Klaviyo vs Omnisend

Last checked: Oct 18, 2026 · Prices can change—always confirm on the vendor’s site.

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The short answer

Both are ecommerce-first. Klaviyo goes deepest on data and analytics; Omnisend emphasises value, pre-built workflows and 24/7 support on every plan. Both free plans allow 250 contacts/profiles and 500 emails/month.

Klaviyo

Data-driven email and SMS for ecommerce.

Visit Klaviyo (opens official site)

Omnisend

Ecommerce email, SMS and push at accessible prices.

Visit Omnisend (opens official site)

Side-by-side

	Klaviyo	Omnisend
Free plan	Free plan: up to 250 active profiles, 500 email sends/month, $5 of mobile messages/month; email support for the first 60 days.	Free plan: 250 contacts, 500 emails/month, 500 web push notifications/month, with access to the platform’s features.
Starting paid price	Check site for current pricing	Check site for current pricing
Plans	Free, Email, Email + SMS	Free, Standard, Pro, Custom
Billing	Monthly, priced by active profiles. Paid prices render dynamically on the official page.	Monthly, billed in USD, priced by contacts. Prices render dynamically on the official page.
Standout features	Deep ecommerce integrations (Shopify, WooCommerce, Wix and more) Segmentation and automated flows based on purchase/browse data Email and SMS/MMS in one platform Built-in reporting and revenue attribution	Pre-built ecommerce automation workflows Email, SMS/MMS and web push in one workflow Product recommender and dynamic content Segmentation with lifecycle stages and AI segment builder
Notable limits	Free plan: 250 active profiles and 500 sends/month; sending pauses above limits Free plan email support only for the first 60 days	Free plan: 500 emails/month to 250 contacts Standard sends capped at 12× list size SMS billed per message; MMS US & Canada only
Sources	Klaviyo pricing	Omnisend pricing

Key differences

Strengths: Klaviyo — Best-in-class use of ecommerce data; Omnisend — Built for online stores with ready-made workflows.
Watch-outs: Klaviyo — Pricing scales with profile count and can rise quickly; Omnisend — Less suited to non-ecommerce use.

Which should you choose?

Choose Klaviyo if…

Ecommerce brands—especially on Shopify—that want automation driven by customer and purchase data.
Email and SMS together with shared profiles

Choose Omnisend if…

Shopify and other online stores wanting email + SMS automation without enterprise complexity.
24/7 support on every plan, including Free

Read the full reviews: Klaviyo review · Omnisend review · all tools table

FAQ

Is Klaviyo or Omnisend better?

It depends on your needs. Klaviyo is great for: Ecommerce brands—especially on Shopify—that want automation driven by customer and purchase data. Omnisend is great for: Shopify and other online stores wanting email + SMS automation without enterprise complexity.

Do Klaviyo and Omnisend have free plans?

Klaviyo: Free plan: up to 250 active profiles, 500 email sends/month, $5 of mobile messages/month; email support for the first 60 days. Omnisend: Free plan: 250 contacts, 500 emails/month, 500 web push notifications/month, with access to the platform’s features.