EventCAT: AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings. OpenWhispr: Open-source, privacy-first voice-to-text desktop app for Mac, Windows, and Linux that also transcribes meetings into AI-organized notes. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist EventCAT when providing multilingual live subtitles and audio at in-person conferences and seminars matters most, and OpenWhispr when turning rough in-meeting notes into structured summaries and action items matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings.
Open-source, privacy-first voice-to-text desktop app for Mac, Windows, and Linux that also transcribes meetings into AI-organized notes.
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
OpenWhispr is an open-source desktop application for macOS, Windows, and Linux that converts speech to text and includes a meeting notes capability built on the same engine. Its core function is global-hotkey dictation that inserts transcribed text at the cursor in any application, but it also ships an AI Notepad for meetings, an AI Chat that can reference past meetings, and an audio upload feature for transcribing recorded files. For meetings it captures the computer's audio directly rather than sending a bot into the call, transcribes the conversation in the background, and combines rough notes with the transcript to produce structured minutes that highlight decisions, action items, and next steps. Transcription can run locally using bundled Whisper and NVIDIA Parakeet models or connect to cloud models with a bring-your-own-key setup, and the project emphasizes that audio can be processed and discarded for privacy. The codebase is publicly available on GitHub and the app is actively maintained through 2026. It is aimed at developers, writers, and individuals or small teams who want a private, auditable, cross-platform transcription and meeting-notes tool. Pricing varies by plan. Check the official website for current pricing.
Best suited for
EventCAT is a free tier with paid upgrades (freemium); OpenWhispr is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | EventCAT | OpenWhispr |
|---|---|---|
| Core capability | Real-time AI subtitles and synthesized voice interpretation in 50+ languages | Open-source and auditable, with code published on GitHub |
| Standout feature | Conference mode with per-session QR codes for attendees plus main-screen subtitle display | Cross-platform desktop app for macOS, Windows, and Linux |
| Team usage | Integrations with Zoom, Google Meet, Microsoft Teams, YouTube, and OBS | Local transcription via bundled Whisper and NVIDIA Parakeet models |
| Integrations | Selectable speed-prioritized and accuracy-prioritized translation modes | Bring-your-own-key cloud model option for flexibility |
| Languages & capture | Custom glossaries for industry and proper-noun accuracy | AI Notepad that turns rough meeting notes plus transcript into structured minutes |
| Best-fit workflow | Post-event downloadable multilingual transcripts and AI summaries | Full-text search and AI Chat across captured meetings |
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.
OpenWhispr
Choose OpenWhispr if you need privately transcribing computer-audio meetings without a bot joining the call — strengths include fully open source, so users can inspect and self-host the code.
EventCAT
OpenWhispr
It depends on your workflow. EventCAT is strong for providing multilingual live subtitles and audio at in-person conferences and seminars, while OpenWhispr is strong for privately transcribing computer-audio meetings without a bot joining the call. Both transcribe and summarize meetings.
EventCAT is a free tier with paid upgrades and OpenWhispr is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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