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Review 2026

Klaviyo

★★★★4.5/5
email marketingFrom £0/month

Reviewed by the Ikaroa team | Last updated: March 2026

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Starting Price

£0/month

Founded

2012

Headquarters

Boston, Massachusetts

Our Rating

4.5/5

Overview

Klaviyo is the email and SMS marketing platform of choice for e-commerce businesses. Deeply integrated with Shopify, WooCommerce, and other e-commerce platforms, it uses customer data to power highly personalised email and SMS campaigns that drive revenue. Known for its powerful segmentation, predictive analytics, and revenue attribution.

We have been working with Klaviyo across multiple client projects since 2014, and this review reflects our hands-on experience implementing it for businesses of all sizes.

Key Features

✓E-commerce Integrations
✓Predictive Analytics
✓Advanced Segmentation
✓Email Automation Flows
✓SMS Marketing
✓Revenue Attribution
✓A/B Testing
✓Dynamic Content
✓Product Recommendations
✓Customer Data Platform

Klaviyo Pricing

Free

£0/month

  • •250 contacts
  • •500 email sends
  • •150 SMS credits
  • •Core features

Email

£16/month

  • •500 contacts
  • •5,000 emails
  • •A/B testing
  • •Automation flows

Email & SMS

£52/month

  • •500 contacts
  • •5,000 emails
  • •1,250 SMS credits
  • •Automated SMS flows
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Pros & Cons

Pros

  • +Best-in-class e-commerce integrations
  • +Powerful predictive analytics and segmentation
  • +Excellent revenue attribution reporting
  • +Deep Shopify integration
  • +Strong template library for e-commerce

Cons

  • -Expensive as contact list grows
  • -Steep learning curve for beginners
  • -Overkill for non-e-commerce businesses
  • -Free plan is very limited
  • -SMS pricing can add up quickly
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Who Is Klaviyo Best For?

E-commerce businesses wanting data-driven email and SMS marketing

Alternatives to Klaviyo

View all Klaviyo alternatives →

Related Comparisons

Our Verdict

Klaviyo earns a strong 4.5/5 in our review. With pricing starting at £0/month, it offers best-in-class e-commerce integrations. While expensive as contact list grows, it remains a solid choice for e-commerce businesses wanting data-driven email and sms marketing...

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Klaviyo FAQ

Is Klaviyo worth it in 2026?▼

Klaviyo rates 4.5/5 in our review. It is best suited for E-commerce businesses wanting data-driven email and SMS marketing. Whether it is worth it depends on your specific needs and budget.

How much does Klaviyo cost?▼

Klaviyo pricing starts at £0/month for the Free plan. Check the pricing section for a full breakdown.

What are the best alternatives to Klaviyo?▼

Top alternatives to Klaviyo include ActiveCampaign, Brevo, Mailchimp. Visit our alternatives page for a detailed comparison.

Does Klaviyo offer a free plan?▼

Yes, Klaviyo offers a free plan that includes 250 contacts, 500 email sends, 150 SMS credits.

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