Klaviyo is the most popular email and SMS marketing platform for ecommerce — used by 150,000+ brands including major Shopify stores. It's built specifically for ecommerce, meaning every feature is designed around the way online stores acquire, retain and grow customers.
Its AI features include predictive analytics that identify which customers are likely to churn, AI-generated email subject lines and copy, smart send-time optimisation and product recommendation blocks that auto-populate with items each individual customer is most likely to buy.
The real power is in automated flows — abandoned cart sequences, post-purchase follow-ups, win-back campaigns and browse abandonment emails that run automatically 24/7. Most Klaviyo users report email and SMS contributing 30-50% of their total revenue.
Key Features
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Abandoned Cart Recovery
Automatically emails customers who leave items in their cart — typically the highest-ROI automation any ecommerce store can set up.
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AI Content Generation
AI generates email subject lines, preview text and body copy — A/B tested automatically to find what converts best.
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Predictive Analytics
Predicts customer lifetime value, churn risk and next purchase date — so you target the right customers at the right time.
Segment by purchase history, browsing behaviour, predicted LTV and 100+ other data points — hyper-targeted campaigns.
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Shopify Integration
Deep native Shopify integration — syncs all customer, order and product data automatically in real time.
Pros & Cons
What we love
Best-in-class ecommerce email automation
Deep Shopify integration — zero setup friction
AI subject lines and send time optimisation
Free plan up to 250 contacts
Predictive analytics identify at-risk customers
Watch out for
Gets expensive as list grows
Can be complex to set up advanced flows
SMS costs extra on top of email plan
Frequently Asked Questions
Yes — Klaviyo's free plan covers up to 250 contacts and 500 emails/month, which is enough to set up abandoned cart and welcome flows before paying anything. Most stores see ROI from abandoned cart recovery alone within the first month. It's the most recommended email tool in the Shopify ecosystem for good reason.
Klaviyo is free up to 250 email contacts (500 emails/month). Paid plans start at $20/month for up to 500 contacts and scale based on list size. SMS is priced separately per message. Annual billing gives a small discount. As your list grows, costs increase — but Klaviyo's revenue attribution tools let you see exactly what ROI each campaign delivers.
Klaviyo is significantly better for ecommerce — it's built specifically for online stores, has deeper Shopify/WooCommerce integration and far more powerful flow automation. Mailchimp is more general-purpose and better for non-ecommerce businesses. Most serious ecommerce brands migrate from Mailchimp to Klaviyo as they grow.
The undisputed best email and SMS platform for ecommerce — its deep Shopify integration and AI-powered flows make it the highest-ROI marketing tool most stores can buy.
Quick Facts
Best forEcommerce stores, Shopify brands
PricingFree up to 250 contacts
Free trialFree plan available
Founded2012
Try Klaviyo
Abandoned cart recovery, win-back flows, product recommendations and AI-generated campaigns — built specifically for ecommerce stores.