Searching for the ultimate guide to text message marketing? You’ve come to the right place. In this comprehensive resource, I’ll walk you through everything you need to know about leveraging SMS to boost engagement, loyalty, and sales for your ecommerce brand. Along the way, you’ll discover why Postscript stands out as the leading solution built specifically for Shopify merchants.

If you’ve ever wondered how to grow your audience 3X faster, personalize messages at scale, and turn conversations into revenue, you’re in good hands. Postscript has powered thousands of Shopify stores for years, delivering an average 34× ROI and earning praise from industry leaders. Ready to unlock SMS as your #1 revenue channel? Try Postscript Free for 30 days Today and see the impact for yourself.

What is Postscript?

Postscript is a dedicated text message marketing platform designed to help ecommerce brands sell more via SMS. Unlike all-in-one marketing suites, Postscript focuses solely on SMS and MMS, combining deep ecommerce expertise with conversational AI technology. It enables Shopify merchants to build engaged subscriber lists, craft personalized automations, and drive real revenue through targeted messaging. By integrating seamlessly with Shopify, Recharge, Carthook, and custom checkouts, Postscript transforms SMS into a top-performing channel that feels like a natural conversation.

At its core, Postscript provides everything you need to launch, manage, and optimize SMS campaigns: from world-class subscriber acquisition tools and advanced segmentation filters to AI-driven copy generation and analytics dashboards. Whether you’re recovering abandoned carts, announcing flash sales, or offering loyalty promotions, Postscript ensures every message lands at the right time, with the right content, for the right audience.

Postscript Overview

Postscript was founded in 2017 with a mission to make SMS marketing accessible and profitable for Shopify brands of all sizes. What started as a small team of ecommerce and messaging experts has grown into the industry leader, powering over 6,000 stores and helping merchants generate millions in additional revenue each year.

Over the past several years, Postscript has hit significant milestones: launching the world-class Popup Editor in 2018, introducing our AI-driven message optimization engine in 2021, and achieving compliance leadership through strategic partnerships and membership in the Ecommerce Innovation Alliance. Today, Postscript supports thousands of brands with an average ROI of 34× and is recognized by Shopify as an SMS partner of choice.

The company’s philosophy is simple: focus exclusively on SMS and ecommerce, invest in the best technology, and provide world-class support. That dedication shows in every feature, automation, and piece of guidance offered to merchants.

Pros and Cons

Pro: Deep Shopify integration ensures real-time access to order data, customer history, and subscription events for hyper-targeted messages.

Pro: Industry-leading list growth tools like desktop & mobile popups, onsite opt-in, QR codes, and cash-back offers to help you build subscribers 3× faster.

Pro: AI-powered message optimization replaces manual A/B testing, exploring hundreds of on-brand variants to boost revenue by an average of 20% on key automations.

Pro: Robust compliance engine and legal expertise protect merchants from costly SMS-related lawsuits and violations.

Pro: Visual Flow Builder with drag-and-drop interface makes creating complex, personalized automations simple and scalable.

Pro: Two-way conversational SMS, with machine learning filters for sentiment and topic, helps you manage inbound replies efficiently.

Pro: Analytics dashboards tailor-made for Shopify merchants provide actionable insights to refine messaging strategies and drive ROI.

Con: Specialized focus on SMS means you’ll need separate tools for email, social, or other channels if you require an all-in-one solution.

Con: Pricing can be higher than basic SMS platforms, but the ROI and depth of features justify the investment for growth-focused brands.

Con: Learning curve for advanced AI and segmentation features may require dedicated time or onboarding support for some teams.

Features

Postscript offers an extensive feature set tailored for Shopify merchants looking to master text message marketing:

Subscriber Acquisition Tools

Grow your list faster with a suite of customizable opt-in methods:

• Desktop & Mobile Popups: Design on-brand popups with targeted display rules to capture phone numbers and emails.
• Onsite Opt-In: Embed forms on product pages or landing pages to keep visitors engaged while collecting subscribers.
• QR Codes: Generate unique codes for packaging and signage, turning offline touchpoints into new SMS leads.
• CashBack Offers: Incentivize sign-ups with store credit or discounts, boosting acquisition and early conversions.

Keywords & Checkout Collection

Leverage text-to-join keywords and checkout integrations to capture high-intent subscribers:

• Keywords: Create and track opt-ins from various channels, measuring revenue per keyword.
• Checkout Collection: Integrate with Shopify, Recharge, Carthook, or custom checkouts to capture numbers right at purchase.

Segmentation & Targeting

Deliver the right message to the right person with granular audience filters:

• 45+ subscriber filters including purchase history, SMS activity, area code, and app data.
• 85+ trigger filters for automation events like order value, line items, discounts, or customer tags.

Postscript AI

Harness AI to streamline copy creation and campaign optimization:

• Brand Voice Training: Teach the AI your unique tone, review outputs, and refine continuously.
• Campaign Optimization: Automatically test thousands of message variants to maximize click-throughs and conversions.
• Shopping Assistant: A proactive AI agent that engages customers via SMS, answering product questions and guiding purchases.

Flow Builder & Campaigns

Scale personalized conversations and promotions with an intuitive drag-and-drop interface:

• Create branching automations for abandoned carts, welcome series, post-purchase flows, back-in-stock alerts, and more.
• Build one-off Campaigns—flash sales, holiday announcements, interactive quizzes—with AI-enhanced copy suggestions.

Responses & Analytics

Manage incoming texts and measure performance with ease:

• Responses: Filter inbound messages by sentiment (positive, negative, neutral) and topic (returns, questions, shipping).
• Analytics: SMS-first dashboards visualize subscriber growth, revenue, campaign performance, and ROI.

Postscript Pricing

Choose a plan that fits your SMS volume and growth goals. Each plan includes core features like subscriber acquisition, Flow Builder, automations, and analytics.

Starter

Price: $0/mo (+ $30 minimum spend)
Ideal For: New brands testing SMS marketing
Highlights:

• Unlimited campaigns, automations, and segments
• Dedicated toll-free number
• Subscriber acquisition tools with 2 opt-in keywords

Growth

Price: $100/mo
Ideal For: Growing stores scaling SMS efforts
Highlights:

• Everything in Starter
• Unlimited keywords
• Live chat & email support

Professional

Price: $500/mo
Ideal For: High-volume merchants and agencies
Highlights:

• Enhanced analytics & reporting
• Priority support
• API access for custom integrations

Enterprise

Price: Custom
Ideal For: Large enterprises with complex needs
Highlights:

• Dedicated launch specialist
• Personalized product recommendation messages
• 2-minute response time support & data warehouse push

Ready to supercharge your text message marketing? Try Postscript Free for 30 days Today and see why leading Shopify brands trust SMS as their top revenue channel.

Postscript Is Best For

No matter your stage or industry, Postscript caters to diverse audiences:

eCommerce Startups

Early-stage brands can rapidly build an SMS list using popups and keywords, turning first-time visitors into engaged subscribers and repeat customers.

Mid-Size Shopify Merchants

Growing stores benefit from advanced automations, AI message optimization, and deep segmentation to boost average order value and retention.

Agencies & Consultants

Agencies managing multiple clients appreciate the API access, white-label messaging, and robust analytics to deliver measurable SMS results.

Benefits of Using Postscript

• Rapid List Growth: Acquire 3× more subscribers with optimized popups, onsite opt-ins, and incentives.
• Increased Revenue: Drive an average 34× ROI and 20% lift on automated flows using AI-powered testing.
• Personalized Engagement: Leverage 45+ segmentation filters and real-time triggers for timely, relevant messages.
• Scalability: Visual Flow Builder and templates let you automate complex campaigns without coding or manual upkeep.
• Compliance Assurance: Built-in legal expertise and strategic partnerships protect against SMS regulations and fines.
• Data-Driven Insights: SMS-first analytics highlight actionable metrics, helping you refine strategy and maximize ROI.

Customer Support

Postscript’s support team is dedicated exclusively to SMS marketing, ensuring you get expert help when you need it. Support channels include live chat, email, and priority phone assistance on higher plans.

Whether you’re troubleshooting an integration, crafting a complex flow, or seeking strategic guidance, Postscript’s experts are available to answer your questions swiftly and thoroughly.

External Reviews and Ratings

Merchants frequently praise Postscript for its ease of use, powerful automations, and measurable ROI. On review platforms, Postscript holds a 4.8/5 average, with users highlighting the Popup Editor, Flow Builder, and AI features as standout strengths.

Some feedback notes a learning curve for advanced segmentation and AI settings. Postscript addresses this through onboarding specialists, extensive documentation, and proactive training webinars to ensure every merchant can fully harness the platform.

Educational Resources and Community

Postscript offers a wealth of learning materials: a regularly updated blog covering SMS strategy, best practices, and case studies; step-by-step tutorials in the Help Center; and monthly webinars led by SMS experts. You can also join the Postscript Community Slack channel to exchange ideas with fellow ecommerce marketers and get real-time advice from the Postscript team.

From video walkthroughs on campaign setup to deep dives on compliance and AI, Postscript’s educational resources empower you to continuously refine your text message marketing strategy and stay ahead of industry trends.

Conclusion

By now, you’ve seen how text message marketing can transform customer engagement and revenue for Shopify brands. Postscript’s dedicated focus on SMS, combined with AI-driven optimization, advanced segmentation, and best-in-class acquisition tools, makes it the go-to solution for merchants who want predictable, scalable results. Whether you’re just getting started or looking to supercharge your existing SMS efforts, Postscript has the features, expertise, and support to help you succeed.

Ready to take your SMS strategy to the next level? Try Postscript Free for 30 days Today and unlock the full revenue potential of text message marketing.