Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Strella: AI-moderated customer research platform that runs in-depth interviews and synthesizes findings in real time, with an option for human-led calls. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Strella when b2b and b2c qualitative studies with built-in recruitment 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-moderated customer research platform that runs in-depth interviews and synthesizes findings in real time, with an option for human-led calls.
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
Strella is an AI-powered customer research platform designed to run in-depth interviews and generate actionable insights in hours rather than weeks. Teams create a study in minutes using AI-generated, unbiased discussion guides that any team member can refine and launch, and they can either lead interviews themselves or hand moderation to Strella's AI moderator for faster results. During AI-moderated sessions, the platform conducts the conversation and adapts questions in real time based on each participant's responses, asking thoughtful follow-up questions to explore topics more deeply. Strella handles study logistics including recruitment, incentives, and scheduling, and offers a choice between interviewing customers a team already knows or recruiting from a panel of millions of global participants with targeting across professional, demographic, and behavioral segments; it supports research in dozens of languages for both B2B and B2C studies. On the analysis side, the platform synthesizes findings in real time, identifies themes across participants and segments, and lets researchers chat with their research to generate video highlight reels and pull insights at multiple levels, from an individual participant up to broader strategic patterns. The company is venture-backed and reports use by recognized consumer brands. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Strella is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Strella |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | AI moderator conducting adaptive, in-depth interviews in real time |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Optional human-led moderation alongside AI-moderated sessions |
| Team usage | Automatic meeting-language detection for multilingual meetings | AI-generated unbiased discussion guides editable by the team |
| Integrations | AI chat to ask follow-up questions about a meeting | Recruitment, incentives, and scheduling handled in-platform |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Real-time synthesis with cross-participant and segment-level themes |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Chat-with-research and video highlight reel generation |
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.
Strella
Choose Strella if you need rapid customer discovery and concept validation interviews — strengths include flexibility to run interviews via ai or have a human moderate.
Callabo
Strella
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Strella is strong for rapid customer discovery and concept validation interviews. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Strella 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.
More head-to-head comparisons involving Callabo and Strella.
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