klaviyo

Grow Your B2C Business with AI-First CRM and Omnichannel Marketing

Klaviyo unifies marketing, data, and customer service into one platform with powerful AI-driven automation and analytics.

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

TL;DR

Quick Summary

Klaviyo provides B2C brands with an AI-first CRM that unifies data, channels, and customer interactions for seamless marketing automation. Ideal for ecommerce, retail, and other customer-centric businesses, its standout feature is omnichannel campaign orchestration powered by advanced segmentation and built-in AI insights.

Last updated May 26, 2026
How we review

What is klaviyo?

What It Does

Klaviyo enables B2C brands to manage personalized marketing, integrate customer data, automate campaigns, and provide customer support through email, SMS, WhatsApp, and more, all powered by AI insights.

Who It's For

B2C brands in retail, ecommerce, restaurants, and wellness sectors seeking unified, data-driven marketing and customer engagement solutions.

Problem It Solves

Fragmented marketing and customer data across multiple platforms make it hard to deliver personalized, effective campaigns at scale.

Value Proposition

An all-in-one, AI-first CRM that unifies customer profiles and channels to empower B2C brands with automated, omnichannel engagement and actionable insights.

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 campaigns across email and SMS in a single platform makes our workflows much more efficient."

V

Verified User

Marketing Agency

"Combining real-time customer profiles with marketing automation helps us deliver more personalized messages."

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

  • Retail marketing teams
  • Ecommerce brand managers
  • Restaurant marketers
  • Wellness business owners

Company Sizes

  • Small businesses
  • Midsize brands
  • Scaling B2C companies

Industries

  • Retail
  • Ecommerce
  • Restaurant
  • Wellness

Common Use Cases

Personalized Email Marketing

Automate and send targeted email campaigns to segmented audiences.

SMS and WhatsApp Campaigns

Engage customers with timely text and WhatsApp promotions.

Unified Customer Analytics

Analyze customer behaviors and preferences across channels for better decision-making.

Omnichannel Campaign Orchestration

Coordinate messaging and campaigns seamlessly via email, SMS, WhatsApp, and mobile push.

Customer Service and Support

Manage support requests and assist shoppers with AI-powered agents.

Key Features

What You Get with klaviyo

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

Email Marketing

Create and automate targeted, personalized email campaigns.

Reach customers with relevant content to boost engagement and sales.

SMS Marketing

Send and automate SMS/MMS campaigns.

Connect instantly with customers on their phones.

WhatsApp Marketing

Send marketing messages via WhatsApp.

Leverage a popular global messaging platform for customer outreach.

RCS for Business

RCS messaging channel for marketing.

Engage mobile users with rich, interactive messaging experiences.

Mobile App Marketing

Engage customers through mobile push notifications.

Drive timely offers and updates directly to users' devices.

Segmentation

Advanced customer segmentation at scale.

Deliver highly relevant communications to niche audience segments.

AI Insights & Predictive Analytics

Predict customer behavior and optimize campaigns using AI.

Improve ROI by anticipating customer needs.

Unified Customer Profiles

Centralized, real-time customer profiles with cross-channel data.

Understand and track customer journeys across every touchpoint.

Marketing Automation (Flows)

Automate multi-channel marketing flows triggered by real-time events.

Save time and provide timely communications based on customer actions.

Campaign Reporting & Benchmarks

Custom dashboards, reporting, and performance benchmarks.

Measure, optimize, and compare campaign performance at a glance.

Composer (Beta)

Advanced email/SMS template builder.

Quickly create professional communications with customizable templates.

Apps & Integrations

350+ native integrations plus robust APIs for tech stack connectivity.

Easily connect Klaviyo to your ecommerce, analytics, and CRM tools.

Customer Agent

AI-powered support and sales agent for shoppers.

Provide instant assistance and personalized recommendations to customers.

Marketing Agent

AI agent assisting marketers with strategy and execution.

Accelerate campaign planning and execution with AI support.

Customer Hub/Helpdesk

Centralized support hub for customer service teams.

Streamline and organize support interactions for a better customer experience.

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

API Access

Robust APIs to connect Klaviyo with your tech stack; check official documentation for details.

Ecosystem

Over 350 native integrations available through the Klaviyo App Marketplace.

Why It Matters

Integrations allow brands to unify customer data, sync channels, and automate marketing experiences across platforms.

Customer Support

Support is provided via email, with self-serve knowledge base and a community forum for additional 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

FAQs

Frequently Asked Questions

Common questions about klaviyo answered.

The Klaviyo Affiliate Program allows partners and agencies to earn commissions by referring new customers to Klaviyo's B2C CRM platform.

Final Verdict

Is klaviyo Right for You?

Best For

B2C brands, especially in retail, ecommerce, restaurants, and wellness, that need unified data, automation, and multi-channel marketing tools.

Not Ideal For

Companies that require offline channel management, industry-specific compliance features, or advanced phone-based customer support may find limitations.

Klaviyo is a robust, AI-first CRM platform with deep omnichannel marketing capabilities and advanced customer segmentation, well-suited for B2C brands looking to automate and personalize communications efficiently. The free plan and broad integration support make it accessible for growing businesses. Consider signing up for the affiliate program if you're a partner seeking to introduce industry-leading marketing technology to your clientele.

Start your Klaviyo Affiliate Program application

Disclosure: This page may contain affiliate links. We may earn a commission at no extra cost to you.