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. Knovvu Analytics (SESTEK): Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
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 Knovvu Analytics (SESTEK) when real-time compliance and quality monitoring with instant supervisor alerts matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
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.
Knovvu Analytics by SESTEK is an enterprise speech-and-text analytics platform that transcribes and analyzes 100% of customer voice and digital interactions for contact centers.
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
Knovvu Analytics is the conversational analytics product from SESTEK, a conversational-automation company with over 20 years of experience that is now part of UNIFONIC. It captures contact-center interactions and uses SESTEK's own speech recognition engine (reported >97% accuracy) to transcribe voice calls into text, then applies AI to analyze conversations at scale. Core capabilities include speaker diarization, multilingual identification, automatic topic categorization, sentiment analysis, and root-cause discovery across thousands of voice- and text-based interactions. Real-time features detect prohibited words, urgent inquiries, and compliance issues, sending instant supervisor notifications and API-triggered actions. It pairs with SESTEK's Automated Quality Management for objective agent scoring and script-adherence monitoring. The platform integrates with contact-center systems such as Five9, Genesys, and Avaya, and offers HTTP/REST, MRCP, and WebSocket integration methods. Its containerized architecture supports both cloud and on-premises deployment. It is built for enterprise contact centers in banking, insurance, telecom, and e-commerce, serving customers including ING Bank, DHL, Vodafone, and Carrefour.
Best suited for
Felo Subtitles is a free tier with paid upgrades (freemium); Knovvu Analytics (SESTEK) is custom pricing (contact sales). Always confirm current pricing on each vendor's site before buying.
| Feature | Felo Subtitles | Knovvu Analytics (SESTEK) |
|---|---|---|
| Core capability | Real-time live transcription with subtitles overlaid on meetings and video streams | Speech-to-text transcription of voice interactions with reported >97% accuracy |
| Standout feature | Instant translation of captions across roughly 20 target languages (speech recognition in ~23 languages) | Speaker diarization and multilingual speaker identification |
| Team usage | No-bot capture: transcribes audio locally/in-browser without joining the meeting as a participant | AI-driven sentiment analysis and emotion detection |
| Integrations | Transcript saving and export to text documents | Automatic topic categorization and trend/root-cause analysis |
| Languages & capture | AI-generated meeting summaries using templates (sales, learning, one-on-one) | Real-time alerts for prohibited words, urgent inquiries, and compliance issues |
| Best-fit workflow | Custom speech and translation dictionaries for industry-specific terminology | Automated quality management with objective agent scoring and script-adherence monitoring |
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.
Knovvu Analytics (SESTEK)
Choose Knovvu Analytics (SESTEK) if you need transcribing and analyzing 100% of customer service calls to surface trends and root causes — strengths include analyzes 100% of interactions rather than a sampled subset.
Felo Subtitles
Knovvu Analytics (SESTEK)
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 Knovvu Analytics (SESTEK) is strong for transcribing and analyzing 100% of customer service calls to surface trends and root causes. Both transcribe and summarize meetings.
Felo Subtitles is a free tier with paid upgrades and Knovvu Analytics (SESTEK) is custom pricing. 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.
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