Email Marketing
Klaviyo is a B2C CRM and marketing automation platform that unifies email, SMS, and other messaging channels with real-time customer data to power personalized campaigns for ecommerce brands. It is built around the Klaviyo Data Platform, which syncs customer, product, and order data in real time to drive flows, segmentation, and personalization.
The value proposition is data-driven omnichannel marketing. Campaigns run across email, SMS, RCS, mobile push, and WhatsApp, unified into a single customer profile, and marketing automation flows and segmentation are powered by live commerce data rather than manual list management. Klaviyo also ships AI agents (K:AI): a Marketing Agent that builds on-brand campaigns, flows, and forms, and a Customer Agent that autonomously resolves support questions. With 350+ app integrations including Shopify, WooCommerce, and Wix, plus built-in reporting and a Customer Hub for service, it is a platform for ecommerce teams that want marketing and service on one data foundation.
On pricing, Klaviyo starts free: the free plan covers up to 250 profiles, 500 email sends per month, and mobile message credits, and paid plans are calculated by contact count and channel usage through an interactive pricing calculator rather than fixed published tiers, with enterprise pricing available. That contrasts with Omnisend's published tiers from $11.20/mo and Mailchimp's fixed $13/mo Essentials intro rate, and it means the bill scales with how many profiles and messages an account actually uses.
Klaviyo
Klaviyo is a B2C CRM and marketing automation platform that unifies email, SMS, and other messaging channels with real-time customer data to power personalized campaigns for ecommerce brands. Best for: Ecommerce brands running data-driven email + SMS marketing.
At a glance
| Category | Email Marketing |
| Starts at | $0 (free plan: up to 250 profiles, 500 emails/mo, 150 mobile message credits) |
| Pricing | Free plan includes up to 250 profiles, 500 email sends/month, and 150 mobile message credits; paid plans scale by contact count and channel usage (email/SMS) via an interactive pricing calculator rather than fixed published tiers, with enterprise pricing also available. |
| Best for | Ecommerce brands running data-driven email + SMS marketing |
Key features
- Omnichannel campaigns across email, SMS, RCS, mobile push, and WhatsApp unified into a single customer profile
- Marketing automation flows and segmentation powered by the Klaviyo Data Platform with real-time sync of customer, product, and order data
- AI agents (K:AI): Marketing Agent builds on-brand campaigns, flows, and forms; Customer Agent autonomously resolves support questions
- 350+ app integrations including ecommerce platforms like Shopify, WooCommerce, and Wix
- Built-in reporting and marketing analytics plus Customer Hub for service
How does Klaviyo compare to Omnisend and Mailchimp?
Omnisend is the most direct ecommerce competitor, and it publishes what Klaviyo does not: fixed tiers from $11.20/mo (Standard, billed monthly with a -30% first-3-months promo) and $41.30/mo (Pro with Advanced AI), with SMS from $0.007 per message. Klaviyo's paid pricing is usage-based via an interactive calculator, and Omnisend's own pricing page claims savings of up to 35% versus Klaviyo. Klaviyo's edge is data depth: real-time customer, product, and order sync plus AI agents, versus Omnisend's easier-to-budget tier list.
Mailchimp competes for the same ecommerce buyers with fixed tiers: a free plan for 250 contacts, Essentials at $13/mo, Standard at $20/mo, and Premium at $350/mo (intro rates for 12 months). Klaviyo's free plan covers 250 profiles and 500 email sends per month, and its paid pricing scales with usage, so Mailchimp is the more predictable bill while Klaviyo is built to turn commerce data into automation.
Feature-wise, Klaviyo's omnichannel coverage, email, SMS, RCS, mobile push, and WhatsApp, unified in one customer profile, is the widest of the three, and the K:AI agents (Marketing Agent and Customer Agent) automate both campaign creation and support resolution. Omnisend counters with web push and AI-assisted copywriting and segmentation at published prices, and Mailchimp counters with a 300+ integration catalog and fixed tiers. If your automation depends on real-time commerce data, Klaviyo's Data Platform is the differentiator; if you need a predictable bill, Omnisend's or Mailchimp's published pricing wins.
Who should use Klaviyo?
If you are an ecommerce brand on Shopify, WooCommerce, or Wix that wants email and SMS driven by real order and customer data, Klaviyo is a fit because flows can trigger off actual purchase, browse, and abandon behavior synced in real time, and the 350+ integration catalog covers the commerce stack. The free plan lets stores start at $0 with up to 250 profiles and 500 email sends per month.
If your team also handles customer support, the Customer Hub and the K:AI Customer Agent fold service into the same data platform, so support conversations and marketing profiles share context.
Klaviyo is NOT ideal for non-ecommerce businesses: the platform's power is in commerce data, and general SMB email marketing is cheaper elsewhere. It is also less suitable for buyers who want a fixed, predictable monthly price, since paid plans are quoted through a usage-based calculator rather than a published tier list.
Pricing
Free plan includes up to 250 profiles, 500 email sends/month, and 150 mobile message credits; paid plans scale by contact count and channel usage (email/SMS) via an interactive pricing calculator rather than fixed published tiers, with enterprise pricing also available. Confirm current terms on the vendor site before buying.
Alternatives
Worth comparing: Mailchimp, Activecampaign, Brevo.
FAQ
Is Klaviyo free?
Yes. The free plan includes up to 250 profiles, 500 email sends per month, and mobile message credits, with paid add-ons available.
How much does Klaviyo cost?
Klaviyo does not publish fixed paid tiers. Pricing is calculated by contact count and channel usage (email and SMS) through an interactive pricing calculator, and enterprise pricing is available on request.
Does Klaviyo have a free trial?
Klaviyo's entry path is its free plan (up to 250 profiles and 500 email sends per month) rather than a time-limited trial; paid pricing is calculated per account usage.
Klaviyo vs Omnisend: which is better?
Omnisend publishes tiers from $11.20/mo (Standard, promo rate) and claims savings of up to 35% versus Klaviyo, making it easier to budget. Klaviyo offers deeper real-time commerce data and AI agents. Choose Klaviyo for data depth, Omnisend for transparent published pricing.