Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. noScribe: Free, open-source desktop transcriber that runs Whisper and pyannote fully locally with speaker identification and a synchronized editor. 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 noScribe when journalists generating diarized transcripts of recorded conversations 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.
Free, open-source desktop transcriber that runs Whisper and pyannote fully locally with speaker identification and a synchronized editor.
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
noScribe is a free, open-source desktop transcription tool that runs entirely on the user's own computer to protect the confidentiality of recordings. Licensed under GPL-3.0 and actively maintained, with a v0.7.2 maintenance release in June 2026, it is built around OpenAI's Whisper (via the faster-whisper library) for speech recognition and pyannote for speaker diarization, so it can distinguish between different speakers and label who said what. It understands around 60 languages and supports automatic or manually specified speaker counts. noScribe is primarily designed for producing high-quality transcripts of interviews for qualitative social research and journalistic work, and it ships with a dedicated companion editor, noScribeEdit, that synchronizes audio playback with the transcript text and provides search and replace, formatting, zoom, and playback-speed controls. It supports Windows (with optional CUDA acceleration on Nvidia GPUs), macOS on Apple Silicon, and Linux in both CPU and CUDA versions. Additional capabilities include batch transcription, pause detection and marking, an experimental overlapping-speech detection mode, and export to multiple formats such as HTML, VTT, and TXT, plus an available command-line interface for scripted use. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); noScribe is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | noScribe |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Fully local transcription using Whisper via faster-whisper |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Speaker diarization with pyannote (automatic or manual speaker counts) |
| Team usage | Automatic meeting-language detection for multilingual meetings | Support for around 60 languages |
| Integrations | AI chat to ask follow-up questions about a meeting | Synchronized companion editor (noScribeEdit) with playback follow-along |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Batch transcription, pause detection, and experimental overlapping-speech detection |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Exports to HTML, VTT, and TXT plus a command-line interface |
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.
noScribe
Choose noScribe if you need researchers transcribing qualitative interviews while keeping data on their own machine — strengths include runs 100% locally to keep sensitive recordings confidential.
Callabo
noScribe
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while noScribe is strong for researchers transcribing qualitative interviews while keeping data on their own machine. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and noScribe 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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