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Compare: Klaviyo vs Postscript
A side-by-side analysis to help you find the right tool.
Klaviyo
Top Pick
Freemium
($50–$200/mo)
Free tier (250 contacts)
View Details
Postscript
Freemium
(Under $50/mo)
Free 30-day trial (pay only for messages sent)
View Details
Key Differences
Budget Tier
Klaviyo
$50–$200/mo
Postscript
Under $50/mo
Free Trial
Klaviyo
Free tier (250 contacts)
Postscript
Free 30-day trial (pay only for messages sent)
Company Size Fit
Klaviyo
Solo / Freelancer, Small Team (2–20), Mid-Market (20–200), Enterprise (200+)
Postscript
Small Team (2–20), Mid-Market (20–200)
Business Type Fit
Klaviyo
B2C, D2C / E-commerce
Postscript
D2C / E-commerce
Best For
Klaviyo
E-commerce brands needing behavioral email and SMS marketing
Postscript
Shopify brands wanting a native, deeply integrated SMS platform
Pros
Klaviyo
(See full review in Email Marketing category). Unmatched e-commerce data integration
predictive CLV
the backbone of most modern DTC marketing stacks
Postscript
Shopify-exclusive focus means perfect data sync
lower barrier to entry than Attentive (no massive platform fees to start)
"Postscript Sales" allows real humans to close sales over text
Cons
Klaviyo
Expensive at scale
learning curve for advanced flows
Postscript
Shopify exclusive
SMS-only (requires pairing with Klaviyo for email, though the integration is great)
What They Share
