Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Rehearsal: Video-based roleplay and AI practice platform where sales teams rehearse real-world scenarios and get feedback. 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 Rehearsal when certifying reps' messaging through reviewer-scored practice attempts 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.
Video-based roleplay and AI practice platform where sales teams rehearse real-world scenarios and get feedback.
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
Rehearsal is a video-based practice and roleplay platform, developed by ELB Learning, that gives sales teams and other learners a safe environment to practice their selling and communication skills before high-stakes situations. Learners record video responses to real-world scenarios, build the muscle memory needed to perform under pressure, and receive feedback through multiple practice attempts. The platform pairs traditional video roleplay with AI capabilities: an AI-powered feature evaluates learner video responses and provides automated feedback and assessment metrics, complementing human review from mentors and managers. Rehearsal Coaching supports collaborative, iterative learning by letting reviewers leave feedback and allowing learners to retry until they improve, which is useful for objection handling, pitch delivery, and discovery conversations. While the platform is widely used for sales enablement, it also supports adjacent use cases such as customer support training, leadership development, onboarding, and education. The company, founded by Darik Volpa and based in Reno, Nevada, describes itself as privately held and growing, and Rehearsal maintains a presence on review sites such as G2. It is an established, actively operating product suited to organizations that want structured, repeatable video practice with both AI and human feedback loops. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Rehearsal is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Rehearsal |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Video-based roleplay where learners record responses to scenarios |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | AI evaluation of video responses with automated feedback and metrics |
| Team usage | Automatic meeting-language detection for multilingual meetings | Iterative coaching with multiple practice attempts and reviewer feedback |
| Integrations | AI chat to ask follow-up questions about a meeting | Mentor and manager review workflows alongside AI assessment |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Scenario library spanning sales, support, leadership, and onboarding |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Anytime, anywhere access for distributed teams |
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.
Rehearsal
Choose Rehearsal if you need rehearsing sales pitches and discovery on video before real meetings — strengths include combines ai assessment with human mentor feedback for richer coaching.
Callabo
Rehearsal
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Rehearsal is strong for rehearsing sales pitches and discovery on video before real meetings. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Rehearsal 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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