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Postscript

Marketing

SMS marketing platform built exclusively for Shopify — AI flows, campaigns, and subscriber-level personalization.

Overview

Postscript is Shopify-native SMS. It installs in minutes from the Shopify App Store, syncs customer and product data automatically, and makes it easy to launch campaigns (flash sales) and flows (welcome series, cart recovery, post-purchase). Its AI now writes copy, predicts best send times, and personalizes offers per subscriber. Competes directly with Attentive but at Shopify-friendly pricing.

Pros & Cons

Pros

  • Native Shopify integration
  • Quick setup
  • Pricing friendlier than Attentive
  • Strong AI flows

Cons

  • Shopify-only
  • Minimum monthly fee
  • SMS costs on top