Carbon Voice: Carbon Voice is an asynchronous voice-messaging app that automatically transcribes voice memos and uses AI to generate summaries, action items, and documents. Tiro: Real-time AI meeting note-taker from Plato, strong in Korean and Japanese, with fast transcription and translation across many languages. 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 Carbon Voice when replacing status meetings and calls with async voice messages that get auto-transcribed and summarized matters most, and Tiro when cross-border teams needing real-time translation during meetings matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
Carbon Voice is an asynchronous voice-messaging app that automatically transcribes voice memos and uses AI to generate summaries, action items, and documents.
Real-time AI meeting note-taker from Plato, strong in Korean and Japanese, with fast transcription and translation across many languages.
Carbon Voice is an asynchronous voice-messaging and voice-notes app for iOS, Android, Web, and Apple Watch. Users record voice memos or messages with a single keystroke or swipe, and every message is automatically transcribed so it can be read, searched, labeled, and organized. The app is built around reducing real-time meetings and calls: instead of scheduling synchronous time, teammates exchange voice messages that the recipient can catch up on later. Layered on top is a large library of AI actions that turn raw voice into structured content — bulleted summaries, cleaned-up transcripts (removing filler words and fixing grammar), meeting notes, agendas, action items, professional emails, and longer documents such as PRDs and reports. Users can also query an AI assistant about any chat. A Global Voice feature can translate messages between languages, and messages can be sent to people who don't have the app via a secure email link. It is aimed at distributed teams, managers, and individuals who prefer talking over typing.
Best suited for
Tiro is a real-time AI meeting note-taker built by Plato (ThePlato Inc.), a company with offices in Seoul, South Korea and West Hollywood, California. It automatically records, transcribes, and summarizes conversations, with particular strength in Korean and Japanese multilingual environments alongside English. Tiro emphasizes speed, generating live transcripts with low latency and producing formatted summary documents quickly after a meeting ends. It captures meetings through a web browser, a desktop app for Windows and Mac, and mobile apps for iOS and Android, making it usable for both online calls and in-person conversations. The tool supports more than a dozen languages for transcription and offers real-time translation across many of them, which is useful for cross-border teams. Features include speaker diarization, one-click template generation for formatted notes, team collaboration with automatic note sharing, and an AI chat that lets users ask questions about a meeting. Tiro also integrates with calendars, CRM, and applicant-tracking systems. The vendor highlights an enterprise security posture, including a stated practice of not storing voice data for AI training, and ISO/IEC 27001:2022 certification. It is aimed at global and Korea- or Japan-centric teams. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Carbon Voice is a free tier with paid upgrades (freemium); Tiro is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Carbon Voice | Tiro |
|---|---|---|
| Core capability | Automatic transcription of every voice message, made searchable and organizable | Real-time transcription with low latency and quick formatted summaries |
| Standout feature | AI summaries, catch-ups, and action-item extraction from conversations | Strong Korean and Japanese support plus many other languages |
| Team usage | AI document generation (meeting notes, agendas, emails, PRDs, reports) from voice | Real-time translation across multiple languages |
| Integrations | Transcript clean-up that removes filler words and corrects grammar | Speaker diarization and one-click note templates |
| Languages & capture | Cross-platform sync across iOS, Android, Web, and Apple Watch | AI chat to ask questions about a meeting |
| Best-fit workflow | Global Voice automatic translation between languages | Web, desktop (Windows/Mac), and mobile (iOS/Android) capture |
Carbon Voice
Choose Carbon Voice if you need replacing status meetings and calls with async voice messages that get auto-transcribed and summarized — strengths include combines voice capture, automatic transcription, and a broad set of ai summarization/document actions in one app.
Tiro
Choose Tiro if you need korean and japanese teams needing accurate native-language meeting notes — strengths include optimized for korean and japanese, a gap in many western-built tools.
Carbon Voice
Tiro
It depends on your workflow. Carbon Voice is strong for replacing status meetings and calls with async voice messages that get auto-transcribed and summarized, while Tiro is strong for korean and japanese teams needing accurate native-language meeting notes. Both transcribe and summarize meetings.
Carbon Voice is a free tier with paid upgrades and Tiro 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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