Comparison

Klaviyo vs Omnisend

A detailed breakdown of Klaviyo and Omnisend for e-commerce sellers. Last updated 2026-04-01.

Quick verdict

Klaviyo scores highest overall (8/10), but the best choice depends on your use case.

Klaviyo:Shopify store owners serious about email and SMS marketing
Omnisend:Shopify sellers who want email and SMS marketing with AI features at a lower price than Klaviyo
Klaviyo8/10
Omnisend8/10
Starting priceFree tierFree tier
Overall score
8/10Best
8/10Best
Ease of use
7/10
9/10Best
Value for money
8/10
9/10Best
Shopify
10/10Best
9/10
Amazon
2/10Best
1/10
Platforms
Shopify
Shopify
Free trialYesYes

How they compare

What is Klaviyo?

Klaviyo is the dominant email and SMS marketing platform for Shopify stores. Its deep Shopify integration means it pulls in order data, browsing behaviour, and customer profiles automatically, giving you segmentation capabilities that generic email tools cannot match. The AI features handle subject line generation, send-time optimisation, and predictive analytics.

What is Omnisend?

Omnisend is an email and SMS marketing platform built for e-commerce, with deep Shopify integration and AI features across every pricing tier including free. It occupies the same space as Klaviyo but at a significantly lower price point, making it the go-to choice for Shopify sellers who want marketing automation without a large upfront investment. Over 150,000 brands use Omnisend, and it holds a 4.8 rating on the Shopify App Store.

Key differences

  • Omnisend is notably easier to use (9/10 vs 7/10).

Klaviyo

+Best-in-class Shopify integration
+AI subject line generator
+Powerful segmentation
+Free up to 250 contacts
-Gets expensive as list grows
-Steep learning curve
-Amazon integration is limited

Omnisend

+All features available on every plan including free
+AI segment builder with natural language prompts
+Email and SMS in one platform
+Free tier covers 250 contacts with automation
-AI subject line generator lacks tone controls
-Predictive analytics less advanced than Klaviyo
-Limited A/B testing beyond subject lines

Which is best for you?

Choose Klaviyo if...

The gold standard for Shopify email marketing. The AI features are a nice bonus, but the real value is in the data-driven segmentation.

Choose Omnisend if...

The best value email and SMS platform for Shopify stores. You get nearly every feature on the free plan, and the AI tools are practical rather than gimmicky.

Note: Both tools cover Email Marketing. The best pick depends on your budget and whether you prioritise ease of use or depth of features.

Our verdicts

Klaviyo -- 8/10

The gold standard for Shopify email marketing. The AI features are a nice bonus, but the real value is in the data-driven segmentation.

Omnisend -- 8/10

The best value email and SMS platform for Shopify stores. You get nearly every feature on the free plan, and the AI tools are practical rather than gimmicky.