Klaviyo Review
Email & SMS · Email & CRM
The ecommerce email and SMS platform — best-in-class segmentation and revenue attribution.
Our take
If you sell products online, this is the one. Seeing exactly which email produced which sale changes how you argue for email budget.
At a glance
- Category
- Email & CRM
- Type
- Email & SMS
- Pricing
- Freemium
- Free option
- Yes
- Difficulty
- Medium
- Best for
- Ecommerce brands
What Klaviyo does
For any business selling products online, Klaviyo is the default: it ties every email and SMS directly to revenue, and its segmentation goes far deeper than list-based tools. Predictive analytics for churn risk and expected lifetime value let you build flows around what someone is likely to do next.
How marketers actually use it
The three flows that pay for it: abandoned cart, post-purchase, and winback. Build them once against real purchase behaviour, and Klaviyo reports exactly how much revenue each produced — which makes the budget conversation trivial.
Best for
- Ecommerce abandoned-cart, winback and post-purchase flows
- Segmentation based on real purchase behaviour
- Seeing exactly which email produced which sale
- Running email and SMS from one platform
Watch out for
Costs climb steeply as your list grows, and it is heavily ecommerce-shaped — a service business will find much of it irrelevant.
Klaviyo pricing
Free up to 250 contacts; paid plans start around $45/mo and scale with list size.
Checked August 2026. Pricing changes constantly — confirm on the official site before you buy. There are no affiliate links on this page.
Check current Klaviyo pricingKlaviyo FAQ
Is Klaviyo free?
Free up to 250 contacts. Paid plans start around $45/mo and scale with list size.
Is Klaviyo worth it over Mailchimp?
For ecommerce, clearly. The segmentation depth and revenue attribution are in a different class. For a service business, much of it is irrelevant.
Does Klaviyo get expensive?
Yes, steeply, as your list grows. Prune inactive contacts regularly or you will pay to store people who never open anything.
Which Klaviyo flows should I build first?
Abandoned cart, welcome, and post-purchase, in that order. Those three usually produce the majority of flow revenue before you build anything more sophisticated.
Does Klaviyo work for non-ecommerce businesses?
It can, but much of its value is purchase-behaviour segmentation and revenue attribution. A service business will pay for capability it cannot use.
Klaviyo alternatives
Other email & crm tools worth comparing before you commit: