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. Spinach: AI meeting assistant that joins Zoom, Google Meet, Teams, and Webex calls to record, transcribe, summarize, capture action items, and push updates to tools like Slack and Jira. 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 Spinach when generating engineering standup and sprint updates and syncing tasks to jira or linear 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.
AI meeting assistant that joins Zoom, Google Meet, Teams, and Webex calls to record, transcribe, summarize, capture action items, and push updates to tools like Slack and Jira.
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
Spinach (Spinach AI, by StayIn, Inc.) is an AI meeting assistant that joins video calls on Zoom, Google Meet, Microsoft Teams, Webex, and Slack Huddles to record, transcribe, and summarize discussions, with transcription support across roughly 100 languages. It captures meeting notes, decisions, and action items, then automates follow-up by drafting recaps and pushing updates into connected tools. Integrations include Slack, Jira, Asana, Linear, Notion, Trello, ClickUp, Monday.com, and Confluence, plus CRMs such as Salesforce, HubSpot, Attio, and Zoho. It offers role-specific outputs (for example PRD drafts for product managers and sprint planning support for engineering teams) and an "Ask Spinach" AI assistant for querying meeting content. The free Starter plan offers unlimited meeting recording and transcription with basic AI summaries and calendar/Slack integration (7-day recording retention), while advanced AI, Ask Spinach, and project-management/CRM integrations require a paid plan. Spinach maintains SOC 2 Type II, GDPR, and HIPAA compliance.
Best suited for
Carbon Voice is a free tier with paid upgrades (freemium); Spinach is from $0/mo (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Carbon Voice | Spinach |
|---|---|---|
| Core capability | Automatic transcription of every voice message, made searchable and organizable | Meeting recording & transcription |
| Standout feature | AI summaries, catch-ups, and action-item extraction from conversations | AI summaries & action items |
| Team usage | AI document generation (meeting notes, agendas, emails, PRDs, reports) from voice | Project tool & CRM integrations |
| Integrations | Transcript clean-up that removes filler words and corrects grammar | Ask Spinach assistant |
| Languages & capture | Cross-platform sync across iOS, Android, Web, and Apple Watch | 100-language support |
| Best-fit workflow | Global Voice automatic translation between languages | Meeting recording & transcription |
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.
Spinach
Choose Spinach if you need automatically taking and sharing notes, summaries, and action items from team meetings — strengths include free starter plan offers unlimited meeting recording, transcription, and basic ai summaries.
Carbon Voice
Spinach
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 Spinach is strong for automatically taking and sharing notes, summaries, and action items from team meetings. Both transcribe and summarize meetings.
Carbon Voice is a free tier with paid upgrades and Spinach is from $0/mo. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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