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Klaviyo

AI email and SMS for ecommerce

4.4 Marketing
4.4 Very good 4.4

Bottom line: Klaviyo is a strong marketing tool, best known for email and SMS automation flows. It has a free plan.

Deep data and segmentation for ecommerce Billing on active profiles means costs climb with your list
Reviewed by Challenging Voice Editorial · Updated Jun 2026 How we rate
PricingFrom $20/mo
Free planYes
PlatformsAPI, Web
Best forMarketing
UpdatedJun 2026
Ask AI about Klaviyo ChatGPT Claude Perplexity

Overview

Klaviyo runs email and SMS marketing built on customer data, with automations, segmentation, and predictive analytics. Its AI features include audience suggestions, send-time optimization, and a customer support agent. Ecommerce brands use it to drive repeat purchases and retention.

Key features

Pricing

Pros & cons

Pros

  • Deep data and segmentation for ecommerce
  • Free plan lets small stores start without cost

Cons

  • Billing on active profiles means costs climb with your list
  • AI agent and SMS are billed separately on top

How it compares

ToolRatingFreeFromBest known for
Klaviyo (this tool)4.4Yes$20/moEmail and SMS automation flows
Mutiny4.5NoAI agent generates personalized landing pages from a prompt
Seventh Sense4.4No$64/moPer-contact send-time optimization
Persado4.4NoEmotion-aware copy generation scored by predicted performance

Our verdict

4.4 / 5 4.4

Klaviyo is a strong marketing tool, best known for email and SMS automation flows. It offers a free plan, with paid upgrades from $20/mo.

What makes it different: Klaviyo stands out for email and SMS automation flows.

How we score it
Overall 4.4
Value for money 4.7
Feature depth 4.7
Popularity 3.7
Best for MarketersGrowth teamsAgenciesFounders

Frequently asked questions

What is Klaviyo?
Klaviyo is a marketing tool listed in the Challenging Voice directory. AI email and SMS for ecommerce.
Is Klaviyo free?
Yes, Klaviyo offers a free plan. Paid plans unlock more features and higher usage limits, starting at $20/month.
How much does Klaviyo cost?
Klaviyo starts at $20 per month. See the pricing plans above for full details.
What are the best Klaviyo alternatives?
Popular alternatives to Klaviyo include AdRoll, Brevo, and Albert.ai. Browse them all in the Marketing category.
Is Klaviyo any good?
Klaviyo scores 4.4 out of 5 based on our editorial review.

Reviews

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