlangfreundFull verdict →