The strongest alternative to Klaviyo for most WordPress sites is Mailchimp for WordPress, a lightweight connector that builds signup forms and syncs subscribers to Mailchimp without Klaviyo’s cost or complexity. MailPoet is the best pick for sending newsletters from inside WordPress, and Brevo covers email, SMS and automation on a generous free tier. We ranked these from our index of 55,000+ WordPress plugins.

Why people switch from Klaviyo

• Klaviyo’s pricing scales quickly with list size, so smaller sites move to Mailchimp for WordPress or Brevo for cheaper plans.
• People who want to write and send newsletters inside WordPress move to MailPoet.
• Sites wanting a self-hosted CRM without per-contact fees move to FluentCRM.
• WooCommerce stores wanting Klaviyo-style flows at lower cost move to Omnisend or Brevo.

Mailchimp for WordPress – Overall replacement

Mailchimp for WordPress, known as MC4WP from ibericode, connects WordPress signup forms to your Mailchimp audience with clean, simple integration. Against Klaviyo, it is far lighter and cheaper for straightforward list building. Drawback: it only handles the signup and sync side, so the actual campaigns and automation happen over in Mailchimp, not WordPress.

Choose Mailchimp for WordPress if you want simple signup forms feeding a Mailchimp list.

MailPoet – Newsletters inside WordPress

MailPoet lets you build, send and automate newsletters directly inside WordPress, with WooCommerce emails and its own sending service. Against Klaviyo, it keeps list management and campaigns in your dashboard at a lower cost. Drawback: its e-commerce automation is less advanced than Klaviyo’s, and high-volume sending pushes you onto its paid plan.

Choose MailPoet if you want to write and send campaigns from your dashboard.

Brevo – Email, SMS and value

Brevo, the Brevo plugin formerly known as Sendinblue, combines email, SMS, chat and marketing automation with a connector for WordPress and WooCommerce. Against Klaviyo, it offers a generous free tier and pricing based on emails sent rather than contacts stored. Drawback: its automation and reporting, while capable, are less specialised for e-commerce than Klaviyo’s.

Choose Brevo if you want multichannel marketing on a generous free tier.

FluentCRM – Self-hosted CRM

FluentCRM, from WPManageNinja, is a self-hosted email marketing and CRM plugin that keeps contacts and automations in your own database. Against Klaviyo, it charges a flat licence instead of scaling fees per contact. Drawback: because it runs on your server and uses your own sending service, deliverability and load are your responsibility to manage.

Choose FluentCRM if you want to own your list and avoid per-contact pricing.

Omnisend – WooCommerce email and SMS

Omnisend links the Omnisend e-commerce marketing platform to WooCommerce for automated email and SMS flows. Against Klaviyo, it targets similar store automations, often at a lower entry cost. Drawback: like Klaviyo it is a hosted service, so you are still tied to an external platform and its pricing as you grow.

Choose Omnisend if you want Klaviyo-style store flows at a lower entry price.

When to stay on Klaviyo

Stay on Klaviyo if you run a serious e-commerce store and rely on its advanced segmentation, predictive analytics and deep WooCommerce or Shopify flows. Few WordPress-native tools match that depth, so if Klaviyo is driving real revenue, its cost may be justified and switching could mean giving up automation you actively use.

How we ranked these

Every plugin here is scored by the WPS Score, a single 0 to 10 rating built from 21 signals covering maintenance, support responsiveness, compatibility, performance, and ratings quality across our index of 55,000+ plugins. Rankings are derived from that data, not editorial preference, and no plugin author can pay to change a score. How the WPS Score works.

Frequently asked questions

What is the best cheaper alternative to Klaviyo for WordPress?

For simple list building, Mailchimp for WordPress paired with Mailchimp is much cheaper. Brevo offers multichannel marketing on a generous free tier, and FluentCRM uses a flat licence instead of per-contact fees, which suits growing lists that would get expensive on Klaviyo.

Is Klaviyo overkill for a small WordPress site?

Often yes. Klaviyo is built for e-commerce stores that need advanced segmentation and automation, and its pricing scales with your list. A small blog or business site is usually better served by MailPoet, Brevo or Mailchimp for WordPress, which cost less for basic newsletters.

Can I keep my email list on my own server instead of a hosted service?

Yes. FluentCRM stores your contacts and automations in your own WordPress database rather than a hosted platform like Klaviyo. You still need a reliable sending service for deliverability, but the list and its data stay under your control.

The verdict

For most WordPress sites the best all-round pick is Mailchimp for WordPress for simple, low-cost list building, with MailPoet best for newsletters in the dashboard and Brevo for multichannel value. FluentCRM suits self-hosting. If Klaviyo’s advanced e-commerce automation is driving revenue, staying on it can be well worth the cost.