SoftwareDuel

Klaviyo vs Zendesk Sell

A head-to-head comparison to help you pick the right tool

Last updated: September 14, 2026

🏆 Our Pick: Klaviyo

Klaviyo is our recommended pick for most teams — b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform.

Try KlaviyoRead our full Klaviyo review →

Klaviyo

★★★★★4.5/5

Klaviyo is the AI-first CRM built for B2C brands. Powered by its built-in data platform and AI insights, Klaviyo combines marketing automation, analytics, and customer service into one unified solution.

PaidFrom $20/mo
Get Pricing →

Zendesk Sell

Zendesk Sell is a sales CRM designed to help sales teams improve productivity and pipeline visibility. It is part of the Zendesk customer experience suite, making it a natural fit for companies already using Zendesk Support. Zendesk Sell offers strong automation, reporting, and communication tools for growing sales teams.

PaidFrom $19/user/mo
Get Pricing →

Pros

  • AI-powered customer insights
  • Strong marketing automation
  • Built-in data platform
  • Unified marketing and customer service
  • Purpose-built for B2C brands

Cons

  • Less suitable for B2B sales teams
  • Can be expensive at scale
  • Learning curve for full platform
  • Overkill for very small businesses

Pros

  • Seamless integration with Zendesk Support for unified customer view
  • Strong reporting and analytics
  • Good mobile app for field sales teams
  • Clean and modern interface

Cons

  • Expensive compared to standalone CRM tools
  • Best value only if you already use Zendesk Support
  • Limited marketing automation features

Klaviyo vs Zendesk Sell: Side by Side

FactorKlaviyoZendesk Sell
User Rating4.5/5 ★N/A
CategoryCRM SoftwareCRM Software
Pricing ModelPaidPaid
Starting Price$20/mo$19/user/mo
Best ForB2C brands wanting an AI-powered CRM that combines marketing automation, analytics, and customer service in one platform.Sales teams already using Zendesk Support who want a connected CRM
Our Pick🏆 Recommended

Klaviyo Features

  • Email marketing
  • SMS marketing
  • audience segmentation
  • automation flows
  • A/B testing
  • revenue attribution

Zendesk Sell Features

  • Contact and lead management
  • visual pipeline
  • email integration
  • call tracking
  • reporting and analytics
  • automation
  • Zendesk integration
  • mobile app

Pricing Comparison

Klaviyo

Paid

Starts at $20/mo

Free: $0 (250 contacts) · Email: from $20/mo · Email & SMS: from $35/mo

See full pricing →

Zendesk Sell

Paid

Starts at $19/user/mo

See full pricing →

Best Use Cases

Klaviyo

  • Ecommerce businesses running email and SMS campaigns
  • Shopify stores wanting advanced customer segmentation
  • DTC brands automating abandoned cart and post-purchase flows

Who Should NOT Use These Tools

Klaviyo is NOT ideal for:

  • Non-ecommerce businesses without a product catalog
  • B2B companies with long sales cycles
  • Small businesses that only need basic email newsletters

Integrations

Klaviyo

Shopify, WooCommerce, Magento, BigCommerce, Salesforce, Stripe, Recharge, Gorgias

Our Take

Choose Klaviyo if b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform. Choose Zendesk Sell if sales teams already using zendesk support who want a connected crm.

Best For

B2C brands wanting an AI-powered CRM that combines marketing automation, analytics, and customer service in one platform.

Best For

Sales teams already using Zendesk Support who want a connected CRM

How Klaviyo and Zendesk Sell Are Similar

  • Both are CRM Software platforms designed for business teams
  • Both offer web-based access with no software installation required
  • Both provide customer support and onboarding resources
  • Both integrate with popular third-party business tools
  • Both offer a trial or demo to evaluate before purchasing

Also Consider

If neither Klaviyo nor Zendesk Sell is the right fit, Monday.com CRM is worth evaluating.

Monday.com CRM

Teams that want CRM and project management combined in one visual platform

From $12/user/mo

Frequently Asked Questions

What is the difference between Klaviyo and Zendesk Sell?

Klaviyo is best for b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform. Zendesk Sell is best for sales teams already using zendesk support who want a connected crm.

Which is better, Klaviyo or Zendesk Sell?

Choose Klaviyo if b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform. Choose Zendesk Sell if sales teams already using zendesk support who want a connected crm.

How much does Klaviyo cost?

Klaviyo starts at $20/mo. Pricing model: Paid.

How much does Zendesk Sell cost?

Zendesk Sell starts at $19/user/mo. Pricing model: Paid.

Who should use Klaviyo?

B2C brands wanting an AI-powered CRM that combines marketing automation, analytics, and customer service in one platform.

Who should use Zendesk Sell?

Sales teams already using Zendesk Support who want a connected CRM