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 …

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

Using Postscript Learn about your Postscript account like how to navigate the app, how to mange your billing, and even how to get your account set up. Learn more

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.

Dec 16, 2025 · Postscript offers the choice of four plans which we'll dive into below. Each plan gives shops access to a specific set of features and functionality within the Postscript platform.

Earn points via Postscript programming to spend at a wellbeing marketplace. You choose the rewards (everything from company swag, exercise, student loan payment, groceries, travel and more!)

“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 …

It allows you to train the AI models across all Postscript AI products. Input your brand preferences, add important references like FAQs, and preview inspiration copy.

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.

The cost on your invoice is defined by carriers and Postscript lists that exact amount on your invoice without any additional markup. You can learn more about carrier fees here.