Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Sembly AI: Team-focused notetaker with action items across 48 languages The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Sembly AI when multilingual meeting 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.
Team-focused notetaker with action items across 48 languages
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
Sembly AI records and transcribes meetings in 40+ languages, then produces AI notes, summaries, and automatically detected tasks, with an AI chat assistant (Semblian) over single or multiple meetings. It connects to Zoom, Google Meet, Microsoft Teams, and Webex, and automates via Zapier, webhooks, MCP, and CRM tools. As of March 2026, Sembly no longer offers a permanent free plan — the only no-cost option is a time-limited Basic free trial; paid plans start at $10/user/mo (annual).
Best suited for
Callabo is a free tier with paid upgrades (freemium); Sembly AI is from $10/mo (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Sembly AI |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | 40+ language transcription |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Automated action items |
| Team usage | Automatic meeting-language detection for multilingual meetings | Semblian AI chat |
| Integrations | AI chat to ask follow-up questions about a meeting | Workflow automations |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | 40+ language transcription |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Automated action items |
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.
Sembly AI
Choose Sembly AI if you need team ai notes with task automation — strengths include transcription and ai notes in 40+ languages.
Callabo
Sembly AI
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Sembly AI is strong for team ai notes with task automation. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Sembly AI is from $10/mo. 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.
More head-to-head comparisons involving Callabo and Sembly AI.
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