Postscript

Overview

Postscript focuses entirely on SMS marketing for ecommerce, primarily Shopify stores. The Starter plan costs nothing per month but requires a $49 minimum monthly spend on messages, making the entry point accessible for small stores. You get campaigns, automations, subscriber collection tools, and a dedicated toll-free number from day one. Postscript does not charge for incoming messages or failed deliveries, which protects your budget. The platform handles TCPA compliance through its product design so you do not need to manage legal requirements manually. A 30-day free trial includes $100 in message credits, letting you test campaigns and automations before committing. Brands using the platform report a 34x average ROI on SMS spend and a 22% lift in online revenue attributed to Postscript. Live chat and email support requires the $100/month Growth plan or higher.

Features

• Visual flow builder with pre-built automation templates for cart abandonment, welcome, upsell, and shipping
• Subscriber acquisition tools including popups, checkout collection, and onsite opt-in forms
• Advanced segmentation using Shopify data and third-party integrations
• Built-in TCPA compliance across all list growth tools and messaging features
• AI-powered Infinity Testing to run hundreds of message variants simultaneously

Best for

Postscript works best for Shopify store owners who want SMS to drive measurable revenue and are ready to spend at least $49 per month on messages. It fits brands that want a dedicated SMS tool rather than a feature bundled inside a broader marketing platform.