Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Voice Analysis Software

openSMILE vs Emotion Logic AppTone

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score openSMILE #7 in Voice Analysis Software 7.3/10 Free plan Free plan✓ 0 of 3 features Visit audEERING
Emotion Logic AppTone #8 in Voice Analysis Software 7.1/10 Pricing on request ✓ 1 of 3 features Visit site

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

Our verdict

  • Highest scoreopenSMILE · 7.3/10
  • Free planonly openSMILE
  • Most featuresEmotion Logic AppTone · 1 of 3

openSMILE scores higher on our rubric for voice analysis software: 7.3 against 7.1 out of 10; our editors rank them #7 and #8.

On analysis focus, openSMILE gives you Behavior where Emotion Logic AppTone offers Emotion.

openSMILE is the better fit for researchers building audio-analysis workflows. Emotion Logic AppTone is the better fit for teams collecting spoken answers for emotion research.

  • openSMILE fits best

    Researchers building audio-analysis workflows

  • Emotion Logic AppTone fits best

    Teams collecting spoken answers for emotion research

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.

Side by side

Feature openSMILE 7.3/10 Visit ↗ Emotion Logic AppTone 7.1/10 Visit ↗
At a glance
Editor score 7.3 7.1
Ranking #7 in Voice Analysis Software #8 in Voice Analysis Software
Best for Researchers building audio-analysis workflows Teams collecting spoken answers for emotion research
Pricing model Free Paid
Starting price Free plan Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Features openSMILE 0/3 · Emotion Logic AppTone 1/3
Real-time analysis Not checked yet Not checked yet
Speaker separation Not checked yet Not checked yet
API access Not checked yet ✓ (best)
Specs
Analysis focus Behavior Emotion
Supported languages Not checked yet Not checked yet
Deployment Not checked yet Hybrid
Our review
Pros
  • Extracts audio features from audio signals
  • Open-source and available on a free plan
  • Supports research and development audio-analysis workflows
  • Creates voice-questionnaire workflows and collects spoken answers via WhatsApp-style flows
  • Analyzes vocal emotional signals and produces reports
  • Offers web access, API samples, and cloud or self-hosted deployment options
Cons
  • Not a hosted voice-analysis service
  • Requires developer-led implementation in your environment
  • Does not provide complete voice or conversation assessment
  • Focused on emotional-signal analysis, not general-purpose voice transcription
  • Pricing is handled through contact with sales
  • AppTone-specific deployment options are not separately documented
Our verdict

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 →

AppTone gives teams a structured way to send voice questions and collect spoken answers through WhatsApp-style questionnaire workflows. It analyzes vocal emotional signals and produces emotion-analysis reports, with use cases spanning…

Read the review →
  1. openSMILEVoice Analysis Software 7.3Free plan
  2. Emotion Logic AppToneVoice Analysis Software 7.1Pricing on request

Strengths and trade-offs

  • 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
  • Emotion Logic AppTone — where it wins

    • Creates voice-questionnaire workflows and collects spoken answers via WhatsApp-style flows
    • Analyzes vocal emotional signals and produces reports
    • Offers web access, API samples, and cloud or self-hosted deployment options

    Where it doesn't

    • Focused on emotional-signal analysis, not general-purpose voice transcription
    • Pricing is handled through contact with sales
    • AppTone-specific deployment options are not separately documented
  • openSMILE7.3/10 · Free plan

    A research-focused toolkit for extracting audio features in analysis workflows.

    Visit audEERINGFull verdict →
  • Emotion Logic AppTone7.1/10 · Pricing on request

    A focused way to collect spoken questionnaire answers and analyze vocal emotional signals.

    Visit siteFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update