Searching for the ultimate guide to sms marketing? You just landed on the right page. I’ve spent years helping Shopify brands unlock the power of conversational text messaging, and today I’m diving into why Postscript is the tool you need to turn every subscriber into a loyal, repeat customer. Ready to transform your revenue? Try Postscript Free for 30 days Today and see the difference conversational SMS can make.

You know how challenging it can be to cut through the noise with email and social ads. That’s where SMS steps in—and where Postscript shines. With deep ecommerce expertise, world-class compliance, and AI-driven insights, Postscript helps you grow your list faster, send the right message at the right time, and drive an average 34× ROI. Let’s explore how this platform powers your sms marketing efforts from acquisition to conversation to conversion.

What is Postscript?

Postscript is a dedicated SMS marketing and sales platform built exclusively for Shopify brands. It enables merchants to build engaged subscriber lists, create personalized one-to-one conversations at scale, and transform SMS into a top revenue channel. Postscript combines ecommerce expertise, compliance leadership, and AI technology to deliver faster list growth, higher click-through rates, and clear revenue impact.

Postscript Overview

Founded with a mission to make SMS the most effective channel for ecommerce merchants, Postscript has rapidly grown into the gold standard for conversational text marketing. Backed by industry veterans, the team has helped hundreds of Shopify brands—ranging from emerging startups to household names—generate millions of dollars in SMS-driven sales. Key milestones include:

• Launching the first Popup Editor optimized for SMS list growth.
• Achieving an average 34× ROI across all campaigns and automations.
• Building compliance partnerships with the Ecommerce Innovation Alliance.
• Introducing Postscript AI to automate and optimize thousands of message variants.

Today, Postscript is trusted by brands that demand a channel-first solution focused purely on SMS marketing success.

Pros and Cons

Pros:

1. Faster list growth: Grow 3× faster with customizable popups, onsite opt-ins, and checkout collection tools.

2. High ROI: Average 34× return on investment thanks to AI-powered testing and optimization.

3. Deep compliance expertise: Minimize legal risk with built-in, industry-leading compliance measures.

4. Conversational AI: Train AI on your brand voice to create personalized flows that drive 20%+ revenue lifts.

5. Two-way messaging: Scale one-to-one conversations with Flow Builder’s drag-and-drop interface.

6. Advanced analytics: SMS-first dashboards paired with expert guidance to refine strategy continuously.

Cons:

1. Learning curve: New users may need time to master segmentation and trigger filters.

2. Carrier fees: Additional US carrier fees apply ($0.0033/SMS, $0.00799/MMS), though rates are competitive overall.

Features

Postscript offers a comprehensive feature set designed to power every stage of your sms marketing strategy. Below are the core capabilities that set it apart.

Subscriber Acquisition Tools

Build a compliant, engaged SMS list with multiple opt-in methods:

• Desktop & mobile popups: Fully customizable designs, display rules, and incentive options.
• Keywords: Text-to-join keywords track opt-ins and revenue by source.
• Checkout collection: Capture numbers on Shopify, Recharge, Carthook, and custom checkouts.
• Landing pages & forms: Standalone pages with SMS opt-in that integrate with email and social channels.
• QR codes: Turn packaging and signage into powerful acquisition touchpoints.
• Back in stock notifications: Capture high-intent subscribers for sold-out items.

Segmentation & Automation

Send the right message at the right time with granular targeting:

• Segments: Over 45 filters including historical Shopify data, SMS activity, app integrations, and demographics.
• Automation triggers: 65+ events such as cart abandonment, order shipped, low inventory, and price drops.
• Trigger & user filters: Fine-tune messages based on line items, order value, subscriber attributes, and geographic data.

Postscript AI

Leverage AI to boost performance and personalize at scale:

• Brand voice training: Customize AI to match your unique tone.
• Variant testing: Explore thousands of message variants to optimize for highest ROI flows (+20% average lift).
• AI shopping assistant: Engage subscribers proactively with automated, brand-voice interactions.

Flow Builder

Visualize and manage complex campaigns with a drag-and-drop interface:

• Create conditional flows based on replies or behaviors.
• Compare message performance with in-flow analytics.
• Design anything from flash sales and holiday promotions to educational, interactive experiences.

Responses & Analytics

Manage conversations and measure impact:

• Sentiment & topic filtering: Prioritize positive, negative, and neutral replies by category.
• Integrations: Forward replies to Slack, email, or help desks like Gorgias and Zendesk.
• Analytics dashboards: SMS-first reporting co-created with top Shopify brands to surface actionable insights.

Postscript Pricing

Whether you’re just starting out or need enterprise-level customization, Postscript has a plan for you:

Starter

Price: $0/mo* + $30 monthly spend

Ideal for new merchants testing SMS marketing. Includes campaigns, automations, unlimited segments, a toll-free number, subscriber tools, and Branded short link subdomain.

Growth

Price: $100/mo

Best for growing brands. Includes unlimited opt-in keywords, live chat support, and all Starter features.

Professional

Price: $500/mo

Most popular for scaling merchants. Adds enhanced analytics, priority support, API access, and removal of “Powered by Postscript” from opt-ins.

Enterprise

Contact for custom pricing

Large operations get an onboarding launch specialist, personalized product recommendations, 2-minute support response, and data warehouse push.

Ready to supercharge your sms marketing? Midway through your evaluation, you can Try Postscript Free for 30 days Today and experience world-class SMS revenue growth.

Postscript Is Best For

From startups to enterprises, Postscript scales with your needs.

New Shopify Brands

Leverage free tools and low monthly spend to kickstart your list growth and revenue generation without high upfront costs.

Growing DTC Merchants

Use advanced automation triggers and segmentation to nurture leads, recover abandoned carts, and drive repeat purchases.

Large Ecommerce Enterprises

Tap into AI-driven personalization, custom integrations, and dedicated support to handle high volumes and complex workflows.

Benefits of Using Postscript

• Higher Engagement: Two-way conversational flows that feel personal and drive clicks.
• Rapid List Expansion: 3× faster growth with popups, forms, and checkout collection tools.
• Improved Conversions: AI-optimized campaigns and automations with a proven 34× ROI.
• Compliance Assurance: Built-in legal safeguards to protect against costly fines.
• Actionable Insights: SMS-first analytics dashboards designed for ecommerce performance.
• Scalable Personalization: Train AI on your brand voice and test thousands of message variants.

Customer Support

Postscript’s support team is renowned for responsiveness and expertise. Available via live chat and email, they guide you through setup, troubleshooting, and strategy optimization. Professional and Enterprise customers receive priority support with guaranteed response times.

Whether you’re customizing API integrations or refining segmentation, you’ll have direct access to SMS specialists who understand the unique challenges of ecommerce merchants. From best-practice recommendations to compliance questions, they’ve got you covered.

External Reviews and Ratings

Across review platforms, merchants consistently praise Postscript for its intuitive Flow Builder and exceptional ROI. Many highlight the speed of list growth and the ease of setting up two-way automations. Some users note a learning curve with advanced filters, but agree that thorough documentation and responsive support make mastery achievable.

Educational Resources and Community

Postscript offers a rich library of blogs, tutorials, and webinars focused on SMS marketing strategy and best practices. The official community forum connects you with other Shopify merchants, while regular webinars dive into topics like segmentation tactics, AI copywriting, and compliance updates. You’ll never run out of ideas for your next campaign.

Conclusion

SMS marketing is no longer optional—it’s essential for ecommerce brands looking to cut through the clutter and drive real revenue. With Postscript’s dedicated focus, compliance leadership, and AI-powered capabilities, you can build your list faster, automate personalized conversations, and achieve an average 34× ROI. Ready to make SMS your #1 channel? Try Postscript Free for 30 days Today. Take the first step toward turning conversations into conversions.