Ava: AI live captioning and transcription app for accessibility, providing real-time captions for conversations and video meetings. Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Ava when real-time captioning for deaf and hard-of-hearing participants matters most, and Callabo when logging sales and customer meetings into crm tools like salesforce or hubspot matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
AI live captioning and transcription app for accessibility, providing real-time captions for conversations and video meetings.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
Ava is a live captioning and transcription service built primarily for deaf and hard-of-hearing users, as well as for organizations that need accessible meetings and conversations. The app captures audio from in-person conversations and from video conferencing tools, then generates real-time captions on a phone, computer, or in the meeting interface. Ava combines automatic speech recognition with an optional professional scribe service for higher-accuracy, ADA-compliant captioning, giving users a choice between fast AI captions and human-assisted transcription. Features include color-coded speaker identification so users can follow who said what, support for many languages, and stored transcripts and summaries after a conversation ends. Through its Ava Connect integration, the service connects with Zoom, Google Meet, and Microsoft Teams, and it is available across mobile (iOS and Android), web, and desktop (Windows and Mac). Ava is aimed at individuals who need accessibility support in daily conversations and meetings, as well as at educational institutions, healthcare providers, corporations, and event venues that must provide compliant real-time captioning without committing to a traditional CART contract. 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
Ava 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 | Ava | Callabo |
|---|---|---|
| Core capability | Integration with Zoom, Google Meet, and Microsoft Teams | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex |
| Standout feature | Real-time live captions for in-person and online conversations | Paragraph summaries, key discussion points, and timestamped action items |
| Team usage | Color-coded speaker identification | Automatic meeting-language detection for multilingual meetings |
| Integrations | Optional professional scribe service for higher accuracy | AI chat to ask follow-up questions about a meeting |
| Languages & capture | Mobile, web, and desktop apps | Integrations with calendars, CRM, messengers, and project tools |
| Best-fit workflow | Saved transcripts and conversation summaries | Enterprise security: permissions, 2FA, IP restrictions, and audit logs |
Ava
Choose Ava if you need real-time captioning for deaf and hard-of-hearing participants — strengths include strong accessibility focus for deaf and hard-of-hearing users.
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.
Ava
Callabo
It depends on your workflow. Ava is strong for real-time captioning for deaf and hard-of-hearing participants, while Callabo is strong for turning recurring internal team meetings into shareable summaries and action items. Both transcribe and summarize meetings.
Ava 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.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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