Searching for the ultimate guide to running a text campaign? You’ve landed on the right page. With direct access to shoppers’ most intimate channel, SMS can transform your ecommerce revenue overnight. Meet Postscript, the platform built exclusively for Shopify brands to scale personalized messaging and unlock SMS as your top revenue driver.

If you’ve ever wondered how to grow your subscriber list 3X faster or drive a 34x ROI on campaigns, you’re in good company. I’ve tested dozens of solutions, and Postscript’s compliance-first approach, AI-powered optimizations, and world-class acquisition tools make it the clear winner. Ready to give it a spin? Let’s dive in.

What is Postscript?

Postscript is SMS Marketing and Sales for Shopify Brands. It empowers merchants to grow their audience, create personalized messaging at scale, and make SMS their #1 revenue channel. Unlike all-in-one suites that spread resources thin, Postscript is “all in” on SMS—combining ecommerce expertise, conversational AI, and a compliance-first strategy to deliver real, measurable results.

Postscript Overview

Founded with the mission to unlock the full revenue potential of SMS, Postscript has helped thousands of Shopify merchants accelerate list growth and boost order values. The team’s deep legal expertise ensures compliance at every step, while AI-driven copy testing replaces traditional A/B tests to optimize campaigns faster than ever.

From its world-class Popup Editor and onsite opt-ins to back-in-stock automations and conversational AI shopping assistants, Postscript continuously innovates. Brands using Postscript see an average of 34x ROI and 20% revenue lift on high-value flows—proof that a dedicated SMS solution can outperform generic marketing tools.

Pros and Cons

Seamless Shopify Integration: Leverage real-time store data to trigger contextually relevant messages.

AI-Powered Optimization: Test hundreds of variants in minutes and boost revenue by 20% on key automations.

Rapid List Growth: Popup Editor, CashBack, and Onsite Opt-In tools deliver 3X faster subscriber acquisition.

Compliance-First Approach: Built-in legal safeguards protect merchants from lawsuits and carrier fines.

Conversational Focus: Two-way messaging with Flow Builder ensures personalized experiences at scale.

Advanced Segmentation & Triggers: Over 45 user filters and 65 automation events for pinpoint targeting.

Cons:

Limited multi-channel support beyond SMS/MMS—designed for merchants who want a specialized, not all-in-one, tool.

Learning curve for brands new to SMS compliance and conversational automations.

Features

Postscript packs every tool you need into one dedicated SMS platform:

Subscriber Acquisition

• Desktop & mobile popups with customizable incentives and timing.
• Text-to-join Keywords tracked across channels.
• Checkout collection on Shopify, Recharge, Carthook, and custom checkouts.
• Standalone landing pages, opt-in forms, and QR codes for in-person touchpoints.
• Back-in-stock automations to capture high-intent subscribers.

Segmentation & Automation

• 45+ segmentation filters including order history, area codes, and app data.
• 65+ automation triggers like cart abandonment, order updates, price drops, and more.
• 85 trigger filters and 45 user filters to tailor messages based on order details and subscriber attributes.

Postscript AI

• Trainable AI model that mirrors your brand voice.
• Automated variant testing driving 20% more revenue on priority flows.
• Conversational AI shopping assistant that engages subscribers directly.

Flow Builder & Responses

• Drag-and-drop flow editor for visual campaign and automation design.
• Two-way conversational flows with response-based branching.
• Machine-learning sentiment and topic filters to prioritize incoming texts.
• Seamless integration with Gorgias, Zendesk, Slack, and email forwarding.

Analytics & Reporting

• SMS-first dashboards tailored for Shopify merchants.
• Custom attribution windows and subscriber insights.
• Dedicated ecommerce experts to help refine your strategy.

Postscript Pricing

Whether you’re just starting out or scaling to enterprise levels, Postscript has a plan to match your needs. Explore each tier and choose the best fit on Postscript.

Starter

Price: $0/month (plus $30 SMS minimum spend)

Ideal for small shops testing SMS. Includes campaigns, automations, unlimited segments, toll-free number, popups, and 2 opt-in keywords.

Growth

Price: $100/month

Perfect for growing brands. All Starter features plus unlimited keywords and live chat/email support.

Professional

Price: $500/month

Most popular plan for mid-market teams. Includes Growth features, enhanced analytics, priority support, API access, and no “Powered by Postscript” on opt-ins.

Enterprise

Contact for custom pricing

Dedicated launch specialist, personalized recommendations, 2-minute response time, and data warehouse push.

Postscript Is Best For

Any Shopify merchant looking to make SMS their secret weapon.

Small & Niche Brands

Get started risk-free, build an engaged list quickly, and see ROI before scaling up.

Mid-Market & Growing Stores

Leverage advanced segmentation, AI copy optimization, and priority support to outpace competitors.

Agencies & Enterprises

Deliver enterprise-grade compliance, integration, and personalization for multiple clients under one roof.

Benefits of Using Postscript

• Rapid List Growth: Capture subscribers 3X faster with popups, keywords, and checkout opt-ins.
• Higher Revenue: 34x average ROI on campaigns and 20% lift on revenue-driving automations.
• Brand Safety: Compliance-first design prevents costly carrier violations.
• Personalized Experience: AI and segmentation create relevant messages at every touchpoint.
• Conversational Engagement: Two-way flows turn texts into real conversations and conversions.

Customer Support

Postscript’s support team is available via live chat and email, with priority response times for higher-tier plans. Whether you’re troubleshooting an automation or seeking best practices, expert assistance is always just a message away.

Dedicated onboarding specialists guide Enterprise clients through setup, ensuring every popup, trigger, and flow is optimized for maximum impact. Combined with extensive documentation and in-app tips, you’ll never feel left in the dark.

External Reviews and Ratings

Merchants rave about Postscript’s ease of use, ROI, and customer service. Many highlight the AI copy tests as a game-changer, praising the time saved and revenue gained. A few users note an initial learning curve around compliance requirements, but report that Postscript’s legal safeguards and tutorials quickly bring them up to speed.

Educational Resources and Community

Access an ever-growing library of blog posts, in-depth tutorials, webinars, and case studies on the Postscript website. Join the vibrant Shopify merchant community to swap strategies and learn from industry leaders driving SMS success.

Conclusion

SMS is no longer an afterthought—it’s a must-have revenue channel for any ecommerce brand. With its specialized focus, compliance-first framework, and AI-driven optimizations, Postscript makes launching and scaling a text campaign effortless. Ready to see for yourself? Try Postscript Free for 30 days Today and start turning conversations into conversions.