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. aTrain: Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection. 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 aTrain when universities and public bodies needing gdpr-friendly local transcription matters most. Try them side by side on real calls before deciding — needs vary by team.
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.
Open-source offline transcription tool from the University of Graz that turns recorded meetings and interviews into text using Whisper and speaker detection.
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
aTrain is a free, open-source desktop application for offline speech transcription, developed by researchers at the Business Analytics and Data Science Center of the University of Graz in Austria. It provides a graphical interface around OpenAI's Whisper model (via the faster-whisper implementation) so users with no programming experience can transcribe recorded meetings, interviews, lectures, and other audio. Because all processing happens locally on the user's own computer, no audio or text is uploaded to any server, which makes it well suited to privacy-sensitive and GDPR-conscious environments such as universities, public institutions, and research teams. aTrain supports a wide range of languages and adds speaker detection through pyannote.audio so contributions from different participants can be separated. Transcripts can be exported in formats compatible with qualitative-analysis software such as MAXQDA, ATLAS.ti, and NVivo. It runs on Windows (including a Microsoft Store distribution) with GPU acceleration on NVIDIA hardware, and is distributed under the AGPL-3.0 license. It is best for researchers, academics, and organizations that need accurate, local, no-cloud transcription of recorded conversations. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Felo Subtitles is a free tier with paid upgrades (freemium); aTrain is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Felo Subtitles | aTrain |
|---|---|---|
| Core capability | Real-time live transcription with subtitles overlaid on meetings and video streams | Offline, fully local transcription with no data leaving the device |
| Standout feature | Instant translation of captions across roughly 20 target languages (speech recognition in ~23 languages) | Built on OpenAI Whisper via the faster-whisper engine |
| Team usage | No-bot capture: transcribes audio locally/in-browser without joining the meeting as a participant | Speaker detection/diarization using pyannote.audio |
| Integrations | Transcript saving and export to text documents | Exports compatible with MAXQDA, ATLAS.ti, and NVivo |
| Languages & capture | AI-generated meeting summaries using templates (sales, learning, one-on-one) | Graphical interface requiring no programming skills |
| Best-fit workflow | Custom speech and translation dictionaries for industry-specific terminology | NVIDIA GPU acceleration support |
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.
aTrain
Choose aTrain if you need researchers transcribing recorded interviews for qualitative analysis — strengths include free and open source under agpl-3.0.
Felo Subtitles
aTrain
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 aTrain is strong for researchers transcribing recorded interviews for qualitative analysis. Both transcribe and summarize meetings.
Felo Subtitles is a free tier with paid upgrades and aTrain 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.
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