Are you ready to supercharge your sms marketing and unlock an industry-leading 34x ROI? With Postscript’s conversational SMS platform, you can grow your subscriber list faster than ever, send personalized messages at scale, and turn every text thread into a revenue channel. Try Postscript Free for 30 days Today and see how simple it is to make SMS your #1 driver of ecommerce sales.

In today’s competitive landscape, reaching customers in real time is essential. Traditional channels like email are getting crowded—and often ignored. SMS marketing cuts through the noise with direct, two-way conversations that boost engagement, customer loyalty, and repeat purchases. In this guide, we’ll explore why Postscript is the top choice for Shopify merchants, break down its features, pricing, pros and cons, and show you how to launch your first campaign in minutes.

What is Postscript?

Postscript is an SMS marketing and sales platform built exclusively for Shopify brands. It lets you collect phone numbers via pop-ups, checkout opt-ins, keywords, landing pages, and QR codes, then send targeted campaigns and automated flows that drive real revenue. Unlike one-size-fits-all tools, Postscript focuses solely on SMS, combining ecommerce expertise with conversational AI to deliver hyper-personalized experiences.

Postscript Overview

Founded by ecommerce veterans, Postscript set out to make SMS simpler, smarter, and more compliant. Over the past few years, it has grown into the gold standard in text-to-sell technology, serving hundreds of Shopify merchants from emerging DTC brands to global enterprises. With a mission to transform SMS into a conversational-first revenue channel, Postscript continually invests in AI, automation, and compliance to keep customers ahead of the curve.

Today, Postscript powers billions of texts annually, supports world-class list-growth tools, and maintains deep partnerships with carriers and legal advisors—ensuring your brand stays compliant and profitable as you scale.

Pros and Cons

Pros:

• Average 34x ROI on campaigns and automations
• Rapid list growth with pop-ups, keywords, and onsite opt-in
• Conversational AI that adapts to your brand voice
• Over 65 automation triggers and 45+ segmentation filters
• Built-in compliance safeguards to avoid legal pitfalls
• Intuitive Flow Builder for two-way messaging at scale

Cons:

• Carrier fees and minimum spends apply on Starter plan
• Advanced features require Growth or Professional plans

Key Features of Postscript

Conversational AI Messaging

Postscript AI analyzes thousands of message variants to optimize engagement and revenue. Train the model on your brand voice, review drafts, and watch it drive a 20% lift in your highest-ROI flows.

• Customizable AI shopping assistant
• Automatic copy testing and optimization
• Brand-voice consistency checkpoints

Rapid List Growth Tools

Build your SMS subscriber list faster than anywhere else with a suite of acquisition tools.

• Desktop & mobile pop-ups with customizable incentives
• Text-to-join keywords for offline and online campaigns
• Checkout collection on Shopify, Recharge, Carthook, and custom checkouts
• QR codes and standalone landing pages for on-the-go signups

Advanced Segmentation & Targeting

Send the right message, to the right person, at the right time by leveraging deep data filters and trigger events.

• 45+ segmentation filters including purchase history and geography
• 65+ automation triggers like abandoned cart or back-in-stock alerts
• 85+ trigger filters for specific line items, order values, and more

Flow Builder for Two-Way Conversations

Create one-to-one experiences at scale with an intuitive drag-and-drop interface.

• Conditional branching based on subscriber replies or behaviors
• In-flow analytics to compare message performance side by side
• Automations for welcome series, cart recovery, post-purchase follow-ups, and loyalty offers

Built-In Compliance Safeguards

Stay protected with industry-leading compliance features and legal guidance.

• Default compliance templates and opt-in requirements
• Regular updates aligned with carrier and TCPA regulations
• Ecommerce Innovation Alliance membership for policy advocacy

Postscript Pricing

Postscript offers flexible plans to fit every stage of growth. Carrier fees are additional and average just $0.0033 per SMS in the US.

Starter Plan

Price: $0/mo (min. spend $30). Ideal for new stores testing SMS. Includes campaigns, automations, unlimited segments, a toll-free number, and 2 keywords.

Growth Plan

Price: $100/mo. Perfect for scaling brands ready for unlimited keywords and prioritized support via live chat and email.

Professional Plan

Price: $500/mo. Most popular. Adds enhanced analytics, API access, and removal of “Powered by Postscript” from opt-ins.

Enterprise Plan

Custom pricing. Designed for high-volume merchants needing dedicated onboarding specialists, data-warehouse push, and sub-2-minute support SLAs.

Who Should Use Postscript

Whether you’re a new DTC brand or a global powerhouse, Postscript adapts to your needs and budget.

Ecommerce Merchants

Drive revenue with targeted flows that recover carts, announce restocks, and reward loyal shoppers.

Direct-to-Consumer Brands

Engage audiences with personalized offers and two-way Q&A, building relationships that email alone can’t match.

Small and Mid-Sized Stores

Leverage turnkey pop-ups and automation templates to punch above your weight and compete with larger players.

Larger Enterprises

Scale with advanced segmentation, custom integrations, and dedicated launch specialists to maximize ROI.

Benefits of Using Postscript

• Higher ROI: Average 34x return on your SMS spend.
• Faster List Growth: Grow subscribers 3X faster with world-class pop-ups and onsite opt-in.
• Personalization at Scale: AI-driven copy and deep segmentation deliver relevant messages every time.
• Hands-Off Automation: Set up flows once and let Postscript handle triggers from cart abandonment to loyalty rewards.
• Built-In Compliance: Rest easy knowing your campaigns meet carrier and legal standards.
• Dedicated Support: Responsive team available via live chat, email, or your preferred help-desk integration.

Customer Support

Postscript’s support team is known for rapid response times and deep SMS expertise. Whether you’re troubleshooting a flow or brainstorming segmentation strategies, you’ll connect with specialists who understand ecommerce and SMS compliance inside and out.

Support is available via live chat, email, and integrations with popular help-desk tools like Gorgias and Zendesk. Enterprise clients enjoy a dedicated onboarding launch specialist and priority live chat response under two minutes during business hours.

External Reviews and Ratings

Merchants rave about Postscript’s ease of use and the impact on their bottom line. Many highlight how the Flow Builder transformed their ability to run personalized campaigns without coding. The AI-driven copywriting feature also earns praise for boosting click-through rates by up to 20% on key flows.

Some users note that carrier fees and minimum spends can be a hurdle for very small businesses. However, Postscript addresses these concerns with transparent pricing, usage-level recommendations, and support to optimize message volume for maximum ROI.

Educational Resources and Community

Postscript maintains a robust blog, regular webinars, and video tutorials to help merchants master SMS marketing. From beginner guides on list building to advanced tactics for segmentation and AI optimization, you’ll find actionable insights at every step.

The Postscript community forum and private Slack channels connect you with other Shopify brands, allowing you to exchange tips, preview new features, and stay current on compliance updates and carrier requirements.

Conclusion

SMS marketing is no longer optional—it’s a must for ecommerce brands aiming to drive real revenue and deepen customer relationships. Postscript delivers the tools, automation, and AI you need to unlock a 34x ROI. Ready to transform your text messages into profit? Try Postscript Free for 30 days Today and experience the power of conversational SMS marketing.

Try Postscript Free for 30 days Today and turn every text into your highest-performing revenue channel.