Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. HeyMarvin: AI research assistant that records and transcribes user-research interviews and builds a searchable insights repository. Below, they line up on price, capture method, and how each fits a real meeting stack.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and HeyMarvin when product teams clustering interview feedback into shareable themes matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
AI research assistant that records and transcribes user-research interviews and builds a searchable insights repository.
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
HeyMarvin (Marvin) is an AI-native customer insights platform aimed at user-research and product teams, with the research interview as its central meeting type. During live user-research calls it records sessions, transcribes them automatically, and lets researchers capture time-stamped notes and highlights, including collaborative live note-taking with teammates. After the session, its AI workflows distill feedback into themes and patterns, and an Ask AI feature lets teams query their data and get answers with citations back to the source clips. Everything feeds a centralized, searchable research repository that brings qualitative and quantitative inputs together from many sources, so insights are not scattered across documents and recordings. The platform also offers AI-moderated interviews in multiple languages, video clips and curated playlists for sharing findings, and integrations with tools used to distribute insights. It includes privacy and security features such as PII redaction and enterprise compliance. For a meeting-tools directory, its relevance is the combination of interview capture, AI notetaking, and a repository tuned for analyzing user-research conversations rather than general meetings. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); HeyMarvin is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | HeyMarvin |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Records and automatically transcribes user-research interview calls |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Time-stamped notes and collaborative live note-taking during sessions |
| Team usage | Automatic meeting-language detection for multilingual meetings | AI thematic analysis that clusters feedback into themes and patterns |
| Integrations | AI chat to ask follow-up questions about a meeting | Ask AI querying across research data with citations to source clips |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Searchable centralized research repository combining many data sources |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Video clips, highlight reels, and insight reports for sharing findings |
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.
HeyMarvin
Choose HeyMarvin if you need ux researchers transcribing and tagging user-interview calls — strengths include tailored to user-research interviews rather than generic meeting notes.
Callabo
HeyMarvin
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while HeyMarvin is strong for ux researchers transcribing and tagging user-interview calls. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and HeyMarvin 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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