klaviyo

Unlock Omnichannel Growth with AI-Powered Marketing Automation

Klaviyo unifies channels, data, and customer engagement for ecommerce brands–driving growth with every interaction.

AppRelauncher Score:69/100
4.5(1,000+ reviews)
10,000+ users
Ecommerce, Retail, Restaurants

TL;DR

Quick Summary

Klaviyo is an AI-first B2C CRM designed for ecommerce, retail, and consumer brands seeking unified omnichannel marketing. Its standout feature is automated, AI-powered campaigns spanning email, SMS, WhatsApp, and more for accelerated growth across every touchpoint.

Last updated May 26, 2026
How we review

What is klaviyo?

What It Does

Klaviyo is an AI-first B2C CRM and marketing automation platform that enables brands to unify customer data and orchestrate personalized campaigns across email, SMS, WhatsApp, and more.

Who It's For

B2C brands, ecommerce businesses, retail stores, restaurants, and wellness-focused companies.

Problem It Solves

Fragmented customer data and disconnected marketing channels make it hard for growing brands to deliver consistent, personalized customer experiences across all touchpoints.

Value Proposition

Klaviyo’s unified AI-powered platform brings all your data, channels, and automation into one place—allowing ecommerce businesses to create seamless, personalized, omnichannel customer journeys that drive higher engagement and revenue.

Cross-Platform Review Analysis

Real ratings from 2,639 verified reviews across 4 independent platforms, synthesised into one transparent score.

AppRelauncher Score

Our proprietary composite rating

69/ 100

Average

Score Breakdown

Cross-Platform Average85/100
Review Volume86/100
Platform Consistency1/100
Pricing Transparency55/100
Feature Completeness92/100
AR

Our Analysis

Klaviyo is a powerhouse for e-commerce email and SMS marketing, with best-in-class Shopify integration and predictive analytics that justify its premium positioning. However, the platform tells two very different stories depending on where you look.

On G2 and Capterra, daily users rate it 4.6/5 — praising its deep segmentation, automated flows, and real-time data sync. On Trustpilot, the score plummets to 1.9/5, driven almost entirely by frustration over the "active profiles" billing model introduced in February 2025, which charges for all stored contacts rather than just those you email.

Our verdict: Klaviyo is genuinely excellent software for mid-to-large e-commerce brands generating $10K+/month in email revenue, where the ROI clearly justifies the cost. But smaller stores or those with large inactive lists should carefully model their costs before committing — the billing structure can create unpleasant surprises.

What Users Love

  • Best-in-class Shopify integration with real-time two-way data sync
  • Predictive analytics (churn probability, lifetime value) for advanced segmentation
  • Powerful multi-channel automation (email, SMS, WhatsApp) with deep conditional logic
  • Rich A/B testing and attribution reporting

Areas for Improvement

  • Active-profiles billing charges for dormant contacts — can create unexpected cost spikes
  • Trustpilot score (1.9/5) reflects widespread billing frustration, especially among smaller users
  • Customer support is difficult to reach on lower-tier plans
  • Revenue attribution can diverge from Google Analytics and Shopify data

"It’s easy to automate marketing across email and SMS from a single dashboard."

V

Verified User

Marketing Agency

"Switching between channels like WhatsApp and email feels seamless and saves our team hours each week."

V

Verified User

Tech Company

Ratings are sourced from independent review platforms and verified as of the date shown. The AppRelauncher Score is calculated using our transparent methodology — a weighted composite of cross-platform ratings, review volume, rating consistency, pricing transparency, and feature completeness.

Who Uses klaviyo?

Discover if klaviyo is the right fit for your team, company, and industry.

Customer Profiles

  • B2C brands
  • Ecommerce retailers
  • Restaurants
  • Wellness businesses

Company Sizes

  • Small businesses
  • Midsize businesses
  • Growing brands

Industries

  • Ecommerce
  • Retail
  • Restaurants
  • Wellness

Common Use Cases

Email Marketing Automation

Set up and personalize automated email flows for customer nurturing.

Omnichannel Campaigns

Coordinate and measure campaigns across email, SMS, WhatsApp, and mobile push.

Customer Data Unification

Aggregate and leverage real-time customer data to build targeted segmetation and personalize messaging.

Key Features

What You Get with klaviyo

A comprehensive look at the features that make klaviyo stand out.

Email Marketing

Create, automate, and personalize targeted email campaigns.

Boost engagement and retention with relevant content.

SMS Marketing

Automate and personalize SMS campaigns to engage mobile users.

Reach customers instantly on their preferred devices.

WhatsApp Marketing

Send marketing messages and campaigns via WhatsApp.

Expand reach to customers on popular chat platforms.

Omnichannel Campaign Management

Run campaigns across multiple channels: email, SMS, WhatsApp, push, and social.

Deliver consistent brand experiences everywhere your customers are.

Customer Data Platform

Unify customer data and build comprehensive profiles.

Enable hyper-targeted segmentation and personalization.

AI Agents (Marketing Agent, Customer Agent)

AI-powered agents assist in strategizing campaigns and automating customer support.

Save time and improve results with intelligent automation.

Customer Segmentation

Advanced segmentation by behavior, purchase, and engagement.

Target campaigns for higher conversion rates.

Automated Flows

Automate workflows triggered by customer actions.

Deliver timely, relevant messages based on real customer behavior.

Analytics and Reporting

Track marketing performance with dashboards and custom reports.

Measure ROI and make data-driven decisions.

Templates

Access customizable templates for email and SMS.

Design branded campaigns quickly and easily.

Web Forms

Create mobile-friendly signup forms.

Grow your customer database effortlessly.

Product Reviews

Collect and display product reviews.

Build trust and encourage repeat purchases.

Benchmarks

Performance benchmarking against industry standards.

See how your campaigns stack up and set improvement goals.

Ready to experience these features?

Start Your Free Trial

Integrations & Ecosystem

Connect klaviyo with your favorite tools and workflows.

Popular Integrations

Shopify
Payment providers
CRMs
Analytics tools
Messaging platforms
Klaviyo ChatGPT app
Klaviyo Claude Connector
Klaviyo MCP
Advertising apps
Shipping
Point of Sale
Loyalty programs
Subscription management

API Access

Robust developer APIs for custom integrations and advanced workflows.

Ecosystem

Klaviyo works with 350+ native integrations and connectors, supporting the most popular ecommerce, analytics, and communications platforms.

Why It Matters

Integrations ensure seamless data flow between Klaviyo and all your ecommerce tools, enabling comprehensive customer profiles and fully-automated marketing across channels.

Customer Support

Support is available via email, with access to a community forum and a comprehensive knowledge base for self-service resources.

Live Chat
Email Support
Phone Support
Knowledge Base
Community Forum
Enterprise SLA

klaviyo Alternatives

Explore other options and see how klaviyo compares.

Related Categories

Marketing Automation SoftwareCRM SoftwareCustomer Data Platform
FAQs

Frequently Asked Questions

Common questions about klaviyo answered.

Yes, Klaviyo offers a free plan for up to 250 active profiles with limited sends.

Final Verdict

Is klaviyo Right for You?

Best For

Ecommerce, retail, and B2C brands looking for unified, intelligent automation across all marketing channels.

Not Ideal For

Businesses outside B2C or those with only a single, simple marketing channel may not need Klaviyo's robust omnichannel features.

Klaviyo stands out as a powerful, AI-powered marketing automation platform for ecommerce brands prioritizing growth, customer insights, and integrated campaign management. Its user-friendly setup and extensive integrations make it a top choice for brands seeking to unify marketing and customer data in one place.

Start your free plan with Klaviyo today

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