Felo Subtitles: A browser extension and companion app that adds real-time transcription and translated live subtitles to online meetings and live streams without joining as a bot. Substrata: AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Felo Subtitles when following and translating multilingual video meetings on zoom, google meet, teams, or webex in real time matters most, and Substrata when coaching sellers on social dynamics in high-stakes conversations matters most. Run both through a week of actual calls to see which suits your workflow.
A browser extension and companion app that adds real-time transcription and translated live subtitles to online meetings and live streams without joining as a bot.
AI sales intelligence platform that analyzes the social and emotional signals behind conversations to help dealmakers read buyer intent.
Felo Subtitles, made by Felo Inc. (Sparticle), is a real-time transcription and translation tool delivered as a Chrome/Edge browser extension plus companion desktop apps for Windows and macOS. It listens to meeting and video audio, recognizes speech, and overlays live captions with instant translation into other languages, so participants can follow conversations across language barriers. The browser extension captions web-based audio such as Google Meet (web), YouTube Live, Twitch, and Facebook Live, while the separate Felo desktop app extends coverage to Zoom, Microsoft Teams, Webex, and Tencent Meeting without a bot joining the call. It recognizes speech in roughly 23 languages and translates into about 20 target languages. Captured sessions can be saved as transcripts and exported as text, and the tool offers AI summaries using templates for contexts like sales, learning, and one-on-ones. Custom speech and translation dictionaries let teams add industry terminology. It is aimed at IT, research, HR, legal, education, and video-creator users needing multilingual meeting communication.
Best suited for
Substrata is an AI sales coaching and deal intelligence platform that takes a different angle from typical conversation intelligence tools: rather than focusing on transcription and summaries, it analyzes the social and emotional signals beneath sales conversations. Its core function is to model buyer psychology, attitudes, and momentum across interactions to help professional dealmakers understand intent and power dynamics. A central component is SoundWave, a real-time conversational analytics engine that listens to sales calls and analyzes voice tone, pace, pauses, interruptions, and the push-pull of social dynamics, surfacing the why behind what is being said rather than just the words. Substrata applies this signal analysis across conversations and email exchanges to gauge buyer sentiment and engagement, giving sellers and revenue leaders a read on how deals are actually progressing. The platform is aimed at B2B revenue professionals and leaders, and is positioned for smaller and mid-sized dealmaking teams that want behavioral insight into negotiations and high-value conversations. It has been recognized as a high performer across sales coaching, AI sales assistant, conversation intelligence, sales analytics, and revenue operations categories. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Felo Subtitles is a free tier with paid upgrades (freemium); Substrata is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Felo Subtitles | Substrata |
|---|---|---|
| Core capability | Real-time live transcription with subtitles overlaid on meetings and video streams | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
| Standout feature | Instant translation of captions across roughly 20 target languages (speech recognition in ~23 languages) | Behavioral analysis of buyer attitudes, intent, and power dynamics |
| Team usage | No-bot capture: transcribes audio locally/in-browser without joining the meeting as a participant | Email signal analysis for sentiment and engagement |
| Integrations | Transcript saving and export to text documents | Deal momentum tracking across conversations |
| Languages & capture | AI-generated meeting summaries using templates (sales, learning, one-on-one) | Coaching insights focused on social and emotional cues |
| Best-fit workflow | Custom speech and translation dictionaries for industry-specific terminology | SoundWave real-time analysis of tone, pace, pauses, and interruptions |
Felo Subtitles
Choose Felo Subtitles if you need following and translating multilingual video meetings on zoom, google meet, teams, or webex in real time — strengths include captures meetings without adding a visible bot participant, which is less intrusive than bot-based notetakers.
Substrata
Choose Substrata if you need reading buyer intent and sentiment during negotiations — strengths include analyzes social and emotional subtext beyond plain transcription.
Felo Subtitles
Substrata
It depends on your workflow. Felo Subtitles is strong for following and translating multilingual video meetings on zoom, google meet, teams, or webex in real time, while Substrata is strong for reading buyer intent and sentiment during negotiations. Both transcribe and summarize meetings.
Felo Subtitles is a free tier with paid upgrades and Substrata is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
More head-to-head comparisons involving Felo Subtitles and Substrata.
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