The call, answered
Klaviyo's AI agent covers chat, email, and WhatsApp. When the customer calls, Mercury's AI front desk answers, qualifies, and books, 24/7.
Mercury vs Klaviyo
Email and SMS marketing is not a phone call answered. Mercury's AI picks up.
Why Mercury
Why choose Mercury over Klaviyo?
A dialer, not just broadcasts
Klaviyo has no dialer. Mercury includes outbound dialing with local numbers, recording, and transcripts.
Built for service businesses
Klaviyo is built for B2C and ecommerce marketing. Mercury runs jobs, calendars, calls, and follow-up for businesses that work by phone.
Dispatch for the field
Mercury Agencies adds technician status updates and AI customer notifications for service businesses.
Side by side
Feature comparison
How Mercury Call Desk stacks up against Klaviyo.
| Features |  Klaviyo |  |
|---|---|---|
| AI voice agents | Not included | Included |
| Outbound dialer | Not included | Included: Native, 10 lines per account |
| Dispatch | Not included | Included: Agencies and up |
| Usage rebilling for agencies | Not included | Included: Professional and up |
| Unlimited sub-accounts | Partly, or as an add-on: Linked accounts, no white-label | Included: Professional and up |
| Published usage rates | Partly, or as an add-on: Shown in app, no public table | Included |
| MCP access | Included | Included |
| Setup fees | Included: None | Included: None |
| Migration help | Partly, or as an add-on: Enterprise or partners | Included: Agencies and up |
IncludedPartly, or as an add-onNot included
Klaviyo details from public sources, checked October 2026: Klaviyo pricing, Klaviyo MCP server, What's new, Portfolio. Pricing and features change; check with Klaviyo for current terms.
Klaviyo owns the campaign. Mercury owns what happens next: the answered call, the booked job, and the dispatched technician, all tied to the same contact record.
Pricing
Simple math
One flat monthly rate against per-seat, per-agent, and per-product pricing.
Klaviyo
Free to 250 profiles; paid from $20/mo
Before the add-ons it takes to match Mercury: AI voice agents, a real dialer, and dispatch.
Mercury Call Desk
- $99/mo Starter, 5 sub-accounts
- $299/mo Professional, unlimited sub-accounts and usage rebilling
- $399/mo Agencies, limited time, dispatch and SaaS resale
Unlimited users and contacts on every plan. No setup fees. Published usage rates. Enterprise custom.
Get Started
Ready to leave Klaviyo behind?
Call (949) 775-0451 right now and try to stump the assistant, or schedule a custom demo at a time that works for you.