Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Thoth: Privacy-first macOS app that records, transcribes, and summarizes meetings entirely on-device with no cloud or data leaving the Mac. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Thoth when users who want offline, private meeting notes on a mac matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
Privacy-first macOS app that records, transcribes, and summarizes meetings entirely on-device with no cloud or data leaving the Mac.
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
Thoth is a native macOS application, created by Matthieu Veinhard, that records, transcribes, and summarizes meetings entirely on the user's device. It captures both microphone and system audio so it can record both sides of online meetings on platforms such as Zoom, Teams, and Google Meet, and it provides live transcription with on-device speech-to-text. An on-device engine detects and color-codes individual speakers in the transcript, and the app supports a large number of languages via Whisper-based transcription. After a meeting, Thoth extracts notes, action items, and key decisions, and lets users choose between several on-device models or supply their own cloud API key, with an on-device anonymization step that can redact sensitive information before any optional cloud processing. Output can be exported to formats including PDF, Word, Markdown, and timestamped JSON. Because the app has no server and no user database, the company emphasizes that there is nothing to breach or hand over. Thoth requires Apple Silicon and is aimed at privacy-conscious professionals, those handling confidential information, and neurodivergent users who benefit from automatic capture, and it is available on the Mac App Store with an iOS beta in progress. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Thoth is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Thoth |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | 100% local, on-device recording, transcription, and summarization |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Dual-channel capture of microphone and system audio |
| Team usage | Automatic meeting-language detection for multilingual meetings | On-device speaker detection with color-coded transcripts |
| Integrations | AI chat to ask follow-up questions about a meeting | Whisper-based transcription supporting many languages |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | On-device anonymization to redact sensitive content |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Export to PDF, Word, Markdown, and timestamped JSON |
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.
Thoth
Choose Thoth if you need professionals handling confidential or regulated information — strengths include fully local processing with no cloud requirement and no user database.
Callabo
Thoth
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Thoth is strong for professionals handling confidential or regulated information. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Thoth is a free tier with paid upgrades. 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.
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