The Best Audio Analysis Software in 2026
We researched audio analysis software from official websites, including pricing pages, plan tables, and product documentation. Products are ranked by their core measurement capabilities, value for money, and verified features for analyzing frequency, loudness, phase, dynamics, distortion, and related properties of audio.
Our top picks
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Top ranked
Insight 2#1 of 439.1/10A focused metering plug-in for loudness compliance and multichannel audio analysis.
10-day trial
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Runner-up
WLM Plus Loudness Meter#2 of 439.0/10A standards-focused loudness plugin for production across major DAWs.
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Top-ranked free plan
Voxengo SPAN#4 of 438.8/10A mature free analyzer for spectrum, loudness, metering, correlation and multichannel work.
Free plan
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
The full ranking 43 tools, best first
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Best forProfessional loudness and immersive metering
A focused metering plug-in for loudness compliance and multichannel audio analysis.
- Loudness standards
- Real-time analysis
9.1/10★★★★★Visit iZotope -
Best forLoudness compliance across many DAWs
A standards-focused loudness plugin for production across major DAWs.
- Loudness standards
- Offline file analysis
- Real-time analysis
9.0/10★★★★☆Visit Waves Audio -
Best forProfessional live sound measurement
A broad measurement suite for live sound, acoustics, and SPL monitoring.
- Real-time analysis
8.9/10★★★★☆Visit Smaart -
Best forFree plug-in spectrum analysis
A mature free analyzer for spectrum, loudness, metering, correlation and multichannel work.
- Loudness standards
- Real-time analysis
8.8/10★★★★☆Visit Voxengo SPAN -
Best forComprehensive room and acoustic analysis
A comprehensive free toolkit for room, speaker, subwoofer, and audio-device analysis.
- Offline file analysis
- Real-time analysis
7.9/10★★★★☆Visit Room EQ Wizard -
Best forAffordable loudness compliance
Affordable loudness compliance with free metering and a $39 one-time PRO upgrade.
- Loudness standards
- Offline file analysis
- Real-time analysis
7.8/10★★★★☆Visit Youlean -
Best forFree audio visualization and annotation
A capable free tool for detailed offline audio visualisation and annotation.
- Offline file analysis
7.7/10★★★★☆Try Sonic Visualiser -
Best forFree standards-based audio analysis
A standards-based analyzer for live audio, files, DAWs and delivery checks.
- Loudness standards
- Offline file analysis
- Real-time analysis
7.6/10★★★★☆Visit site -
Best forFree live sound-system measurement
A broad free toolkit for live sound measurement across desktop and iOS.
- Offline file analysis
- Real-time analysis
7.5/10★★★★☆Try Open Sound Meter -
Best forProfessional system tuning and acoustics
Deep real-time and offline analysis for professional system tuning and acoustics.
- Offline file analysis
- Real-time analysis
7.4/10★★★★☆Visit AFMG SysTune -
Best forMac and iPad system tuning
A feature-rich Apple-only toolkit for measurement, monitoring, and audio-system tuning.
- Real-time analysis
7.3/10★★★★☆Visit LiveSpec -
Best forCross-platform loudness and dynamics metering
A cross-platform meter for detailed loudness, dynamics, phase, and spectrum analysis.
- Loudness standards
- Offline file analysis
- Real-time analysis
7.2/10★★★★☆Visit PROCESS.AUDIO -
Best forHigh-channel-count loudness metering
A focused, high-channel-count meter for real-time and offline loudness analysis.
- Loudness standards
- Offline file analysis
- Real-time analysis
7.1/10★★★★☆Visit Klangfreund -
Best forBroadcast loudness monitoring and file checks
A focused meter for live loudness checks and offline audio or video-file analysis.
- Loudness standards
- Offline file analysis
- Real-time analysis
7.0/10★★★★☆Visit Orban -
Best forFree loudness and spectrum metering
A focused free plug-in for real-time loudness, spectrum, peak, and stereo metering.
- Loudness standards
- Real-time analysis
6.9/10★★★☆☆Visit Jeesonic -
Best forFree spectrum and loudness plug-in
A free plug-in with spectrum, sonogram, peak, and loudness analysis.
- Loudness standards
- Offline file analysis
- Real-time analysis
6.8/10★★★☆☆Visit site -
Best forProducers comparing stereo and spatial balance
A configurable analyzer for inspecting frequency content, stereo image, levels, and phase.
- Loudness standards
- Real-time analysis
6.7/10★★★☆☆Visit NUGEN Audio -
Best forFree macOS loudness monitoring
A capable free real-time meter for macOS DAW workflows, without offline file analysis.
- Loudness standards
- Real-time analysis
6.6/10★★★☆☆Visit SpectraView -
Best forAudio authenticity and metadata auditing
A broad free toolkit for offline audio authenticity, metadata, and library audits.
- Loudness standards
- Offline file analysis
6.5/10★★★☆☆Visit AudioAuditor -
Best forLinux and macOS users needing versatile signal analysis
Versatile desktop analysis for Linux and macOS, but without loudness-standard support.
- Offline file analysis
- Real-time analysis
6.4/10★★★☆☆Visit SigBlips -
Best forEstablished Windows acoustical measurement
A broad Windows toolkit for real-time and offline acoustic measurement.
- Offline file analysis
- Real-time analysis
6.3/10★★★☆☆Visit EASERA -
Best forFree loudness and spectrum metering
A focused, open-source plugin for loudness, spectrum, true-peak, and stereo analysis.
- Loudness standards
- Real-time analysis
6.2/10★★★☆☆Visit Dusk Audio -
Best forFree Linux desktop metering
A free Linux meter with broad real-time analysis views, built around PipeWire.
- Loudness standards
- Real-time analysis
6.1/10★★★☆☆Visit OpenMeters -
Best forBudget Windows measurement toolkit
A low-cost Windows toolkit for spectrum analysis, signal generation, and audio measurement.
- Real-time analysis
6.0/10★★★☆☆Visit TrueRTA -
Best forSpeech researchers analyzing pitch and formants
Free, open-source desktop software for detailed speech analysis and annotation.
5.9/10★★★☆☆Visit Praat -
Best forWaves users needing basic spectrum and stereo views
A focused playback analyzer for inspecting frequency content and stereo placement.
- Real-time analysis
5.8/10★★★☆☆Visit Waves Audio -
Best forFree basic spectrum plug-in analysis
A focused free plug-in for real-time mono and stereo spectrum analysis.
- Real-time analysis
5.7/10★★★☆☆Visit Blue Cat Audio -
Best forFree spectrum plug-in with upgrade path
A capable free analyzer plugin with a $39 full edition for deeper metering and routing.
- Real-time analysis
5.6/10★★★☆☆Visit site -
Best forFree basic real-time audio analysis
A broad live-audio toolkit for basic analysis across Windows, macOS, and Linux.
- Real-time analysis
5.4/10★★★☆☆Visit Friture -
Best forFree offline inspection of multichannel recordings
A free desktop tool for inspecting recordings with waveform, spectrogram, and spectrum views.
- Offline file analysis
5.3/10★★★☆☆Visit Raven Lite -
Best forLow-cost LUFS plug-in metering
A low-cost LUFS meter for real-time loudness matching across major plug-in formats.
- Loudness standards
- Real-time analysis
5.2/10★★★☆☆Visit Klangfreund -
Best forUsers checking music files privately in a browser
A free browser tool for private file analysis, not real-time monitoring.
- Loudness standards
- Offline file analysis
5.1/10★★★☆☆Visit Tonalux -
Best forDevelopers extracting audio features programmatically
An open-source Python toolkit for developers who need programmatic audio feature extraction.
- Offline file analysis
5.0/10★★☆☆☆Visit spafe -
Best forDetailed loudness and dynamic-range metering
Detailed real-time loudness and dynamics metering for production, mastering, and broadcast.
- Loudness standards
- Real-time analysis
4.9/10★★☆☆☆Visit MAAT -
Best forAPI teams testing OpenAPI integrations
A capable API mock and contract-testing tool, not an audio analysis product.
4.9/10★★☆☆☆Visit Stoplight -
Best forRME users wanting free live metering and visual scopes
A free suite of live meters and scopes, available only with supported RME hardware.
- Loudness standards
- Real-time analysis
4.8/10★★☆☆☆Visit RME -
Best forCompact all-purpose metering
A compact desktop meter suite covering analysis, routing, recording, and clipping tools.
- Offline file analysis
- Real-time analysis
4.7/10★★☆☆☆Visit MiniMeters -
Best forImmersive and surround audio analysis
A focused $299 plug-in suite for real-time surround and immersive audio analysis.
- Real-time analysis
4.6/10★★☆☆☆Visit NUGEN Audio -
Best forOffline finished-audio quality checks
A focused offline checker for loudness, peaks, dynamics, stereo, phase, and tonal balance.
- Loudness standards
- Offline file analysis
4.5/10★★☆☆☆Visit EXPOSE 2 -
Best forBroadcast loudness compliance
A focused loudness meter for broadcast workflows, with surround support and subscription pricing.
- Loudness standards
- Offline file analysis
- Real-time analysis
4.4/10★★☆☆☆Visit NUGEN Audio -
Best forMusic identification and monitoring workflows
A developer-focused platform for identifying, enriching, and monitoring music and audio.
4.3/10★★☆☆☆Visit ACRCloud -
Best forCross-platform audio metadata inspection
A free, open-source metadata analyzer with broad format and interface support.
- Offline file analysis
4.2/10★★☆☆☆Visit MediaInfo -
Best forFree offline spectrogram inspection
A free, open-source desktop tool for offline spectrogram and codec inspection.
- Offline file analysis
3.9/10★★☆☆☆Visit Spek
No tools match those filters.
Compare at a glance
| # | Tool | Free plan | Paid from | Real-time analysis | Offline file analysis | Loudness standards | Score |
|---|---|---|---|---|---|---|---|
| 1 | Insight 2 | No | $199 one-time | Yes | Yes | 9.1 | |
| 2 | WLM Plus Loudness Meter | No | Yes | Yes | Yes | 9.0 | |
| 3 | Smaart | No | $159/yr | Yes | 8.9 | ||
| 4 | Voxengo SPAN | Yes | Free | Yes | Yes | 8.8 | |
| 5 | Room EQ Wizard | Yes | Yes | Yes | 7.9 | ||
| 6 | Youlean Loudness Meter | Yes | $39 one-time | Yes | Yes | Yes | 7.8 |
| 7 | Sonic Visualiser | Yes | Free | Yes | 7.7 | ||
| 8 | Open Audio Analyzer | Yes | Free | Yes | Yes | Yes | 7.6 |
| 9 | Open Sound Meter | Yes | Yes | Yes | 7.5 | ||
| 10 | AFMG SysTune | No | €450/user one-time | Yes | Yes | 7.4 | |
| 11 | LiveSpec | No | Yes | 7.3 | |||
| 12 | Decibel | No | $149 one-time | Yes | Yes | Yes | 7.2 |
| 13 | Klangfreund Multimeter | No | $59 one-time | Yes | Yes | Yes | 7.1 |
| 14 | Orban Loudness Meter | Yes | Free | Yes | Yes | Yes | 7.0 |
| 15 | Metering Cockpit | Yes | Free | Yes | Yes | 6.9 | |
| 16 | MeldaProduction MAnalyzer | Yes | Free | Yes | Yes | Yes | 6.8 |
| 17 | NUGEN Audio Visualizer | No | $199/yr | Yes | Yes | 6.7 | |
| 18 | SpectraView Meter | Yes | Free | Yes | No | Yes | 6.6 |
| 19 | AudioAuditor | Yes | Free | Yes | Yes | 6.5 | |
| 20 | Baudline | Yes | Yes | Yes | No | 6.4 | |
| 21 | EASERA | No | €850 one-time | Yes | Yes | 6.3 | |
| 22 | Dusk Audio Spectrum Analyzer | Yes | Free | Yes | Yes | 6.2 | |
| 23 | OpenMeters | Yes | Free | Yes | Yes | 6.1 | |
| 24 | TrueRTA | Yes | Yes | 6.0 | |||
| 25 | Praat | Yes | Free | 5.9 | |||
| 26 | Waves PAZ Analyzer | Yes | 5.8 | ||||
| 27 | Blue Cat's FreqAnalyst | Yes | Free | Yes | 5.7 | ||
| 28 | SIR Audio Tools SpectrumAnalyzer | Yes | $39 one-time | Yes | No | 5.6 | |
| 29 | Friture | Yes | Free | Yes | 5.4 | ||
| 30 | Raven Lite | Yes | Free | Yes | 5.3 | ||
| 31 | Klangfreund LUFS Meter | No | $19 one-time | Yes | No | Yes | 5.2 |
| 32 | Tonalux Audio Analyzer | Yes | Free | No | Yes | Yes | 5.1 |
| 33 | spafe | Yes | Free | Yes | 5.0 | ||
| 34 | MAAT DRMeter MkII | No | $129 one-time | Yes | No | Yes | 4.9 |
| 35 | Stoplight Prism | Yes | Free | 4.9 | |||
| 36 | RME DigiCheck NG | Yes | Free | Yes | Yes | 4.8 | |
| 37 | MiniMeters | No | $20 one-time | Yes | Yes | 4.7 | |
| 38 | Halo Vision | No | $299 one-time | Yes | 4.6 | ||
| 39 | EXPOSE 2 | No | Yes | Yes | 4.5 | ||
| 40 | VisLM | No | $499/yr | Yes | Yes | Yes | 4.4 |
| 41 | ACRCloud | Yes | 4.3 | ||||
| 42 | MediaInfo | Yes | Free | No | Yes | 4.2 | |
| 43 | Spek | Yes | Free | No | Yes | 3.9 |
Head-to-head All 28 comparisons →
- Insight 2 vs WLM Plus Loudness Meter
- Insight 2 vs Smaart
- Insight 2 vs Voxengo SPAN
- Insight 2 vs Room EQ Wizard
- Insight 2 vs Youlean Loudness Meter
- Insight 2 vs Sonic Visualiser
- Insight 2 vs Open Audio Analyzer
- WLM Plus Loudness Meter vs Smaart
- WLM Plus Loudness Meter vs Voxengo SPAN
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How we rank audio analysis software
Every tool on this page was researched by iTechGuides Editors from its official website — pricing pages, plan tables and product documentation. We rank on how well each one does this category's core job, what the free or entry plan includes, and where it falls short. Where we have enough verified facts, the score out of 10 is a rubric — job fit, value and how much we could verify — shown with its breakdown on every tool's page; a tool we have not verified enough to score yet shows its rank without a number. Scores are re-checked when a product changes its plans. Read the full editorial policy, or submit a tool we missed.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update