SellAI

Klaviyo vs Postscript

The short answer

Postscript edges out Klaviyo overall (rated 4.6 vs 4.5). Choose Postscript if you want the higher-rated all-rounder; pick Klaviyo if shopify stores is your priority.

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KlaviyoPostscript
Rating4.54.6
Pricingfreemiumfreemium
Starting priceFree up to 250 contactsFree + usage-based
Best forShopify storesShopify stores
PlatformsShopify, WooCommerce, BigCommerce, MagentoShopify
Visit KlaviyoVisit Postscript

Klaviyo

Klaviyo is an email and SMS marketing platform built specifically for ecommerce, with deep Shopify integration. Its AI features draft subject lines and copy, predict customer lifetime value and optimal send times, and power segmentation for flows like abandoned cart and win-back.

Full Klaviyo review →

Postscript

Postscript is a dedicated SMS marketing platform for Shopify stores. It handles compliance, subscriber growth and automated text flows, with AI features that draft messages and an AI sales agent that replies to subscribers to drive conversions.

Full Postscript review →