Alter: macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required. 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 Alter when freelancers and consultants privately capturing client calls without a visible bot matters most, and EventCAT when adding real-time translation and captions to zoom, teams, or google meet webinars matters most. Run both through a week of actual calls to see which suits your workflow.
macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required.
AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings.
Alter is a native macOS application that records, transcribes, and analyzes meetings directly on the user's Mac without sending a bot into the call. Instead of joining a meeting as a visible participant, Alter captures audio from the system output and microphone, so it works across Zoom, Microsoft Teams, Google Meet, WhatsApp, FaceTime, Skype, Discord, and in-person conversations. Transcription runs through on-device models, with a choice of an optimized Parakeet model for major languages or Whisper for broader language coverage, and speaker identification is performed locally. Because processing happens on the device, recordings and transcripts stay on the Mac and the app can operate without an internet connection. Beyond raw transcripts, Alter generates summaries and action items, lets users chat with their meetings, and connects to tools such as Notion, Slack, Linear, Asana, and Jira. It targets solopreneurs, freelancers, consultants, and other professionals who want private, bot-free meeting capture on macOS. The product is actively developed and operating in 2025 and 2026. 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
Alter 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 | Alter | EventCAT |
|---|---|---|
| Core capability | On-device transcription using built-in Whisper and Parakeet models | Real-time AI subtitles and synthesized voice interpretation in 50+ languages |
| Standout feature | Bot-free capture of system audio and microphone across any meeting or call app | Conference mode with per-session QR codes for attendees plus main-screen subtitle display |
| Team usage | Automatic speaker identification performed locally | Integrations with Zoom, Google Meet, Microsoft Teams, YouTube, and OBS |
| Integrations | AI summaries, action items, and chat-with-your-meeting Q&A | Selectable speed-prioritized and accuracy-prioritized translation modes |
| Languages & capture | Integrations with Notion, Slack, Linear, Asana, Jira and other tools | Custom glossaries for industry and proper-noun accuracy |
| Best-fit workflow | Offline operation with recordings and transcripts stored locally | Post-event downloadable multilingual transcripts and AI summaries |
Alter
Choose Alter if you need freelancers and consultants privately capturing client calls without a visible bot — strengths include local processing keeps recordings and transcripts on the user's own mac.
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.
Alter
EventCAT
It depends on your workflow. Alter is strong for freelancers and consultants privately capturing client calls without a visible bot, while EventCAT is strong for providing multilingual live subtitles and audio at in-person conferences and seminars. Both transcribe and summarize meetings.
Alter 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.
You can — some teams pair them when each covers a different part of the meeting workflow.
More head-to-head comparisons involving Alter and EventCAT.
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