Klaviyo is an AI marketing platform and B2C CRM built for ecommerce. It brings customer data, email, SMS, WhatsApp and reviews together, and its AI helps write campaigns, build segments and run automated flows. There is a free plan, and email plans start at about $20 a month.
What is Klaviyo?
Klaviyo is one of the most popular email and SMS platforms for online stores. It connects deeply with Shopify and other ecommerce platforms, so you can use purchase and browsing data to send the right message at the right time.
Klaviyo calls itself an autonomous B2C CRM. Its AI can create campaigns, predict customer behaviour, build segments from plain language and run flows like abandoned cart, welcome series and win-back automatically.
Klaviyo key features
Email marketing
Design and send campaigns with templates.
SMS and WhatsApp
Reach customers on their phones.
Automated flows
Abandoned cart, welcome and win-back journeys.
AI campaign builder
Create campaigns and content with AI.
Predictive analytics
Predict lifetime value and next purchase date.
Segments
Target customers with detailed segments.
Ecommerce integrations
Deep Shopify, WooCommerce and BigCommerce sync.
Reviews
Collect and show product reviews.
Customer hub
Help customers with self-service and AI.
Klaviyo pricing plans (2026)
Klaviyo has a free plan and paid plans priced by the number of active profiles. Adding SMS raises the price.
Free
Up to 250 active profiles and 500 email sends a month.
Email marketing for growing lists, price scales with profiles.
Email + SMS
Email plus SMS and MMS credits.
Starting prices checked in October 2026 (USD). Costs rise as your list grows. Enterprise pricing is custom. Confirm on the official Klaviyo pricing page.
How to use Klaviyo
- 1
Go to klaviyo.com and sign up for free.
- 2
Connect your Shopify or other ecommerce store.
- 3
Import your customer list and sign-up forms.
- 4
Turn on pre-built flows like welcome and abandoned cart.
- 5
Create campaigns with AI and track revenue in reports.
Who should use Klaviyo?
Ecommerce brands
Grow revenue with email and SMS.
Shopify stores
Use store data for personalised messages.
Marketing teams
Automate customer journeys.
DTC startups
Start free and scale as you grow.
Pros and cons
What we like
- Best-in-class ecommerce integrations
- Powerful automations and segments
- Strong AI and predictive features
- Free plan to start
Watch out for
- Costs rise quickly with list size
- SMS adds extra cost
- Can be complex for beginners
- Less suited to B2B businesses
Best Klaviyo alternatives
Klaviyo is the top choice for ecommerce brands that want data-driven email and SMS. Its integrations and AI make marketing more personal and profitable. Start free and watch costs as your list grows.
Klaviyo FAQs
Is Klaviyo free?
Yes. Klaviyo has a free plan for up to 250 active profiles and 500 email sends a month.
How much does Klaviyo cost?
Email plans start at about $20/month and Email + SMS at about $35/month, rising with your list size.
Does Klaviyo work with Shopify?
Yes. Klaviyo has a deep Shopify integration and works with other ecommerce platforms.
Does Klaviyo have AI?
Yes. Klaviyo AI helps create campaigns, build segments and predict customer behaviour.
Is Klaviyo better than Mailchimp?
Klaviyo is stronger for ecommerce data and automation, while Mailchimp is simpler and cheaper for small lists.
Where is Klaviyo based?
Klaviyo is based in Boston, Massachusetts, and was founded in 2012.
