Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Kai for Chrome: A Chrome extension that transcribes and summarizes meetings entirely on-device in the browser, with no bot, no account, and no upload. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Kai for Chrome when generating quick meeting summaries and action items without any setup matters most. Try them side by side on real calls before deciding — needs vary by team.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
A Chrome extension that transcribes and summarizes meetings entirely on-device in the browser, with no bot, no account, and no upload.
Callabo (콜라보) is an AI meeting assistant developed by Return Zero (리턴제로), a Korean speech-AI company. It automatically records, transcribes, summarizes, and analyzes business meetings for both individuals and enterprise teams, aiming to turn a one-hour meeting into organized notes with a single click and no complex setup. Callabo connects to online meetings on Google Meet, Microsoft Teams, Zoom, and Webex, and also supports recording in-person meetings. After a meeting it produces transcripts, paragraph summaries, key discussion points, and action items with timestamped source quotes, and it can automatically detect the meeting language to handle multilingual conversations. An AI chat feature lets users ask follow-up questions about a meeting beyond the generated insights. The service integrates with workflow tools including Google Calendar, Outlook, Salesforce, Pipedrive, HubSpot, Slack, Microsoft Teams, Zapier, Notion, Confluence, and Linear. For enterprises, Callabo provides meeting access controls, team and member permission management, original-media retention settings, two-factor authentication, IP access restrictions, and audit logs, and it holds ISO/IEC 27001 certification. Mobile apps are available for both iOS and Android. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Kai is a Chrome extension that transcribes and summarizes meetings entirely within the browser, running the full pipeline on the user's own device. Built by Morgen, the team behind the Morgen calendar app, it captures audio from any meeting or audio tab in Chrome, including Google Meet, the Zoom web client, and Microsoft Teams, without sending a bot into the call and without requiring an account or sign-up. Recording is triggered with a keyboard shortcut from the meeting tab. Audio capture happens in an offscreen document inside the extension and is transcribed locally using a Whisper speech-to-text model running via WebGPU or WebAssembly, so the audio never leaves the machine. At the end of a call, a local language model produces a clean summary with decisions, topics, and action items, including who is responsible. A side-panel interface lets users follow the transcript live during the meeting, and notes can optionally be emailed to a team in one click, at which point only the final text is shared. This makes Kai well suited to individuals who want fast, private, browser-based meeting notes without installing a desktop app or adding a visible bot, with an initial focus on English-language meetings. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Kai for Chrome is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Kai for Chrome |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Fully on-device transcription in the browser via Whisper on WebGPU or WebAssembly |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Bot-free capture from Google Meet, Zoom web, Teams, and any Chrome audio tab |
| Team usage | Automatic meeting-language detection for multilingual meetings | No account or sign-up required to start transcribing |
| Integrations | AI chat to ask follow-up questions about a meeting | Keyboard-shortcut recording with a live transcript side panel |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Local summaries with decisions, topics, and assigned action items |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | One-click optional email sharing of finished notes |
Callabo
Choose Callabo if you need turning recurring internal team meetings into shareable summaries and action items — strengths include serves both individual users and enterprise teams.
Kai for Chrome
Choose Kai for Chrome if you need privately transcribing google meet, zoom web, or teams calls inside chrome — strengths include audio and transcription stay on-device for strong privacy.
Callabo
Kai for Chrome
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Kai for Chrome is strong for privately transcribing google meet, zoom web, or teams calls inside chrome. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Kai for Chrome 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.
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