- Verified by BizGlocal
Data-Driven Email And SMS Marketing Built On A Unified Customer Data Platform
- 2,000+ Employees
- Founded In 2012
- Boston, MA
- Serves 176,000+ Customers
About Klaviyo
Industry leader in connected fleet operations
Market Position
One of the largest email and SMS platforms for ecommerce brands, now positioning itself as an AI-first B2C CRM.
Innovation Focus
Predictive analytics, AI marketing and customer agents, and a headless CRM layer that outside AI tools can call.
Core Strengths
Deep Shopify and ecommerce data sync, real-time segmentation, prebuilt flows, and native SMS in one platform.
Use Cases
Abandoned cart recovery, welcome and post-purchase flows, win-back campaigns, product reviews and retention programs.
Core Products & Solutions
Email Campaigns and Flows
A drag-and-drop editor with templates and a visual flow builder for automated sequences such as welcome, browse abandonment, cart abandonment and post-purchase. Flows trigger on store events, list membership, dates or custom metrics.
Segmentation and Predictive Analytics
Segments update in real time based on behavior, purchase history and profile properties. Predictive fields estimate customer lifetime value, churn risk and expected next order date for each profile.
Klaviyo Data Platform (CDP)
The underlying customer data platform unifies profiles from the store, website and connected apps, with paid tiers adding data transformation, warehouse sync and deeper analytics.
SMS, MMS and Mobile Channels
SMS and MMS run from the same profiles and flows as email, so a single automation can branch between channels. Mobile push and WhatsApp messaging extend the same approach to other channels.
Klaviyo AI and Agents
Built-in AI drafts subject lines, copy and segments, and the Marketing Agent and Customer Agent can plan campaigns and answer shopper questions. A mid-2026 release added coordinated AI agents in beta.
Reviews and Customer Hub
Klaviyo Reviews collects and displays product reviews that also feed segmentation and flows. Customer Hub and helpdesk features give shoppers a self-service portal linked to the same profile data.
Pricing Overview
Free
New stores testing email and SMS
$0/mo
$0 per month, up to 250 active profiles
- Up to 250 active profiles
- 500 monthly email sends
- 150 free monthly SMS or MMS credits
- Email templates and signup forms
- Core flows and segmentation
- Email support for the first 60 days
Growing brands focused on email
Starts at
$20/mo
Starts at $20 per month for up to 500 active profiles
- Monthly email sends set at about 10 times the profile tier
- 150 free monthly SMS or MMS credits
- Full flow library and A/B testing
- Predictive analytics and AI features
- Email and chat support
- Price rises in steps as active profiles grow
Email and SMS
Brands running email and text together
Starts at
$35/mo
Starts at $35 per month for up to 500 active profiles
- Everything in Email
- Monthly SMS or MMS credit allowance included
- Two-way SMS conversations
- Cross-channel flows between email and SMS
- SMS compliance tooling and consent capture
- Email and chat support
Who Is Klaviyo Best For?
Small Businesses
1-25 EmployeesA good fit for small online stores that want enterprise-grade flows and segmentation from day one, with a free plan to start. Costs should be modeled carefully because the bill scales with list size, not team size.
Mid-Market Companies
26-100 EmployeesWell suited to brands with dedicated retention or lifecycle marketers who will use predictive fields, multi-branch flows and combined email and SMS. The depth pays off most when someone owns the platform full time.
Enterprise Companies
100+ EmployeesKlaviyo has pushed upmarket with its data platform, marketing analytics and AI agents, and reports growing counts of large customers. Very large or omnichannel enterprises should compare it with dedicated customer engagement suites.
Ecommerce Brands
Any SizeThe strongest fit overall: native Shopify, BigCommerce, WooCommerce and Magento integrations bring order and browsing data straight into segments and flows. Direct-to-consumer brands get the most value from its product-level personalization.
Measurable Impact & Benefits
95%
Higher Email Open Rates
Reported by a coffee brand in a Klaviyo case study
33%
Of Revenue From Direct Channels
Fashion retailer Club L grew direct revenue share using Klaviyo automation
2x
Email Revenue
ICONIC Cosmetics doubled email revenue after moving to Klaviyo
600%+
Revenue From Automation
Grind attributed more than 600% revenue growth to email automation
50% Year
Over Year Revenue Growth
CaseMate grew revenue with Klaviyo marketing automation on Magento
32%
Company Revenue Growth In 2025
Klaviyo's full-year 2025 revenue growth rate
110%
Net Revenue Retention
Existing customers expanded their spend on Klaviyo over 2025
$370.6M
Quarterly Revenue
Klaviyo's Q2 2026 revenue, up 26% year over year
Klaviyo Real reviews
Our Rating:
4.6/5
- Verified Users
- Verified Users
Email Marketing Checklist
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Klaviyo’s Pros & Cons
Balanced evaluation to help you make an informed decision
Strengths
- Real-time segmentation built on detailed order, browsing and event data
- Predictive analytics for lifetime value, churn risk and next order date on every plan
- Large library of prebuilt ecommerce flows with multi-branch logic
- Email, SMS, push, reviews and helpdesk share one customer profile
- Deep native integrations with Shopify and other major ecommerce platforms, plus 350+ connected apps
- Fast-moving AI roadmap, including marketing and customer service agents
- Financially stable public company with consistent revenue growth
Limitations
- Billing by active profiles makes costs climb quickly as a list grows
- Overages and automatic plan upgrades can surprise teams that do not prune lists
- Advanced analytics and data platform features are paid add-ons on top of the base plan
- The depth of flows and segmentation creates a real learning curve for small teams
- Free plan support ends after 60 days, and Trustpilot reviewers frequently cite slow support
- Less suited to B2B or non-ecommerce senders than general-purpose email tools
Our Verdict
Klaviyo earns its Best in Features placement for email marketing through a combination few competitors match at its price points: real-time segmentation on rich store data, predictive analytics included on standard plans, a mature flow builder, and native SMS, reviews and AI agents sharing a single customer profile. For ecommerce and direct-to-consumer brands that will actively use that depth, it is one of the strongest choices on the market, and its financial results suggest continued investment in the product. Buyers should weigh that depth against cost and complexity. Pricing scales by active profiles, add-ons such as advanced analytics cost extra, and the 2025 billing change raised bills for many accounts. Small stores with simple newsletter needs, B2B senders, and teams without time to manage segments and flows may get better value from a simpler or cheaper tool, while brands that want maximum capability should model their three-year cost at projected list size before committing.
Resources
Resources & Documentation
Detailed materials for deeper evaluation
Pricing Page
Current plan prices by active profile count, with a pricing calculator
Billing Changes FAQ
Klaviyo Help Center guide to the February 2025 active-profile billing changes
Customer Case Studies
Library of brand success stories by industry and platform
Email Automation Case Studies
Klaviyo blog examples of flow and automation results
Health and Beauty Benchmarks
Klaviyo industry benchmark report for email and SMS performance
Klaviyo AI Features Overview
Blog walkthrough of AI features for autonomous marketing and customer service
Service Partner Directory
Directory of certified agencies and implementation partners
Investor Relations
Quarterly results, annual reports and SEC filings
What to Know
What to Know Before Buying
-
Store integrations sync historical orders and products within hours to days -
Sending domain authentication and list warming are needed before large sends
-
Many brands use a certified agency partner to build flows and segments
-
Non-ecommerce data sources usually need API work or a data warehouse connection.
-
Plan tiers and SMS credits should be modeled against expected list growth.
-
Marketing analytics, advanced data platform features, extra SMS credits and agency help are additional costs.
-
Suppressing inactive profiles during migration helps control active-profile billing.
-
Larger accounts can negotiate custom pricing and terms with sales.
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FAQ’s
Frequently Asked Questions
Common questions about Klaviyo
Klaviyo has a free plan for up to 250 active profiles and 500 monthly email sends. Paid plans start at $20 per month for Email and $35 per month for Email and SMS at up to 500 active profiles, and prices rise in steps as your active profile count grows.
An active profile is a contact you can currently email or text. Suppressed or unsubscribed profiles do not count, so regularly suppressing inactive contacts is the main way to control cost.
Since the February 2025 billing change, exceeding your plan's active profile limit can trigger overage charges and an automatic move to a higher tier. Monitoring list growth and suppression settings helps avoid surprise bills.
Yes. The Free and Email plans include a small monthly allowance of SMS or MMS credits, and the Email and SMS plan adds a larger credit allowance, two-way messaging and combined flows. Additional credits cost extra.
Klaviyo estimates predicted customer lifetime value, churn risk and expected next order date for profiles once a store has enough order history. These fields can be used directly in segments and flow branches.
Klaviyo has native integrations with Shopify, BigCommerce, WooCommerce and Magento, and lists more than 350 integrations overall. Its APIs allow custom events from other systems.
Klaviyo is built mainly for consumer brands, and its strengths center on order and product data. B2B teams with sales-led funnels often find CRM-connected tools a closer fit.
Common alternatives include Omnisend and Mailchimp for ecommerce and small business email, Attentive for SMS-first programs, Brevo for lower-cost sending, and Braze for large enterprise customer engagement.