Omnisend
Free / from ~$16 per mo
Klaviyo
Free / paid scales with contacts (from ~$20 per mo)
Omnisend combines email and SMS marketing for e-commerce at approachable prices, great for smaller stores. Klaviyo is a data-driven platform with deep segmentation and attribution for e-commerce. Omnisend wins on value and ease for smaller stores; Klaviyo wins on segmentation power and scale.
Pick Omnisend if you run a smaller e-commerce store and want approachable, affordable email and SMS marketing.
Pick Klaviyo if you want deep segmentation, advanced automations, and revenue attribution for a data-driven brand.
Omnisend and Klaviyo are both e-commerce marketing platforms, but they fit different store sizes. Omnisend combines email and SMS in an approachable, affordable package with strong templates and automations, making it a popular choice for smaller and mid-sized stores that want results without complexity. Klaviyo is the data-driven powerhouse, with deep customer segmentation, advanced automations, and revenue attribution that help larger brands squeeze the most from their data.
On price, both have free tiers and scale with contacts; Omnisend starts around $16 a month and Klaviyo around $20. The choice is mostly approachable, affordable email and SMS (Omnisend) versus deep segmentation and attribution (Klaviyo).
We compare email, SMS, segmentation, pricing, and ease.
| Quick facts | Omnisend | Klaviyo |
|---|---|---|
| Free plan | Yes | Yes |
| Starting paid price | From ~$16/mo | From ~$20/mo |
| Ease & value | Best-in-class | Good |
| Segmentation depth | Strong | Best-in-class |
| Best for | Smaller stores | Data-driven brands |
Each row reflects the feature on each product's current public release.
| Feature | O Omnisend | K Klaviyo |
|---|---|---|
| Email marketing | Strong | Best-in-class |
| SMS marketing | Best-in-class | Strong |
| E-commerce automations | Strong | Best-in-class |
| Deep segmentation | Strong | Best-in-class |
| Revenue attribution | Good | Best-in-class |
| Approachable & affordable | Best-in-class | Good |
| Free tier | Yes | Yes |
| Scales to large brands | Good | Best-in-class |
Pricing and features change often. Always verify the current details on each product's official site. Last reviewed 2026-06-26.
Things neither product's marketing page leads with.
Omnisend is more approachable and affordable with strong SMS, but its segmentation depth trails Klaviyo.
Klaviyo is more powerful for data and segmentation, but it costs more and can be overkill for smaller stores.
For smaller stores Omnisend wins on value; for data-driven brands Klaviyo wins.
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