SoftwareDuel

Klaviyo vs 15Five

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 →

15Five

15Five is a continuous performance management platform focused on weekly check-ins, OKRs, and employee engagement. It helps managers stay connected with their teams through structured feedback and recognition tools. 15Five is popular with remote and distributed teams that need async communication tools.

PaidFrom $4/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

  • Simple and intuitive weekly check-in format that drives adoption
  • Strong OKR and goal-setting tools
  • Excellent manager training and coaching resources
  • Good engagement survey tools with benchmarking

Cons

  • Limited HR functionality beyond performance and engagement
  • No payroll or benefits administration
  • Reporting could be more advanced for data-driven HR teams

Klaviyo vs 15Five: Side by Side

FactorKlaviyo15Five
User Rating4.5/5 ★N/A
CategoryCRM SoftwareHR Software
Pricing ModelPaidPaid
Starting Price$20/mo$4/user/mo
Best ForB2C brands wanting an AI-powered CRM that combines marketing automation, analytics, and customer service in one platform.Companies focused on employee engagement and performance
Our Pick🏆 Recommended

Klaviyo Features

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

15Five Features

  • Weekly check-ins
  • OKRs
  • performance reviews
  • engagement surveys
  • manager training

Pricing Comparison

Klaviyo

Paid

Starts at $20/mo

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

See full pricing →

15Five

Paid

Starts at $4/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 15Five if companies focused on employee engagement and performance.

Best For

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

Best For

Companies focused on employee engagement and performance

Also Consider

If neither Klaviyo nor 15Five 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 15Five?

Klaviyo is best for b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform. 15Five is best for companies focused on employee engagement and performance.

Which is better, Klaviyo or 15Five?

Choose Klaviyo if b2c brands wanting an ai-powered crm that combines marketing automation, analytics, and customer service in one platform. Choose 15Five if companies focused on employee engagement and performance.

How much does Klaviyo cost?

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

How much does 15Five cost?

15Five starts at $4/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 15Five?

Companies focused on employee engagement and performance