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. Fast Rekap: iOS meeting recorder that transcribes conversations and turns them into structured summaries, presentation slides, and mind maps with chat-with-transcript Q&A. This comparison weighs them on pricing, features, and everyday workflow fit.
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 Fast Rekap when capturing lectures or classes and generating mind maps for study 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.
iOS meeting recorder that transcribes conversations and turns them into structured summaries, presentation slides, and mind maps with chat-with-transcript Q&A.
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
Fast Rekap (also branded FastRekap AI) is an iOS application that records meetings, lectures, and voice memos, transcribes them into text, and instantly generates structured outputs. Beyond a standard transcript, the app produces concise AI summaries that highlight key decisions and action items, and it can automatically convert the captured content into presentation slide decks and visual mind maps, which sets it apart from notetakers that produce only text notes. A smart Q&A feature lets users chat with a transcript and receive context-aware answers based on the meeting content. Notes are saved, searchable, and shareable, with PDF export and automatic email delivery of summaries and full transcripts after each recording. The app supports a wide range of languages (the listing cites support across many languages including Spanish, French, German, Chinese, Japanese, Korean, Arabic, Russian, and Vietnamese). Fast Rekap was first released in September 2025 and is actively updated, available on the Apple App Store for iPhone. It targets professionals, students, and anyone who needs to turn spoken sessions into organized, presentable documentation quickly. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Carbon Voice is a free tier with paid upgrades (freemium); Fast Rekap is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Carbon Voice | Fast Rekap |
|---|---|---|
| Core capability | Automatic transcription of every voice message, made searchable and organizable | One-tap recording and accurate speech-to-text transcription |
| Standout feature | AI summaries, catch-ups, and action-item extraction from conversations | AI summaries highlighting decisions and action items |
| Team usage | AI document generation (meeting notes, agendas, emails, PRDs, reports) from voice | Automatic generation of presentation slide decks |
| Integrations | Transcript clean-up that removes filler words and corrects grammar | Mind-map generation from transcripts |
| Languages & capture | Cross-platform sync across iOS, Android, Web, and Apple Watch | Chat-with-transcript Q&A |
| Best-fit workflow | Global Voice automatic translation between languages | PDF export and automatic email delivery of summaries and transcripts |
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.
Fast Rekap
Choose Fast Rekap if you need recording meetings and turning them into shareable slide decks — strengths include goes beyond notes to produce slides and mind maps.
Carbon Voice
Fast Rekap
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 Fast Rekap is strong for recording meetings and turning them into shareable slide decks. Both transcribe and summarize meetings.
Carbon Voice is a free tier with paid upgrades and Fast Rekap 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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