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Head-to-head

Klaviyo vs Postscript

Two leading email marketing tools, compared on pricing, features, and editorial fit. Updated for 2026.

Klaviyo logo
Klaviyo

Email + SMS for ecommerce.

From Free
Visit Klaviyo
Postscript logo
Postscript

AI retention marketing platform for SMS, RCS, and email

From Free
Visit Postscript

At a glance

 KlaviyoPostscript
TaglineEmail + SMS for ecommerce.AI retention marketing platform for SMS, RCS, and email
Pricing modelFreemiumPaid
Starts atFreeFree
Founded2012—
AI-native
CategoriesEmail MarketingSMS & Push, Email Marketing, Automation
Vendor claimed

Quick take

Pick Klaviyo if you need email + sms for ecommerce. Pick Postscript if you need ai retention marketing platform for sms, rcs, and email.

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Klaviyo alternatives →

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Frequently asked

Is Klaviyo better than Postscript?
It depends on your use case. Klaviyo is email + sms for ecommerce, while Postscript is ai retention marketing platform for sms, rcs, and email. See the comparison above for which fits your team.
What's the price difference between Klaviyo and Postscript?
Klaviyo starts at Free. Postscript starts at Free.
Can I migrate from Klaviyo to Postscript?
Most tools in this category support data import via CSV. For complex migrations, both vendors offer onboarding assistance on higher-tier plans.