Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Klang: Swedish AI meeting transcription and conversation-intelligence platform with EU-hosted, GDPR-aligned processing and its own European speech models. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Klang when documenting interviews and investigations where verified transcripts are required (legal, audit, insurance, research) 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.
Swedish AI meeting transcription and conversation-intelligence platform with EU-hosted, GDPR-aligned processing and its own European speech models.
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
Klang is an AI transcription and conversation-intelligence platform developed and operated by Klang AI AB, headquartered in Helsingborg, Sweden. The company positions itself as European AI built in Sweden, running its own models that are adapted to European data-protection requirements, with EU-based data storage options and per-user encryption. Klang captures meetings, interviews and conversations and turns them into searchable, structured records: it transcribes with speaker identification, supports manual error correction and advanced editing, and generates summaries, decision items and action items automatically. A daily-briefing capability surfaces patterns and insights drawn from multiple conversations, and the platform makes prior discussions searchable so teams can revisit decisions. Klang is available as a web application and mobile apps, and connects to a range of workplace tools including Slack, Zoom, Google Workspace and Microsoft Teams. It is marketed toward sectors that require verified transcripts and compliance documentation, such as insurance claims investigation, legal firms, audit teams, research institutions and social services. The product is actively operating in 2025/2026 with a published team and live web and mobile applications. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Klang is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Klang |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | High-precision transcription with automatic error correction and speaker identification |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | AI-generated summaries, decision items and action items |
| Team usage | Automatic meeting-language detection for multilingual meetings | Daily briefings highlighting patterns and insights across conversations |
| Integrations | AI chat to ask follow-up questions about a meeting | Searchable conversation history |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Integrations with Slack, Zoom, Google Workspace and Microsoft Teams |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Web and mobile (iOS/Android) apps |
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.
Klang
Choose Klang if you need transcribing and summarizing internal and client meetings for swedish and eu teams — strengths include european-built with its own models tuned to eu data-protection requirements.
Callabo
Klang
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Klang is strong for transcribing and summarizing internal and client meetings for swedish and eu teams. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Klang is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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