Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. VoicePen: Apple-native AI app that records and transcribes meetings, lectures, and voice memos, then turns them into summaries and rewritten notes. 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 VoicePen when transcribing lectures and turning them into study notes 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.
Apple-native AI app that records and transcribes meetings, lectures, and voice memos, then turns them into summaries and rewritten notes.
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
VoicePen is a voice-first AI note taker built natively for the Apple ecosystem, running across iPhone, iPad, Apple Watch, and Mac. The app records and transcribes spoken audio into text, handling everything from short memos to long lectures, meetings, podcasts, and imported recordings. Once a recording is transcribed, VoicePen uses AI to generate easy-to-read summaries, structured notes, and study materials, and it offers a large set of rewrite options to reformat transcripts into bullet points, professional formats, or more casual styles. It can pull in audio and video from sources such as files, Voice Memos, Zoom recordings, podcasts, and YouTube, and it separates and labels different speakers within a transcript. A chat feature lets users ask questions about the transcribed content to surface key takeaways and action steps. VoicePen supports many languages, includes offline recording, and syncs data through iCloud, positioning itself as a personal second-brain capture tool for individuals who think and work by talking rather than typing. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); VoicePen is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | VoicePen |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Records and transcribes meetings, lectures, memos, and imported audio/video |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | AI-generated summaries plus 25+ rewrite and reformatting options |
| Team usage | Automatic meeting-language detection for multilingual meetings | Speaker separation and labeling within transcripts |
| Integrations | AI chat to ask follow-up questions about a meeting | Chat-with-your-notes Q&A to extract takeaways and action steps |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Imports from Voice Memos, Zoom recordings, podcasts, YouTube, and files |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Multilingual transcription with offline recording and iCloud sync |
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.
VoicePen
Choose VoicePen if you need capturing and summarizing in-person meetings and 1:1 conversations — strengths include native across iphone, ipad, apple watch, and mac with icloud sync.
Callabo
VoicePen
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while VoicePen is strong for capturing and summarizing in-person meetings and 1:1 conversations. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and VoicePen 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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