klaviyo

Unify Your Ecommerce Marketing & Automation with Klaviyo

Klaviyo centralizes your data, marketing channels, and customer touchpoints—so you can create, automate, and optimize omnichannel campaigns at scale.

AppRelauncher Score:69/100
4.5(1,000+ reviews)
10,000+ users
B2C brands, Ecommerce, Retail

TL;DR

Quick Summary

Klaviyo is an AI-first CRM platform tailored for B2C brands, ecommerce, and retail companies looking to unify their marketing automation, analytics, and customer service. With advanced Shopify and ecommerce integrations, Klaviyo powers omnichannel marketing across email, SMS, WhatsApp, and more—enabling brands to drive growth and deepen customer relationships.

Last updated May 26, 2026
How we review

What is klaviyo?

What It Does

Klaviyo is an AI-first B2C CRM platform unifying marketing, service, analytics, and data, enabling brands to run personalized marketing campaigns across email, SMS, WhatsApp, and more.

Who It's For

B2C brands, ecommerce stores, retail, restaurants, and wellness businesses

Problem It Solves

Fragmented customer data and disconnected marketing campaigns across multiple channels lead to inefficiency and lack of personalization.

Value Proposition

Klaviyo delivers unified omnichannel marketing and a built-in data platform, empowering brands to automate, personalize, and optimize every customer interaction—all from one place.

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

"Automating marketing across email, SMS, and WhatsApp has helped us streamline campaigns and improve engagement."

V

Verified User

Marketing Agency

"Klaviyo’s data unification and Shopify integration make it easy to segment and personalize offers."

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 businesses
  • retailers
  • restaurants
  • wellness businesses

Company Sizes

  • Small business
  • Medium business
  • Enterprise

Industries

  • Ecommerce
  • Retail
  • Restaurants
  • Wellness

Common Use Cases

Email Marketing Automation

Automate and personalize targeted email campaigns for ecommerce growth.

Omnichannel Campaigns

Coordinate marketing across email, SMS, WhatsApp, and more from one platform.

Customer Data Unification

Centralize and analyze customer data to power segmentation and personalization.

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.

Reach customers with relevant messaging to drive conversions and engagement.

SMS Marketing

Automate and personalize SMS campaigns to engage mobile users.

Enhance immediate engagement with timely SMS offers and alerts.

WhatsApp Marketing

Send marketing messages and campaigns via WhatsApp.

Expand reach to audiences on their preferred messaging platform.

Omnichannel Campaign Management

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

Maximize customer engagement with seamless, connected messaging.

Customer Data Platform

Unify customer data and build comprehensive customer profiles.

Fuel better targeting, analytics, and personalization across every channel.

AI Agents (Marketing Agent, Customer Agent)

AI-powered agents strategize campaigns and provide customer support.

Save time and improve performance with advanced AI automations.

Customer Segmentation

Advanced segmentation based on behavior, purchase, and engagement data.

Deliver hyper-relevant content and offers to specific customer segments.

Automated Flows

Set up automated marketing workflows triggered by customer behaviors.

Increase retention and conversions with behavior-based automation.

Analytics and Reporting

Track performance with dashboards and custom reports.

Make data-driven decisions with real-time analytics.

Templates

Customizable templates for email and SMS campaigns.

Accelerate campaign creation with professionally designed templates.

Web Forms

Mobile-friendly signup forms to collect customer data.

Grow lists and capture leads across devices.

Product Reviews

Collect and display product reviews to fuel retention and trust.

Build credibility and encourage repeat purchases.

Benchmarks

Performance benchmark tools to compare against industry standards.

Gauge your performance and uncover opportunities for growth.

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 allow for custom integrations and automation across your stack.

Ecosystem

Klaviyo offers over 350 native integrations and connectors, covering ecommerce, analytics, messaging, and more.

Why It Matters

Seamless integrations with Shopify and ecommerce platforms ensure customer data is always up to date, enabling more personalized and automated marketing.

Customer Support

Support is available via email, a comprehensive knowledge base, and an active community forum.

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

klaviyo Alternatives

Explore other options and see how klaviyo compares.

Related Categories

FAQs

Frequently Asked Questions

Common questions about klaviyo answered.

Yes, Klaviyo offers a direct integration with Shopify for syncing customer, order, and product data.

Final Verdict

Is klaviyo Right for You?

Best For

B2C brands, ecommerce stores, retailers, restaurants, and wellness businesses looking for unified data-driven marketing automation.

Not Ideal For

Businesses seeking a B2B-focused or purely sales CRM, or those needing advanced live chat or phone support.

Klaviyo is a top choice for B2C brands and ecommerce businesses seeking unified marketing and powerful automation across email, SMS, WhatsApp, and more. Its deep Shopify integration and real-time data platform make it especially valuable for online stores wanting to centralize campaigns and personalize customer journeys. The free plan and robust ecosystem make Klaviyo accessible for growing brands ready to scale their marketing.

Start for free with Klaviyo

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