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. Hyperia: A programmable AI notetaker that joins online meetings as a participant to record, transcribe, and build searchable knowledge from conversations. 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 Hyperia when building a searchable archive of company conversations matters most. Try them side by side on real calls before deciding — needs vary by team.
Carbon Voice is an asynchronous voice-messaging app that automatically transcribes voice memos and uses AI to generate summaries, action items, and documents.
A programmable AI notetaker that joins online meetings as a participant to record, transcribe, and build searchable knowledge from conversations.
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
Hyperia is an AI meeting assistant built around a programmable notetaker that can join online meetings as a participant to record, transcribe, summarize, and analyze conversations. It supports major conferencing platforms including Zoom, Microsoft Teams, and Google Meet, and can automatically detect meeting links on a connected calendar and join them, or be directed to specific meetings through more granular instructions. Beyond simple voice transcription, Hyperia is positioned as a way to build a searchable knowledge base from a company's calls and meetings, surfacing summaries, action items, and highlights from across many conversations. Its programmable API lets developers and teams direct the notetaker to join a given Zoom, Google Meet, or Microsoft Teams meeting and live-stream audio for analysis, transcription, and natural-language enrichment. Hyperia can route meeting summaries, transcripts, action items, insights, and alerts into CRMs and other SaaS tools through integrations, including via Zapier. It is aimed at teams that want both automated meeting capture and the ability to programmatically integrate meeting data into their own workflows and systems. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Carbon Voice is a free tier with paid upgrades (freemium); Hyperia is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Carbon Voice | Hyperia |
|---|---|---|
| Core capability | Automatic transcription of every voice message, made searchable and organizable | Notetaker joins Zoom, Microsoft Teams, and Google Meet as a participant |
| Standout feature | AI summaries, catch-ups, and action-item extraction from conversations | Automatic calendar detection and joining of scheduled meetings |
| Team usage | AI document generation (meeting notes, agendas, emails, PRDs, reports) from voice | Programmable API to direct the notetaker and stream audio for analysis |
| Integrations | Transcript clean-up that removes filler words and corrects grammar | Transcription, summaries, action items, and highlights |
| Languages & capture | Cross-platform sync across iOS, Android, Web, and Apple Watch | Searchable knowledge base built from calls and meetings |
| Best-fit workflow | Global Voice automatic translation between languages | CRM and SaaS integrations, including via Zapier |
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.
Hyperia
Choose Hyperia if you need automatically capturing and summarizing recurring team or client calls — strengths include programmable api offers flexibility for custom workflows and integrations.
Carbon Voice
Hyperia
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 Hyperia is strong for automatically capturing and summarizing recurring team or client calls. Both transcribe and summarize meetings.
Carbon Voice is a free tier with paid upgrades and Hyperia is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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