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Head-to-head · Voice Analysis Software

Phonexia Voice Compliance vs openSMILE

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Phonexia Voice Compliance #3 in Voice Analysis Software —/10 Pricing on request ✓ 2 of 3 features Contact Phonexia
openSMILE #7 in Voice Analysis Software —/10 Free plan Free plan✓ 0 of 3 features Visit audEERING

Phonexia Voice Compliance leads on 2 checks, openSMILE on 1, and 0 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planonly openSMILE
  • Most featuresPhonexia Voice Compliance · 2 of 3

Our editors rank Phonexia Voice Compliance at #3 and openSMILE at #7 for voice analysis software; Phonexia Voice Compliance and openSMILE have no rubric score yet (facts researched, not yet scored), so the checks below decide.

openSMILE offers free plan; Phonexia Voice Compliance doesn't. Phonexia Voice Compliance offers speaker separation; openSMILE doesn't publish it. Phonexia Voice Compliance offers api access; openSMILE doesn't publish it.

Phonexia Voice Compliance is the better fit for enterprises analyzing customer conversations. openSMILE is the better fit for researchers building audio-analysis workflows.

  • Phonexia Voice Compliance fits best

    Enterprises analyzing customer conversations

  • openSMILE fits best

    Researchers building audio-analysis workflows

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Side by side

Feature Phonexia Voice Compliance —/10 Visit ↗ openSMILE —/10 Visit ↗
At a glance
Editor score — —
Ranking #3 in Voice Analysis Software #7 in Voice Analysis Software
Best for Enterprises analyzing customer conversations Researchers building audio-analysis workflows
Pricing model Paid Free
Starting price Not published Not published
Free plan — ✓ (best)
Free trial — —
Features Phonexia Voice Compliance 2/3 · openSMILE 0/3
Real-time analysis Not published Not published
Speaker separation ✓ (best) Not published
API access ✓ (best) Not published
Specs
Analysis focus Behavior Behavior
Supported languages Not published Not published
Deployment Hybrid Not published
Our review
Pros
  • Separates speakers with timestamped labels and analyzes talk time and crosstalk
  • Detects emotions and specified keywords, including compliance terms
  • REST and gRPC APIs support cloud or self-hosted deployment
  • Extracts audio features from audio signals
  • Open-source and available on a free plan
  • Supports research and development audio-analysis workflows
Cons
  • Pricing requires contacting sales
  • No free plan is offered
  • The named Voice Compliance product is not documented as standalone
  • Not a hosted voice-analysis service
  • Requires developer-led implementation in your environment
  • Does not provide complete voice or conversation assessment
Our verdict

Phonexia Voice Compliance refers to call-center speech analytics described by Phonexia through its Speech Platform, rather than a documented standalone product. It is aimed at organizations analyzing customer conversations for compliance…

Read the review →

openSMILE is an open-source software toolkit for analyzing audio signals and extracting audio features. It is aimed at researchers and developers building audio-analysis workflows, including work involving speech, music, and emotion…

Read the review →
  1. Phonexia Voice ComplianceVoice Analysis Software —Pricing on request
  2. openSMILEVoice Analysis Software —Free plan

Strengths and trade-offs

  • Phonexia Voice Compliance — where it wins

    • Separates speakers with timestamped labels and analyzes talk time and crosstalk
    • Detects emotions and specified keywords, including compliance terms
    • REST and gRPC APIs support cloud or self-hosted deployment

    Where it doesn't

    • Pricing requires contacting sales
    • No free plan is offered
    • The named Voice Compliance product is not documented as standalone
  • openSMILE — where it wins

    • Extracts audio features from audio signals
    • Open-source and available on a free plan
    • Supports research and development audio-analysis workflows

    Where it doesn't

    • Not a hosted voice-analysis service
    • Requires developer-led implementation in your environment
    • Does not provide complete voice or conversation assessment

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026