✉️ Email marketingUpdated 2026-04-22Free tier
Klaviyo
The data-driven email & SMS platform for e-commerce.
If you sell online, Klaviyo is the default answer. The Shopify integration is unmatched, the predictive metrics (CLV, churn risk, next purchase date) are actionable, and the SMS product is integrated rather than bolted on.
Pros
- Best e-commerce integrations
- Predictive analytics
- Email + SMS unified
- Strong deliverability
Cons
- Pricing scales with profile count
- Overkill for non-e-comm
- B2B features are thin
Best for
- Shopify/BigCommerce brands
- DTC
- Subscription commerce
Key features
- Predictive CLV
- Flows builder
- Segmentation
- Reviews
- SMS marketing
Strategic comparisons
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Smarter alternatives
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Frequently asked
Is Klaviyo worth the cost for small stores?
Yes — most Shopify stores recover the cost within the first abandoned-cart flow. The free tier covers stores under 250 contacts.
Try Klaviyo today
Start on the free tier — no credit card required.