Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Slipbox: Privacy-first, bot-free AI meeting companion that captures system audio locally on Mac and Windows and turns it into transcripts, notes, and summaries. 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 Slipbox when privacy-conscious professionals who cannot use cloud meeting bots 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.
Privacy-first, bot-free AI meeting companion that captures system audio locally on Mac and Windows and turns it into transcripts, notes, and summaries.
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
Slipbox is a privacy-first AI meeting companion built for individual professionals and teams who want to capture meetings without sending a bot into the call. Instead of joining a conference as a visible participant, Slipbox runs on your own machine and captures the device's system audio alongside your microphone, then transcribes the conversation on-device in real time. As the meeting progresses it can surface real-time insights and cues, and once the conversation ends it generates AI summaries using customizable templates, tagged notes, and searchable meeting records. Because the core transcription happens locally, audio does not need to leave the device, and the product uses a hybrid model in which optional cloud features can be turned on when needed; users can also bring their own LLM API key or point Slipbox at local models such as Ollama to keep data within their firewall. It works across common communication apps including Zoom, Microsoft Teams, Google Meet, Slack, FaceTime, WhatsApp, Signal, Telegram, Discord, and Webex, and integrates with note tools like Obsidian. Slipbox is available for macOS, Windows, and iPhone, and is suited to consultants, researchers, and privacy-conscious knowledge workers who want a personal meeting record without a meeting bot. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Slipbox is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Slipbox |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Bot-free capture of system audio plus microphone directly on the device |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | On-device, real-time transcription with optional hybrid cloud features |
| Team usage | Automatic meeting-language detection for multilingual meetings | AI summaries from customizable templates, tagged notes, and searchable records |
| Integrations | AI chat to ask follow-up questions about a meeting | Automatic meeting detection across Zoom, Teams, Meet, Slack, FaceTime and more |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Bring-your-own LLM API key or local model support (e.g. Ollama) |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Speaker identification, semantic search, and Obsidian integration |
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.
Slipbox
Choose Slipbox if you need consultants and researchers keeping private records of client and interview calls — strengths include no bot joins the call, so capture is discreet across many platforms.
Callabo
Slipbox
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Slipbox is strong for consultants and researchers keeping private records of client and interview calls. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Slipbox 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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