Attendee: Open-source, self-hostable meeting bot API that sends bots into Zoom, Google Meet, and Microsoft Teams to capture recordings and transcripts. EventCAT: AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Attendee when developers embedding meeting recording and transcription into their own saas products matters most, and EventCAT when adding real-time translation and captions to zoom, teams, or google meet webinars matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Open-source, self-hostable meeting bot API that sends bots into Zoom, Google Meet, and Microsoft Teams to capture recordings and transcripts.
AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings.
Attendee is an open-source REST API, developed by Attendee Labs, that abstracts the engineering work of building meeting bots into a single developer-friendly interface. Instead of maintaining separate bot stacks for each video platform, developers send one API request and Attendee dispatches a bot that joins a Zoom, Google Meet, or Microsoft Teams call, then returns recordings, transcripts, and real-time media streams. It is built on widely used, battle-tested technologies such as Django, PostgreSQL, and Redis, and is designed to run from a single Docker image so teams can self-host it on their own infrastructure for data residency, compliance, and cost control. The project documents real-time transcription, webhooks, calendar integration, scheduled meetings, and websocket audio input/output. Because it is open source and self-hosted, organizations in regulated industries can keep meeting audio and transcripts inside their own environment rather than routing them through a third-party vendor. The repository is actively maintained with frequent releases, and the project markets itself as a lower-cost alternative to closed-source meeting-bot platforms for developers who want to embed meeting capture and transcription into their own applications. Pricing varies by plan. Check the official website for current pricing.
Best suited for
EventCAT is an AI-powered real-time interpretation and subtitling platform built by XL8 Inc. for meetings, webinars, and live conferences. It converts spoken audio into live captions and synthesized voice translation across more than 50 languages, allowing multilingual audiences to follow sessions without traditional interpreter booths. The platform offers two products: an OnlineMeeting mode that integrates with Zoom, Google Meet, and Microsoft Teams, and a Conference mode designed for in-person and hybrid events. For conferences, each session generates a unique QR code so attendees can view or listen to captions in their preferred language on a phone or tablet, while subtitles can also be projected on main event screens and pushed to YouTube and OBS streams. EventCAT exposes two processing modes, one tuned for low latency and one tuned for accuracy, and supports custom glossaries for industry and company-specific terminology. After an event it produces downloadable transcripts in multiple languages and AI-generated summaries. The service advertises SOC 2 certification and a stated policy of not storing or training on user data, and it is actively operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Attendee is a free tier with paid upgrades (freemium); EventCAT is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Attendee | EventCAT |
|---|---|---|
| Core capability | Unified REST API for deploying bots to Zoom, Google Meet, and Microsoft Teams | Real-time AI subtitles and synthesized voice interpretation in 50+ languages |
| Standout feature | Meeting recording and transcript retrieval through API endpoints | Conference mode with per-session QR codes for attendees plus main-screen subtitle display |
| Team usage | Real-time media pipeline with websocket audio input/output | Integrations with Zoom, Google Meet, Microsoft Teams, YouTube, and OBS |
| Integrations | Webhooks for event-driven workflows | Selectable speed-prioritized and accuracy-prioritized translation modes |
| Languages & capture | Calendar integration and scheduled-meeting support | Custom glossaries for industry and proper-noun accuracy |
| Best-fit workflow | Single Docker image self-hosting built on Django, PostgreSQL, and Redis | Post-event downloadable multilingual transcripts and AI summaries |
Attendee
Choose Attendee if you need developers embedding meeting recording and transcription into their own saas products — strengths include fully open source and designed for convenient self-hosting, keeping meeting data on your own infrastructure.
EventCAT
Choose EventCAT if you need providing multilingual live subtitles and audio at in-person conferences and seminars — strengths include combines both live captions and voice interpretation in one platform.
Attendee
EventCAT
It depends on your workflow. Attendee is strong for developers embedding meeting recording and transcription into their own saas products, while EventCAT is strong for providing multilingual live subtitles and audio at in-person conferences and seminars. Both transcribe and summarize meetings.
Attendee is a free tier with paid upgrades and EventCAT 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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