When it comes to sms marketing that drives real growth, nothing beats the intuitive power of Postscript. With over 1,500 Shopify brands trusting its conversational-first approach, Postscript has redefined how merchants build audiences, personalize messages at scale, and convert subscribers into loyal buyers using text. In this guide, you’ll discover how to leverage each feature, overcome common challenges, and unlock the full potential of SMS as your top revenue channel. Ready to transform your ecommerce sales? Try Postscript Free for 30 days Today.

What is Postscript?

Postscript is an SMS marketing and sales platform built exclusively for Shopify brands. It enables merchants to grow their subscriber lists faster than anywhere else, send personalized messages triggered by real-time events, and measure ROI with AI-driven analytics. As the only SMS provider focused solely on ecommerce, Postscript empowers you to make text messaging your #1 revenue channel.

Postscript Overview

Founded in 2017 by a team of ecommerce veterans, Postscript set out to solve one of online retail’s biggest pain points: engaging customers beyond email. Early adopters saw list growth rates jump 3X within weeks thanks to native Shopify integrations and world-class popup tools.

By 2020, Postscript had secured $20 million in Series A funding, expanded its compliance framework with strategic legal partnerships, and joined forces with the Ecommerce Innovation Alliance to champion common-sense policies. Today, Postscript supports thousands of stores worldwide, delivering an average 34× ROI on SMS campaigns and automations.

Pros and Cons

Pros:

• Faster list growth: Industry-leading popups, on-site opt-ins, and keywords drive subscriber counts up to 3X faster.
• AI-powered optimization: Automatically test hundreds of message variants for a 20% boost in flow revenue.
• Deep ecommerce expertise: A dedicated SMS team ensures best-in-class strategy, not just software.
• Compliance-first: Built-in legal safeguards protect you from costly SMS violations.
• Two-way conversations: Flow Builder scales personalized replies for every subscriber interaction.
• Rich analytics: SMS-first dashboards reveal actionable insights to refine your approach.

Cons:

• Price scales with subscriber count, which can be high for very large lists.
• Steep learning curve for brands unfamiliar with advanced segmentation and automation.
• No email marketing—SMS is the sole focus, requiring a separate tool for omnichannel campaigns.

Features

Postscript’s robust feature set covers every stage of the subscriber journey, from acquisition to analytics. Below are the primary capabilities that make it the go-to choice for sms marketing excellence.

1. List Growth Tools

Rapidly expand your SMS subscriber base with:

• Desktop & Mobile Popups: Customize designs, incentives, and display timing to capture signups without disrupting UX.
• Checkout Collection: Integrate natively with Shopify, Recharge, or custom checkouts to catch high-intent subscribers during purchase.
• QR Codes & Landing Pages: Turn in-person and digital touchpoints into automated opt-ins.
• Back in Stock Automation: Capture shoppers interested in sold-out variants via on-site banners and email links.

2. Segmentation & Targeting

Create hyper-relevant audiences by combining:

• Over 45 subscriber filters (past orders, region, SMS activity, referral source).
• 85 trigger filters (item-level details, subtotal thresholds, discount usage).
• Custom attributes from integrated apps for pinpoint personalization.

3. AI-Powered Optimization

Leverage Postscript AI to boost engagement and revenue:

• Brand Voice Training: Train the model on your tone, with checkpoints to review generated copy.
• Variant Testing: Explore thousands of message permutations and optimize flows for a 20% average revenue lift.
• Proactive Shopping Assistant: Deploy a text-based AI that guides subscribers through product discovery and checkout.

4. Flow Builder

Build multi-step, two-way conversation flows with drag-and-drop ease:

• Branch replies based on subscriber responses or behaviors.
• Visualize sequence logic and performance with in-flow analytics.
• Combine real-time triggers (checkout started, order shipped, price drop) to send timely follow-ups.

5. Automated Campaigns

Automate key messages at scale:

• Welcome series, abandoned cart reminders, post-purchase offers.
• Loyalty program promos, review requests, subscription renewals.
• Holiday blasts, flash sales, interactive quizzes—all driven by Postscript AI.

6. Two-Way Responses & Support

Manage inbound texts like a pro:

• ML-driven filters prioritize by sentiment (positive, neutral, negative) and topic (shipping, returns, questions).
• Forward critical chats to Slack, email, or help desk integrations (Gorgias, Zendesk).
• Set auto-replies or route high-value inquiries to your team.

7. Analytics & Reporting

Gain SMS-first insights to refine your strategy:

• ROI dashboards showing revenue per campaign and automation.
• Subscriber growth curves and churn metrics.
• Variant performance heatmaps from AI-driven tests.

Midway through your SMS journey, you’ll see why thousands of brands choose Postscript as their secret weapon. Try Postscript Free for 30 days Today and experience the difference.

Postscript Pricing

Postscript offers flexible plans that scale as your list and revenue grow.

Starter

Price: Free trial for 30 days, then $29/month + usage fees

Ideal for new stores just beginning SMS:

• Up to 1,000 subscribers.
• Basic popups and checkout collection.
• Standard automations (welcome, abandoned cart).

Growth

Price: $99/month + usage fees

Perfect for scaling ecommerce brands:

• Up to 10,000 subscribers.
• AI-driven campaign optimization.
• Advanced segmentation and multi-step flows.

Enterprise

Custom pricing

Designed for high-volume merchants:

• Unlimited subscribers and messages.
• Dedicated account management.
• Priority compliance support and SLA.

Postscript Is Best For

Whether you’re just starting or leading your category, Postscript adapts to your needs.

Small & Emerging Brands

Capture first-party data quickly, nurture early adopters via targeted promos, and build brand loyalty with minimal setup.

Established Ecommerce Retailers

Leverage AI-driven optimization and deep segmentation to refine campaigns, recover high-value carts, and maximize LTV.

Subscription & Replenishment Services

Automate renewal reminders, back-in-stock alerts, and personalized upsells that reduce churn and boost recurring revenue.

Benefits of Using Postscript

• Rapid ROI: Achieve an average 34× return on SMS spend within the first quarter.
• List Growth Velocity: Grow subscriber lists up to 3× faster with optimized popups and onsite opt-ins.
• Personalized Engagement: Send the right message to the right person at the right time using 65+ triggers.
• AI Efficiency: Automate copywriting, A/B testing, and targeting for a 20% revenue boost on top flows.
• Compliance Assurance: Built-in legal safeguards keep you protected from TCPA and GDPR violations.
• Scalable Conversations: Two-way flow builder scales one-to-one interactions—without manual work.
• Data-Driven Decisions: Actionable analytics spotlight top-performing campaigns and subscriber trends.
• Seamless Integrations: Sync rich Shopify data and third-party app events to power contextual automations.
• Dedicated Support: Access SMS experts who guide strategy, setup, and ongoing optimizations.
• High Deliverability: Carrier relationships ensure your messages reach inboxes on time, every time.

Customer Support

Postscript’s support team is available via live chat, email, and phone during business hours. Response times average under one hour for critical issues, and under six hours for general inquiries. Whether you need help designing a popup or troubleshooting an automation, our SMS specialists are ready to assist.

Enterprise customers receive a dedicated account manager and priority SLAs, ensuring that your campaigns stay live and compliant. Postscript also offers onboarding workshops, strategy reviews, and quarterly business reviews to keep your SMS program on track.

External Reviews and Ratings

Across Shopify App Store and G2, Postscript holds an average rating of 4.7/5 based on 450+ reviews. Merchants rave about the platform’s ease of use, robust analytics, and rapid ROI. “We recovered $50K in abandoned cart revenue within the first month,” one brand reported. “The AI copy suggestions cut our testing time in half,” noted another.

Some users mention a learning curve when setting up advanced segmentation or custom triggers. Postscript addresses this with a growing library of tutorials, personalized onboarding calls, and a responsive support team that guides merchants step by step.

Educational Resources and Community

Postscript maintains a comprehensive blog covering SMS strategy, copywriting best practices, and case studies from leading Shopify brands. Regular webinars and on-demand workshops dive deep into topics like compliance, AI optimization, and flow design. For peer support, the Postscript Community Forum connects merchants to share templates, ask questions, and swap success stories.

Conclusion

In the competitive world of ecommerce, sms marketing offers unparalleled engagement and revenue uplift when executed correctly. From rapid list growth and AI-driven optimization to two-way conversational flows and detailed analytics, Postscript provides everything you need to turn text messages into your top-performing channel. Ready to see how it works? Try Postscript Free for 30 days Today.

Don’t miss out—Try Postscript Free for 30 days Today and watch your SMS revenue skyrocket.