Aviso AI: End-to-end AI revenue platform whose conversation intelligence records and analyzes sales calls and meetings for B2B revenue teams. Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Aviso AI when revenue teams analyzing sales calls alongside pipeline and forecast data matters most, and Callabo when logging sales and customer meetings into crm tools like salesforce or hubspot matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
End-to-end AI revenue platform whose conversation intelligence records and analyzes sales calls and meetings for B2B revenue teams.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
Aviso AI is an end-to-end AI revenue platform for B2B sales and revenue operations teams that combines forecasting, pipeline inspection, deal intelligence, and conversation intelligence in one system. Within its conversation intelligence module, Aviso records and transcribes both online meetings (via Zoom, Microsoft Teams, and Google Meet) and offline or in-person conversations, then analyzes them to surface coaching opportunities, buyer sentiment, and deal signals. It applies natural language processing and acoustic analysis to detect sentiment and emotion through tone, pitch, and pace, and generates smart transcripts and visual summaries that highlight keywords, decision-maker comments, and next steps. Its MIKI generative-AI assistant lets users query past conversations in natural language instead of scrubbing through transcripts, and a deal room centralizes recordings, transcripts, and related communications. Aviso ties these conversation insights back to pipeline health and forecasting so managers can connect rep behavior on calls to revenue outcomes. It is primarily aimed at mid-market and enterprise revenue teams that want a single AI-native platform rather than multiple point tools. Pricing varies by plan. Check the official website for current pricing.
Best suited for
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
Aviso AI is a free tier with paid upgrades (freemium); Callabo is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Aviso AI | Callabo |
|---|---|---|
| Core capability | Records and transcribes online and in-person sales meetings | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex |
| Standout feature | Sentiment and emotion analysis using text and acoustic markers | Paragraph summaries, key discussion points, and timestamped action items |
| Team usage | MIKI generative-AI assistant for natural-language querying of conversations | Automatic meeting-language detection for multilingual meetings |
| Integrations | Smart transcripts and auto-summaries with keywords and next steps | AI chat to ask follow-up questions about a meeting |
| Languages & capture | Deal room centralizing recordings, transcripts, and deal communications | Integrations with calendars, CRM, messengers, and project tools |
| Best-fit workflow | Conversation insights tied to pipeline inspection and forecasting | Enterprise security: permissions, 2FA, IP restrictions, and audit logs |
Aviso AI
Choose Aviso AI if you need revenue teams analyzing sales calls alongside pipeline and forecast data — strengths include connects conversation intelligence directly to forecasting and deal data.
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.
Aviso AI
Callabo
It depends on your workflow. Aviso AI is strong for revenue teams analyzing sales calls alongside pipeline and forecast data, while Callabo is strong for turning recurring internal team meetings into shareable summaries and action items. Both transcribe and summarize meetings.
Aviso AI is a free tier with paid upgrades and Callabo 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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