Postscript ensures every campaign and automation performs at its peak, driving an average 34x ROI. Replace traditional A/B tests with AI technology and test hundreds of on-brand message variants in a …

“Postscript doesn’t think about just marketing aspects—they also put the customer experience towards the forefront of what they’re building. They’ve helped us build the raddest SMS engagement …

Eligible Shops are those that installed 90 days prior to Black Friday (2025-11-28) and spent at least $100 on Postscript Marketing in Q3 2025 SLTV + ARMR Benchmarks are averages at a merchant …

Postscript empowers Shopify brands with SMS marketing tools to enhance customer engagement and drive sales.

This shows in many ways, like responding to customers at all hours, selling fairly and honestly, and in how we've built the Postscript product. We have 5 core values that we work by at Postscript …

It's time to grow your Shopify revenue. Install the Postscript app on your Shopify store and jump-start your text message marketing!

From opt-in to order, get everything you need to make SMS your #1 revenue channel—all under one roof. See why thousands of top Shopify brands trust Postscript.

Sync Postscript with your help desk, email marketing provider, popup builder, review platform, and more. For more advanced capabilities and use cases, learn about the Postscript API.

Try Postscript. The #1 SMS Platform for Shopify Brands

Feb 2, 2026 · Over the past two months, we’ve shipped a wide range of updates across Postscript, designed to help brands personalize offers, protect margins, improve onsite experiences, and gain …