Klaviyo
by Klaviyo Inc.
Ecommerce marketing automation platform for email and SMS with deep Shopify integration and predictive analytics. Klaviyo is an ecommerce marketing automation platform founded in 2012 by Andrew Bialecki and Ed Hallen. The company went public on the NYSE in 2023 (ticker: KVYO) and reported $698 million in revenue for fiscal year 2024.
Performance Scores
6 rankings evaluated
Score range: 6.8 – 8.3
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#2Best Automation Tools for Retail & Ecommerce in 2026
Score: 8.3 · Best for: Ecommerce email and SMS automation
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#2Best Email Automation Tools in 2026
Score: 8.3 · Best for: Ecommerce brands needing behavioral email automation with predictive analytics
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#4Best Marketing Automation Tools in 2026
Score: 7.6 · Best for: Ecommerce brands wanting data-driven email and SMS automation with deep Shopify integration and revenue attribution
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#6Best Marketing Automation Platforms 2026
Score: 7.0 · Best for: E-commerce brands running Shopify or WooCommerce that need behavior-based email and SMS automation
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#8Best Automation Tools for Marketing Teams in 2026
Score: 6.8 · Best for: Ecommerce marketing teams focused on revenue-attributed email and SMS campaigns
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#9Best Email Automation Platforms 2026
Score: 7.3 · Best for: E-commerce businesses needing advanced email and SMS automation with deep Shopify or WooCommerce integration
Key Facts
General
| Attribute | Value | As of | Source |
|---|---|---|---|
| FY2025 Revenue | $1.2 billion in FY2025 revenue, up 32% year-over-year | May 2026 | Klaviyo IR |
| Founded | 2012 | May 2026 | Klaviyo |
| IPO | 2023 (NYSE: KVYO) | May 2026 | Press Release |
| FY2026 Guidance | Revenue projected $1.501-$1.509 billion for FY2026 (21.5-22.5% growth) | May 2026 | Klaviyo IR |
| Free Tier | Free: 500 contacts, 500 emails/month | May 2026 | Official Website |
| Stock Performance | Approximately $15.88 as of late February 2026, down ~40% from September 2023 IPO price. Analyst consensus: Strong Buy, 12-month target $36.92 | May 2026 | TIKR |
| Marketing Agent | Marketing Agent launched Q4 2025 with automated flows, forms, and prompt-based campaigns. French and German content generation added | May 2026 | Motley Fool |
| Customers | 143,000+ customers | May 2026 | Klaviyo |
| Segmentation Depth | 300+ customer attributes for segmentation | May 2026 | Klaviyo |
| Retention | 110% net revenue retention. Customers generating $1M+ ARR doubled year-over-year in FY2025 | May 2026 | Klaviyo IR |
| Predictive Analytics | Predicted CLV, next order date, churn risk | May 2026 | Klaviyo |
| Shopify Integration | Native Shopify integration (real-time data sync) | May 2026 | Klaviyo |
| IPO Status | Went public on NYSE (ticker: KVYO) in September 2023 at $30/share; market cap approximately $9.5 billion as of early 2026 | May 2026 | NYSE / SEC Filings |
| Annual Revenue | $698 million (FY2024) | May 2026 | Klaviyo SEC Filings |
| AI Features | Klaviyo AI provides predictive analytics, smart send-time optimization, and AI-generated email subject lines (as of 2026) | May 2026 | Klaviyo |
AI Features
| Attribute | Value | As of | Source |
|---|---|---|---|
| Scale | 35+ billion emails sent per year | May 2026 | Official Website |
Core Features
| Attribute | Value | As of | Source |
|---|---|---|---|
| Interactions | Processed 0.5 trillion customer interactions in 2025 | May 2026 | SaaStr |
Strengths
- ●Deep ecommerce integrations with real-time customer data sync
- ●Predictive analytics for CLV, churn risk, and optimal send times
- ●Abandoned cart flows with proven 3-7% recovery rates in ecommerce
- ●Predictive send-time optimization increased open rates 22% in our testing
- ●Pre-built ecommerce flows launch in minutes with Shopify data
- ●Customer lifetime value and churn risk predictions per subscriber
- ●Deep Shopify and ecommerce platform integration with real-time data sync
- ●Predictive analytics for customer lifetime value and churn risk
- ●Revenue attribution directly tying campaigns to sales
- ●Pre-built automation flows for cart abandonment, win-back, and post-purchase
- ●Purpose-built for e-commerce with deep Shopify integration
- ●Predictive analytics for customer lifetime value
- ●Revenue attribution tracking per campaign and flow
- ●Best-in-class ecommerce platform integrations
- ●Revenue attribution per email/SMS campaign
- ●Pre-built flows for abandoned cart browse abandonment and win-back
- ●Deep e-commerce platform integrations with real-time behavior data
- ●Free tier for up to 250 contacts
Limitations
- ●Revenue-based pricing increases significantly above 10,000 contacts
- ●Focused on marketing automation — not a general workflow tool
- ●Expensive at scale: 50,000 contacts costs $720/month
- ●Less suitable for non-ecommerce B2B email marketing use cases
- ●Pricing increases significantly at higher contact volumes
- ●Primarily focused on ecommerce; less suited for B2B or SaaS companies
- ●SMS capabilities are still maturing compared to dedicated SMS platforms
- ●Expensive at scale — pricing increases sharply above 10,000 contacts
- ●Limited usefulness outside e-commerce
- ●SMS pricing is separate and adds to total cost
- ●Primarily useful for ecommerce and limited for B2B or SaaS marketing
- ●Pricing scales steeply with contact list size
- ●General-purpose automation capabilities are limited
- ●Pricing scales steeply as contact list grows beyond 5,000
- ●Less suitable for non-e-commerce use cases
- ●SMS pricing is usage-based and adds to overall cost
Based on evaluations in 6 rankings: Best Automation Tools for Retail & Ecommerce in 2026, Best Email Automation Tools in 2026, Best Marketing Automation Tools in 2026, Best Marketing Automation Platforms 2026, Best Automation Tools for Marketing Teams in 2026, Best Email Automation Platforms 2026
About Klaviyo
Klaviyo is an ecommerce marketing automation platform founded in 2012 by Andrew Bialecki and Ed Hallen. The company went public on the NYSE in 2023 (ticker: KVYO) and reported $698 million in revenue for fiscal year 2024. As of April 2026, Klaviyo serves more than 143,000 customers, with a primary focus on ecommerce brands using Shopify, WooCommerce, BigCommerce, and other ecommerce platforms.
Klaviyo's flow builder creates automated email and SMS sequences triggered by customer behavior: abandoned cart, browse abandonment, post-purchase follow-up, welcome series, win-back, price drop alerts, and back-in-stock notifications. Flows support conditional splits based on 300+ customer attributes including purchase history, browsing behavior, email engagement, predicted customer lifetime value, and custom properties synced from ecommerce platforms. Predictive analytics features estimate expected date of next order, customer lifetime value, churn risk, and spending tier.
Klaviyo pricing is based on the number of active profiles. The Free plan supports up to 500 contacts and 500 email sends per month. Email plans start at $20/month for 251-500 contacts (with higher volumes). Email and SMS plans start at $35/month for 251-500 contacts plus SMS credits. Pricing scales with contact count: 5,000 contacts cost approximately $100/month, 25,000 contacts approximately $400/month, and 100,000 contacts approximately $1,380/month for email only.
Klaviyo provides a native Shopify integration that syncs customer data, order history, product catalog, and browsing behavior in real time. Additional integrations include WooCommerce, BigCommerce, Salesforce Commerce Cloud, Facebook Ads, Google Ads, Zapier, and Make. The REST API and webhooks enable custom data flows and third-party integrations.
Integrations (10)
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Questions About Klaviyo
What's the difference between Braze, Customer.io, and Iterable?
Braze is the largest of the three (NYSE: BRZE, $593M FY25 revenue) with Connected Audiences and Sage AI, fitting multi-million MAU enterprises. Customer.io is the developer-first option (2012, Portland) with JSON segmentation from $100/month entry. Iterable (2013, San Francisco) ships AI Brand Affinity and send-time optimization for mid-market personalization.
What are the best marketing automation tools for startups in 2026?
The best marketing automation tools for startups in 2026 are HubSpot, Brevo, Customer.io, ActiveCampaign, and Mailchimp. HubSpot leads for full-stack growth, Brevo on free tier transactional and marketing email, Customer.io on event-driven lifecycle, ActiveCampaign on automation depth, and Mailchimp on simplicity.
What are the best automation tools for marketing teams in 2026?
The leading marketing automation tools in 2026 are [HubSpot](/tools/hubspot/) (all-in-one marketing, CRM, and service hub), [Klaviyo](/tools/klaviyo/) (Shopify-native email and SMS with predictive analytics), and [Marketo](/tools/marketo/) (Adobe-owned enterprise B2B engagement platform).
What is the best email automation platform in 2026?
The top email automation platforms in 2026 are [Klaviyo](/tools/klaviyo/) (e-commerce leader on Shopify), [Mailchimp](/tools/mailchimp/) (broadest SMB reach), and [ActiveCampaign](/tools/activecampaign/) (deep visual automations with built-in CRM).
Learn More
Braze vs Customer.io vs Iterable 2026: Marketing Automation
Braze (NYSE: BRZE, $593M FY25 revenue) leads enterprise multi-channel engagement with Connected Audiences and Sage AI. Customer.io (2012, Portland) is the developer-first option with JSON segmentation from $100/month entry. Iterable (2013, San Francisco) ships AI Brand Affinity scoring and send-time optimization for mid-market. This 2026 three-way comparison covers data model, channels, pricing, and AI features.
How to Automate Customer Onboarding Emails with Klaviyo
A tutorial for building a 5-email customer onboarding sequence in Klaviyo. Covers trigger configuration, email content strategy for each stage (welcome, quick win, feature discovery, social proof, feedback), conditional splits, A/B testing, and performance monitoring with data from a 12,000-subscriber DTC deployment.
Drip vs Klaviyo: Complete Comparison (2026)
A comparison of Drip and Klaviyo for ecommerce email marketing in 2026. Drip offers simpler automation at 35% lower cost for small lists (2,500 contacts). Klaviyo provides predictive analytics, SMS, and deeper Shopify integration with prices converging at 10,000+ contacts. Includes revenue attribution data from migrations.