Klaviyo vs Swell
Updated June 2026 · A structured head-to-head comparison.
The verdict
Both Klaviyo and Swell are credible marketing automation tools, and the right pick comes down to your priorities.
Klaviyo — The data-driven marketing platform for ecommerce.
Swell — Headless commerce for custom brands.
Klaviyo vs Swell: side by side
| Dimension | Klaviyo | Swell |
|---|---|---|
| Starting price | Free – $45/mo | Free – $299/mo |
| Free plan | Yes | Yes |
| Pricing model | Freemium | Freemium |
| Best for | Ecommerce, Dtc Brands | Custom Brands, Developers |
| Platforms | Web, Api | Web, Api |
| Rating | 4.6/5 | 4.4/5 |
Klaviyo key facts
- Vendor
- Klaviyo
- Pricing
- Freemium — Free – $45/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Ecommerce, Dtc Brands
- Editor rating
- 4.6 / 5
- Founded
- 2012
- Headquarters
- Boston, MA, USA
Swell key facts
- Vendor
- Swell
- Pricing
- Freemium — Free – $299/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Custom Brands, Developers
- Editor rating
- 4.4 / 5
- Founded
- 2017
- Headquarters
- Austin, TX, USA
Frequently asked questions
Is Klaviyo better than Swell?
Neither is universally better — Klaviyo edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Klaviyo or Swell cheaper?
Klaviyo is the more affordable of the two to get started, at free – $45/mo. Klaviyo starts at free – $45/mo; Swell starts at free – $299/mo.
Can Klaviyo replace Swell?
Yes for most teams — both are marketing automation tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.