Klaviyo vs Postscript
Updated June 2026 · A structured head-to-head comparison.
SMS marketing for Shopify brands.
The verdict
Both Klaviyo and Postscript are credible marketing automation tools, and the right pick comes down to your priorities.
Choose Klaviyo if you want a lower starting price (free – $45/mo) and a free plan to start on. The data-driven marketing platform for ecommerce.
Postscript — SMS marketing for Shopify brands.
Klaviyo vs Postscript: side by side
| Dimension | Klaviyo | Postscript |
|---|---|---|
| Starting price | Free – $45/moWinner | From $100/mo |
| Free plan | YesWinner | No |
| Pricing model | Freemium | Subscription |
| Best for | Ecommerce, Dtc Brands | Ecommerce, Shopify Stores |
| Platforms | Web, Api | Web, Api |
| Rating | 4.6/5 | 4.6/5 |
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
Postscript key facts
- Vendor
- Postscript
- Pricing
- Subscription — From $100/mo
- Free tier
- No
- Platforms
- Web, Api
- Best for
- Ecommerce, Shopify Stores
- Editor rating
- 4.6 / 5
- Founded
- 2018
- Headquarters
- Remote
Frequently asked questions
Is Klaviyo better than Postscript?
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 Postscript cheaper?
Klaviyo is the more affordable of the two to get started, at free – $45/mo. Klaviyo starts at free – $45/mo; Postscript starts at from $100/mo.
Can Klaviyo replace Postscript?
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.