Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Shadow: A bot-free, Mac-based AI meeting assistant that transcribes and summarizes calls locally without joining as a participant. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Shadow when privacy-conscious teams that prefer on-device transcription matters most. Run both through a week of actual calls to see which suits your workflow.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
A bot-free, Mac-based AI meeting assistant that transcribes and summarizes calls locally without joining as a participant.
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
Shadow is a bot-free AI meeting assistant for macOS that captures meetings by listening to your computer's audio in the background rather than joining the call as a visible participant. Because transcription runs locally on the Mac, the audio does not need to leave the device for that core processing step, which the company positions as a privacy advantage. Shadow can automatically detect when a meeting starts, transcribe the conversation with speaker identification, and turn the discussion into structured notes, summaries, and follow-up items. It also captures on-screen content alongside the spoken audio, so material shared during a call (slides, dashboards, or shared windows) can be reflected in the output. The tool works across common conferencing platforms including Zoom, Microsoft Teams, Google Meet, Webex, Slack, and Discord. Users can configure customizable prompts (described as Skills) to generate notes, summaries, or drafted emails, and connect outputs to other tools via webhooks. It is aimed at professionals and teams who want meeting capture without adding another bot to the call. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Shadow is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Shadow |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Bot-free capture that records system audio without joining the meeting as a participant |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | On-device (local) transcription on macOS |
| Team usage | Automatic meeting-language detection for multilingual meetings | Speaker identification during transcription |
| Integrations | AI chat to ask follow-up questions about a meeting | Captures on-screen content in addition to spoken audio |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Customizable prompts/Skills to generate notes, summaries, and emails |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Webhook integration to connect outputs to other tools |
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.
Shadow
Choose Shadow if you need capturing notes and summaries across multiple conferencing platforms without a bot joining — strengths include does not add a visible bot to meetings.
Callabo
Shadow
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Shadow is strong for capturing notes and summaries across multiple conferencing platforms without a bot joining. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Shadow 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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