Klaviyo is an email and SMS marketing platform built around e-commerce store data, with AI tools for writing, segmenting, predicting customer value and answering shoppers. It is worth it for online stores that want email tied to orders and browsing. For salons, clinics and contractors it is more tool than you need, and costs rise quickly with list size.
What Klaviyo is
Klaviyo is a marketing platform for online stores. It sends email and text messages and pulls in customer and order data from your store so you can target messages by what people buy and browse Klaviyo AI ↗. Klaviyo says more than 205,000 brands use it Klaviyo AI ↗.
It connects to the main store platforms, including Shopify, WooCommerce, BigCommerce, Magento, Commerce Cloud and Wix, and its app marketplace lists more than 350 integrations Klaviyo AI ↗.
Its AI is branded Klaviyo AI, or K:AI. It includes a marketing agent called Composer, generative tools for email, SMS and segments, predictive analytics and a Customer Agent that answers shoppers Klaviyo AI ↗. Klaviyo also offers apps for Claude and ChatGPT and an MCP server so outside AI tools can work with your account Klaviyo AI ↗.
What it does well
It is built on store data. Predictive analytics score each customer on predicted lifetime value, churn risk and RFM, which ranks people by how recently, how often and how much they buy Klaviyo AI ↗. Klaviyo also predicts channel preference and the best send time for each person Klaviyo AI ↗. For a shop, that turns a single newsletter into targeted messages to your best and most at risk customers.
The AI covers planning as well as writing. Klaviyo says Composer builds the audience, drafts content and maps the send strategy from a goal you describe, and can analyze campaigns, segments and flows for revenue opportunities Klaviyo AI ↗. Other tools include an AI copy generator, brand voice AI, smart translations and an AI photo editor called Klaviyo Remix Klaviyo AI ↗.
The Customer Agent goes beyond marketing. Klaviyo says it handles order tracking, product recommendations, general questions and loyalty requests in 113 languages, and tests its responses before customers see them Klaviyo AI ↗.
There is a real free plan. It covers up to 250 active profiles, 500 email sends a month and 150 mobile message credits a month, according to a May 2026 pricing breakdown Spoks ↗.
Where it falls short
It is overkill for service businesses. Most of Klaviyo's value comes from order and browsing data Klaviyo AI ↗. A salon, clinic or contractor without an online store will pay for features it cannot use.
Costs climb with your list. Billing counts every reachable profile, including leads and imported contacts, not just buyers Spoks ↗. Unsubscribed profiles only come off the bill if you suppress them yourself, and crossing a tier moves you to the higher price immediately Spoks ↗.
Text messages can get expensive abroad. The same breakdown puts 10,000 SMS at about $90 in the US, $280 in Canada and $1,080 in Germany Spoks ↗. If auto upgrade is on, an SMS overage can move you to a larger credit pack without asking Spoks ↗.
Pricing is hard to read. Klaviyo's own pricing page did not show plan prices in the text we could read, and its AI page does not say which AI features come with which plan Klaviyo AI ↗ Klaviyo pricing ↗. There is no public annual discount for self serve accounts Spoks ↗. Hands on testing is in progress; we will update this review with results.
Pricing and plans
These figures come from a May 18, 2026 breakdown that pulled prices from Klaviyo's site; confirm at signup Spoks ↗.
Free: up to 250 active profiles, 500 email sends a month and 150 mobile message credits a month, with email support for the first 60 days Spoks ↗.
Email plan: $20 a month for up to 500 profiles with 5,000 sends, $30 for up to 1,000 profiles, $60 for up to 2,500, $100 for up to 5,000 and $150 for up to 10,000 profiles Spoks ↗. The top public tier is $2,300 a month for up to 250,000 profiles; above that you need a quote Spoks ↗.
SMS: credits are sold in packs, from 1,250 credits for $15 to 5,000 for $45, then $0.009 per credit; a US text uses one credit and a US MMS three Spoks ↗. Klaviyo Reviews is a separate product, free up to 50 orders a month and then priced by order volume, starting at $25 for 250 orders Spoks ↗.
Who should (and shouldn't) use it
- Good fit: online stores on Shopify, WooCommerce or BigCommerce that want email and SMS tied to purchase data Klaviyo AI ↗.
- Good fit: shops that want predictive targeting, such as win back messages to customers at risk of churning Klaviyo AI ↗.
- Skip it if: you run a service business without an online store Klaviyo AI ↗.
- Skip it if: you have a large list of leads who rarely buy, since every reachable profile is billed Spoks ↗.
- Skip it if: you mainly send texts outside the US, where credit costs rise sharply Spoks ↗.
Alternatives worth a look
- MailerLite: our top pick for most small businesses, with AI writing on paid plans from $12 a month MailerLite pricing ↗.
- Brevo: prices by emails sent rather than contacts, which suits big lists with a monthly newsletter Omnisend on Brevo ↗.
- Kit: free for up to 10,000 subscribers, though light on built in AI writing Kit pricing ↗.
- Mailchimp: Standard includes generative AI from $20 a month and scales to large teams Mailchimp pricing ↗.
Where it appears
Also greatThe Best AI Email Marketing Tools for Small BusinessesOur pickThe Best AI Tools for Shopify and Ecommerce SellersWhat’s good
- Built for store data
- Free plan
- Predictive analytics
What to know
- Overkill for service businesses
- Costs rise with list size
Key features
- Klaviyo AI (K:AI)
- Customer Agent
- Predictive analytics
- Email and SMS
Questions people ask
Is Klaviyo free?
Yes. The free plan covers up to 250 active profiles, 500 email sends and 150 mobile message credits a month Spoks ↗.
How much does Klaviyo cost?
Email plans start at $20 a month for up to 500 profiles and $30 for up to 1,000, rising with list size Spoks ↗.
What is the Klaviyo Customer Agent?
An AI agent that handles order tracking, product recommendations, general questions and loyalty requests in 113 languages Klaviyo AI ↗.
Is Klaviyo worth it for a small business?
For an online store, usually yes. For a service business without store data, a simpler tool such as MailerLite costs less Klaviyo AI ↗ MailerLite pricing ↗.
Where this comes from
Checked Oct 9, 2026. Vendor pages describe their own products; independent sources add outside views. Hands on testing is in progress.
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