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. Cresta: Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence. 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 Cresta when analyzing every interaction to identify behaviors that drive outcomes matters most. Run both through a week of actual calls to see which suits your workflow.
Carbon Voice is an asynchronous voice-messaging app that automatically transcribes voice memos and uses AI to generate summaries, action items, and documents.
Enterprise contact-center AI platform combining real-time agent assist, autonomous AI agents, and conversation intelligence.
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
Cresta is an enterprise customer-experience AI platform that unifies human and AI agents across voice and digital channels. It captures conversations through integrations with major contact-center systems such as Genesys, NICE, Salesforce, Twilio, and Amazon Connect, then analyzes those interactions at scale to surface behavioral insights and deliver real-time guidance. Its Agent Assist listens to live conversations and provides agents with in-the-moment suggestions, knowledge, and next-best actions, while a Knowledge Agent proactively surfaces context-aware answers without manual prompting. Cresta's conversation intelligence analyzes 100% of interactions to identify the behaviors that drive outcomes, and its automated quality management scores conversations across the board so supervisors gain visibility without manual sampling. The platform also offers autonomous AI agents that can resolve customer conversations end to end, plus an Agent Operations Center that gives supervisors real-time visibility and intervention tools across both human and AI-led conversations. Cresta is built for large enterprise contact centers in industries such as financial services, travel and hospitality, telecommunications, insurance, and healthcare that need real-time assistance, coaching, and analytics at scale. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Carbon Voice is a free tier with paid upgrades (freemium); Cresta is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Carbon Voice | Cresta |
|---|---|---|
| Core capability | Automatic transcription of every voice message, made searchable and organizable | Real-time Agent Assist with live suggestions and knowledge |
| Standout feature | AI summaries, catch-ups, and action-item extraction from conversations | Conversation intelligence analyzing 100% of interactions |
| Team usage | AI document generation (meeting notes, agendas, emails, PRDs, reports) from voice | Automated quality management and scoring across all calls |
| Integrations | Transcript clean-up that removes filler words and corrects grammar | Knowledge Agent that proactively surfaces context-aware answers |
| Languages & capture | Cross-platform sync across iOS, Android, Web, and Apple Watch | Autonomous AI agents for end-to-end conversation resolution |
| Best-fit workflow | Global Voice automatic translation between languages | Integrations with Genesys, NICE, Salesforce, Twilio, and Amazon Connect |
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.
Cresta
Choose Cresta if you need assisting contact-center agents in real time during customer conversations — strengths include delivers real-time guidance during live conversations, not just post-call review.
Carbon Voice
Cresta
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 Cresta is strong for assisting contact-center agents in real time during customer conversations. Both transcribe and summarize meetings.
Carbon Voice is a free tier with paid upgrades and Cresta 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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