Searching for the ultimate guide to sms marketing? You just landed on the right page. In this comprehensive walkthrough, I’ll show you how to leverage sms marketing as a growth engine and why Postscript should be your go-to solution. Whether you’re a Shopify merchant or an ecommerce veteran, you’ll find actionable strategies, platform insights, and real-world tips to maximize your ROI and build stronger customer relationships.

Managing multiple channels can feel overwhelming, but when you master sms marketing, you tap into the most personal, high-engagement medium available. After years consulting top brands and testing dozens of tools, I’ve found Postscript stands out with its conversational AI, deep compliance expertise, and unbeatable list growth tactics. Ready to start? Try Postscript Free for 30 days Today and watch your sms revenue soar.

What is Postscript?

Postscript is a dedicated sms marketing and sales platform built exclusively for Shopify brands. It transforms simple text messages into a powerful revenue channel by combining personalized automation, AI-driven optimization, and compliance safeguards. Instead of juggling email, social ads, and chat, Postscript makes sms marketing your #1 revenue driver with deep ecommerce integrations and a focus on two-way conversational experiences.

Postscript Overview

Founded by a team of ecommerce veterans, Postscript set out to solve the complexities merchants face when launching sms marketing programs. From its humble beginnings in a small office to working with hundreds of leading Shopify stores, the company’s mission has remained constant: unlock the full potential of sms as a revenue channel.

Postscript’s journey has been marked by continuous innovation. They introduced a world-class Popup Editor for lightning-fast list growth, integrated generative AI to optimize campaigns in real time, and built a compliance framework that protects merchants from legal risks. Today, they’re recognized as the gold standard in sms marketing—trusted by top brands and backed by the Ecommerce Innovation Alliance.

Pros and Cons

Pro: Unmatched List Growth – Popup Editor, CashBack incentives, and Onsite Opt-In help brands grow their subscriber lists 3X faster than the industry average.

Pro: AI-Powered Optimization – Replace manual A/B tests with AI that explores hundreds of message variants and drives an average 20% revenue lift in top flows.

Pro: Deep Shopify Integration – Seamless checkout collection, Recharge compatibility, and rich historical customer data make segmentation and targeting precise.

Pro: Two-Way Conversational Flows – Flow Builder creates personalized one-to-one dialogues at scale, turning inquiries into conversions.

Pro: Industry-Leading Compliance – Built-in legal expertise and strategic partnerships ensure sms campaigns meet all regulatory standards.

Pro: Comprehensive Analytics – SMS-first dashboards and expert recommendations help refine strategy and maximize ROI.

Con: Learning Curve – With over 65 triggers and 85 filters, initial setup can be complex for newcomers to automation.

Con: Cost for High-Volume Brands – While pricing scales, very large lists with heavy send volumes may need the Professional or Enterprise plan to optimize per-message rates.

Features

Postscript delivers a suite of sms marketing features designed to accelerate growth and engagement. Below are the core capabilities that set it apart.

Rapid List Growth Tools

Build your sms subscriber base faster than ever with:

• Desktop & mobile popups customizable to match your brand.
• CashBack incentives to boost opt-in conversions.
• Onsite Opt-In banners for non-intrusive acquisition.

Checkout Collection

Capture subscribers right at purchase with integration on Shopify, Recharge, Carthook, and custom checkouts:

• Built-in form for checkout pages.
• Automatic tagging for segmentation based on purchase behavior.

Text-to-Join Keywords

Drive sms signups from any channel by creating and tracking unique keywords:

• Assign specific campaigns and revenue sources.
• Embed keywords in social, email, and offline materials.

AI-Driven Campaigns and Automations

Leverage Postscript AI to generate, test, and optimize message variants:

• Train the AI on your brand voice to ensure consistent tone.
• Drive a 20% average revenue increase on key flows.

Flow Builder

Scale personalized two-way conversations with:

• Drag-and-drop interface for building complex flows.
• In-flow analytics to compare message performance.
• Conditional branching based on subscriber replies or behaviors.

Advanced Segmentation

Target messages with surgical precision using:

• 45+ segmentation filters (Shopify data, SMS activity, area codes).
• 85+ trigger filters (order value, line item specifics, discount usage).

Compliance and Deliverability

Protect your brand and ensure messages land in inboxes:

• Legal expertise baked into the platform.
• Carrier compliance and best-practice monitoring.

Postscript Pricing

Postscript offers flexible plans to suit businesses of all sizes, with transparent sms and MMS rates.

Starter

Price: $0/mo* with $30 monthly minimum spend

Ideal for emerging brands that want to test sms marketing.

• $0.009/SMS, $0.045/MMS rates.
• Unlimited campaigns, automations, and segments.
• 2 opt-in keywords and subscriber acquisition tools.

Growth

Price: $100/mo

Perfect for growing businesses ready to scale.

• $0.008/SMS, $0.03/MMS rates.
• Unlimited keywords.
• Live chat and email support.

Professional (Most Popular)

Price: $500/mo

Designed for high-volume merchants seeking advanced features.

• $0.007/SMS, $0.024/MMS rates.
• Enhanced analytics and priority support.
• API access and custom integrations.

Enterprise

Price: Custom

Tailored for large enterprises needing bespoke solutions.

• Custom sms/MMS rates.
• Dedicated onboarding specialist and 2-minute response time.
• Data warehouse push and personalized product recommendations.

Postscript Is Best For

Postscript excels across various ecommerce contexts. Here’s who benefits most:

Shopify Startups

New merchants can quickly build their first sms list using popups and keywords, turning early visitors into repeat customers.

Established Retailers

Brands with existing traffic can leverage AI-driven automations to reduce churn, recover abandoned carts, and boost LTV.

Subscription Businesses

Recharge and custom checkout integration ensure seamless subscriber collection and triggered messages for renewals or failed payments.

Omnichannel Brands

Retailers with both online and offline presence can use QR codes on packaging and in-store signage to grow sms lists at every touchpoint.

Data-Driven Marketers

Teams that rely on analytics will appreciate real-time dashboards, custom attribution windows, and expert guidance on message performance.

Benefits of Using Postscript

Investing in a dedicated sms marketing platform unlocks high-value returns and deeper customer connections. Key advantages include:

• High Engagement Rates – SMS open rates often exceed 90%, meaning your promotions are seen almost instantly.
• Personalized Experiences – Advanced segmentation and AI ensure every message feels tailored to the individual.
• Rapid Revenue Impact – Brands see an average 34x ROI, turning simple texts into substantial sales.
• Compliance Confidence – Built-in legal safeguards protect you from fines and carrier blocks.
• Scalable Automation – From welcome series to back-in-stock alerts, flows handle communications automatically.
• Two-Way Conversations – Engage customers in real time, answer questions, and drive higher conversion rates.

Customer Support

Postscript’s support team is renowned for rapid response times and deep ecommerce expertise. Whether you’re troubleshooting integrations or fine-tuning automations, live chat and email channels ensure you’re never left waiting.

Growth and Professional plans include priority support, while Enterprise customers receive a dedicated launch specialist and 2-minute SLA during business hours. This level of service means technical hiccups don’t slow down your sms marketing initiatives.

External Reviews and Ratings

On Shopify’s App Store and major review sites, merchants regularly praise Postscript for its intuitive interface and impressive ROI. Users highlight how features like Flow Builder and AI optimization have driven 20–30% uplifts in sms revenue.

Some feedback notes a steeper learning curve when exploring advanced triggers and filters. Postscript addresses this with comprehensive onboarding resources, in-depth tutorials, and hands-on coaching for Enterprise clients.

Educational Resources and Community

Postscript offers an extensive library of blogs, webinars, and case studies focused exclusively on sms marketing best practices. Their weekly newsletter delivers insider tips on compliance updates, creative campaign ideas, and AI advancements.

The Postscript Community Slack and user forums provide peer-to-peer support. Merchants share flow templates, keyword strategies, and performance benchmarks—so you can learn from the successes (and mistakes) of other ecommerce brands.

Conclusion

Mastering sms marketing can transform your ecommerce revenue and customer loyalty—and Postscript provides the tools, AI, and expertise to make it happen. From rapid list growth to conversational flows, compliance to analytics, every aspect is fine-tuned to drive real results. Ready to see the impact for yourself? Midway through your strategy session, you can still take action: Try Postscript Free for 30 days Today and start turning texts into sales.

Try Postscript Free for 30 days Today