Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Voiso: Voiso is a cloud contact-center platform with AI speech analytics that transcribes calls into searchable text, scores conversations, and generates automatic call summaries. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Voiso when sales and support managers scoring agent performance and coaching from call summaries 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.
Voiso is a cloud contact-center platform with AI speech analytics that transcribes calls into searchable text, scores conversations, and generates automatic call 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
Voiso is a cloud-based contact-center platform built for sales and customer-service teams, combining voice, SMS, and messaging channels with AI-driven analytics in a single workspace. Its speech analytics suite processes recorded call audio through speech-to-text and natural-language pipelines, transcribing calls into searchable text across more than ten languages, including English, Spanish, French, and Arabic. Transcripts can be navigated, searched, and flagged against predefined or custom keyword lists to support quality assurance, compliance, and agent training. Beyond raw transcription, the platform applies AI to score conversations on a 1-to-5 scale, detect sentiment and emotional cues, and automatically generate concise call summaries that capture key topics and outcomes without reviewing full recordings. It is aimed at call centers, BPOs, and outbound and inbound teams in industries such as fintech, travel, retail, and e-commerce. Other platform capabilities include a predictive dialer, IVR and routing flow builder, CRM integrations, call recording, and real-time performance dashboards. Speech analytics features are available on its Pro plan and higher.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Voiso is a free tier with paid upgrades (paid). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Voiso |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | AI call transcription converting audio into searchable text in 10+ languages |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | AI conversation scoring rating calls on a 1-to-5 scale across languages |
| Team usage | Automatic meeting-language detection for multilingual meetings | Sentiment and emotion analysis detecting tone and customer satisfaction cues |
| Integrations | AI chat to ask follow-up questions about a meeting | Automatic call summaries highlighting key topics and outcomes |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Keyword highlighting with custom lists for compliance and QA flagging |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Call recording with real-time dashboards and performance reporting |
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.
Voiso
Choose Voiso if you need quality assurance and compliance teams reviewing transcribed, keyword-flagged calls — strengths include transcription and analytics are integrated directly into the contact-center workflow, including recording, dialing, and routing.
Callabo
Voiso
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Voiso is strong for quality assurance and compliance teams reviewing transcribed, keyword-flagged calls. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Voiso 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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