Klaviyo vs Omnisend: Which Should You Choose in 2026?
Two email marketing tools, compared feature by feature — pricing, ratings, strengths, and the use case each one wins.
The Short Answer
The closest pair in this category. Klaviyo scores higher (93 against 87) and its listed strengths are deep ecommerce integrations and advanced segmentation, with the trade-off stated as "cost climbs quickly as active profiles increase" and a steeper learning curve. Omnisend's list includes forms, web push and 24/7 support that Klaviyo's does not name, with an entry price of $16 and a usable free tier — but "fewer advanced features than Klaviyo at the top end." High-volume stores with complex segmentation → Klaviyo. Smaller stores wanting email, SMS and push in one place → Omnisend.
| Feature | ||
|---|---|---|
| Entry Score | 90/100 | 83/100 |
| Starting Price | Free / $20/mo | Free / $16/mo |
| Free Tier | ||
| Best For Stage | early-traction, growing | early-traction, growing |
| Primary use | Ecommerce omnichannel | Ecommerce email + SMS |
| SMS / multichannel | ||
| Landing pages & forms | — | |
| Paid subscriptions | — | — |
| Built-in CRM | — | — |
| Deliverability tools | — | — |
Klaviyo
Pros
- Deep ecommerce integrations with rich customer data
- Advanced segmentation and prebuilt automation flows
- Omnichannel across email, SMS, RCS, WhatsApp and push
- Strong built-in reporting and dashboards
Cons
- Cost climbs quickly as active profiles increase
- Steeper learning curve than simple newsletter tools
- Overkill for non-ecommerce use cases
- Email support limited on the free plan
Omnisend
Pros
- Affordable entry pricing with a usable free tier
- Email, SMS and web push in one platform
- 24/7 support on all plans, including free
- Prebuilt ecommerce automation workflows
Cons
- Contact-based pricing rises as your list grows
- Fewer advanced features than Klaviyo at the top end
- Primarily built around ecommerce use cases
- SMS billed separately per message
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What Users Say
Klaviyo
“Segmenting customers who bought Product X but not Product Y in the last 90 days takes about 30 seconds. But the shift to active-profile billing in early 2025 caught a lot of small brands off guard.”
— Nolan Vu (@nolan_vu) · Product Hunt source
Omnisend
“Integration with BigCommerce is clean, and back-in-stock automation works reliably. SMS for back-in-stock alerts is also limited; you can only send a generic message.”
— Frank A. (Head of Digital, Business Supplies) · Capterra source
Compare on this site: Klaviyo · Omnisend · Email Marketing