CosVoice
Gives your AI assistant (Grok, Claude, ChatGPT and others) its own US phone number and email, so it can make and answer calls and send written summaries.
- Pricing at a glance
- Starter $29/month for 100 minutes; Plus $79; Pro $199; extra minutes $0.25
- Starting price
- From $29/mo
- Setup
- Quick self-serve
- Try it
- Self-serve trial
- Free to start
- Free trial
Connect your assistant and try a few real calls with the 10 trial minutes.
Review the access you give your assistant before letting it call for you.
At a glance
Product
- DetailWorks on
Phone, SMS, Email, MCP
- Not publishedLanguages
Not published
- SupportedFree to start
Free trial
7 days with 10 minutes; card required
- SupportedDeveloper API
Yes
Trust
- Not publishedSOC 2
Not published
- Not publishedGDPR
Not published
Morak scorecard
How we score →- Ease of setupQuick self-serve
Connect your assistant over MCP and save the number.
- Pricing transparencyPlans published
Plan prices are listed on the vendor's site.
- Try before you buySelf-serve trial
Sign up and test it yourself before paying.
- Compliance readinessNot published
No SOC 2, GDPR or HIPAA commitments are published.
- Integration coverage2 of 3 covered
Connects to workspace tools and automation or API. Not listed: your devices.
Typical score among personal & creator tools
Give your AI assistant a phone line of its own
What you get
Let Grok, Claude, ChatGPT or Cursor make and answer calls through a real US number, with a written summary after each call.
What to account for
Numbers are US-only, the trial needs a card and converts to a paid plan, and some listed integrations are still coming soon.
Best for
- Giving an AI assistant a phone line
- Delegated calls and bookings
- Answering missed personal calls with summaries
- MCP-based assistant workflows
Strengths
- Gives existing AI assistants a real phone number
- Works over MCP with several assistants
- Written summary after every call
- Call content encrypted per line, no stored audio
Not a fit for
- Business call centers
- Numbers outside the US
- Teams needing a no-card trial
Watch-outs
- US phone numbers only
- Trial requires a card and converts to a paid plan
- Several listed integrations are marked as coming soon
What it handles
- On the phone for you
- Make calls for you
- Answer calls when you can't
- Book tables and appointments
- Report back
- Send written call summaries
- Use its own email address
Requirements & compatibility
- Knowledge inputs
- Your assistant's instructions, Standing instructions
Integrations & channels
AI models & voice
- Claude
Calendar & scheduling
- Google Calendar
- Calendly
- OpenTable
Messaging
- Gmail
Automation & APIs
- MCP
Other
- Grok
- ChatGPT
- Cursor
- Zoom
- Instacart
Channels
- Phone
- SMS
What to test
- Your assistant calls people and businesses on your behalf; review call-recording and disclosure rules where you and the people you call are located.
Data access, recording & usage details
- Review what calendar, email and contact access you give the assistant through CosVoice.
Pricing & access
From $29/mo
Plans differ only by call minutes: Starter $29/month for 100 minutes, Plus $79/month for 300 and Pro $199/month for 1,000, each with a US number, its own email and every integration. Extra minutes are $0.25 each; texts and email don't use minutes. A 7-day trial includes 10 minutes and needs a card, then converts to Starter unless cancelled.
How it compares
Side by side with two alternatives buyers weigh against it, on the same facts and scorecard.
| Detail | CosVoice This productGives your AI assistant (Grok, Claude, ChatGPT and others) its own US phone number and email, so it can make and answer calls and send written summaries. | A different approach Consider Martin if you want a complete personal assistant that also calls and texts, rather than a phone line for the assistant you already use. | Similar product Talk to ChatGPT naturally: advanced voice mode answers questions, brainstorms, translates, and tutors hands-free. |
|---|---|---|---|
| Starting price | From $29/mo | From $21/mo | From $20/mo |
| Free to start | Free trial | Free trial | Not published |
| Morak scorecard How we score | |||
| Ease of setup | 5 of 5, Quick self-serve | 5 of 5, Quick self-serve | 5 of 5, Quick self-serve |
| Pricing transparency | 5 of 5, Plans published | 4 of 5, Starting price | 4 of 5, Starting price |
| Try before you buy | 4 of 5, Self-serve trial | 4 of 5, Self-serve trial | 4 of 5, Self-serve trial |
| Compliance readiness | Not scored, Not published | Not scored, Not published | 2 of 5, Limited |
| Integration coverage | 4 of 5, 2 of 3 covered | 4 of 5, 2 of 3 covered | 2 of 5, 1 of 3 covered |