Searching for the ultimate guide to sms campaign? You just landed on the right page. If you want to turn text messages into a top-performing revenue channel, Try Postscript Free for 30 days Today and discover how easy it is to launch high-converting campaigns in minutes.

You’re likely juggling cart abandonment, limited audience growth, and compliance concerns. I’ve been there, and that’s why I rely on Postscript—trusted by hundreds of Shopify brands, backed by industry-leading Ecommerce Innovation Alliance expertise, and renowned for delivering an average 34× ROI. Ready to elevate your store’s revenue? Let’s dive in.

What is Postscript? (SMS Campaign Powerhouse)

Postscript is an SMS marketing platform built exclusively for ecommerce merchants using Shopify, Recharge, Carthook, and custom checkouts. It empowers brands to grow an engaged subscriber list, send personalized automations and campaigns, and convert conversations into real sales revenue. Unlike generic all-in-one tools, Postscript focuses solely on SMS, combining deep ecommerce know-how with conversational AI and compliance expertise to make text messaging your #1 revenue channel.

Postscript Overview for sms campaign Success

Founded by ecommerce veterans, Postscript launched with a mission to turn simple texts into meaningful customer interactions that drive repeat purchases and higher average order values. Over the years, it has scaled alongside Shopify’s ecosystem, adding advanced popups, AI-powered message testing, and rigorous compliance safeguards. Today, Postscript supports brands of all sizes—from fledgling boutiques to 8-figure retailers—helping them unlock new revenue streams through SMS.

The company’s milestones include achieving 3× faster list growth via its Popup Editor and Onsite Opt-In, driving an average 34× ROI on campaigns and automations, and pioneering the only conversational-first SMS platform that seamlessly integrates AI optimization.

Pros and Cons

Pro: Rapid Subscriber Growth—World-class popup tools, CashBack incentives, and onsite opt-ins help you build your list 3× faster than competitors.

Pro: AI-Driven Performance—Automatically test hundreds of message variants and optimize flows to deliver an average 20% lift in revenue.

Pro: Deep Ecommerce Expertise—A singular focus on SMS marketing ensures best-in-class features, compliance, and support.

Pro: Two-Way Conversations—Flow Builder and conversational automations let you engage customers in real time and drive personalized experiences.

Pro: Advanced Segmentation—Over 45 filters and 65+ trigger events allow hyper-targeted messaging for cart abandonment, restocks, price drops, and more.

Pro: Compliance Leadership—Built-in legal expertise protects you from costly TCPA lawsuits and ensures industry-standard best practices.

Con: Learning Curve—Brands new to SMS marketing may require onboarding support to master advanced flows and AI features.

Con: Pricing Complexity—While flexible, enterprise pricing can be custom-quoted and may require direct consultation for larger send volumes.

Features to Fuel Your sms campaign

Postscript’s feature set is tailor-made for ecommerce brands seeking scalable, high-ROI SMS campaigns. Here’s a closer look:

Faster List Growth Tools

• Desktop & mobile popups: fully customizable designs, incentive options, and trigger settings to capture subscribers without disrupting UX.
• Keywords: create text-to-join codes to track opt-in sources across paid channels, email, and social media.
• Checkout collection: seamless integration with Shopify, Shopify Plus, Recharge, and custom checkouts.
• Landing pages & QR codes: turn any touchpoint—email, social post, packaging—into a subscriber acquisition channel.
• Back in stock automation: capture high-intent prospects when products go out of stock, then trigger restock alerts.

AI-Powered Optimization

• Brand-trained copywriter: train AI on your voice, review checkpoints, and approve content before send.
• Automated A/B testing: explore thousands of variants and let AI optimize for top metrics.
• Proactive chat assistant: a customizable AI agent that engages subscribers in your brand voice, driving sales and reducing support load.

Two-Way Conversational Messaging

• Flow Builder: drag-and-drop visual editor for branching automations, follow-up rules, and in-flow analytics.
• Responses tab: machine-learning filters categorize sentiment and topics, forward to support tools (Gorgias, Zendesk, Slack).

Segmentation and Targeting

• 45+ user filters: historical Shopify data, SMS engagement, demographics, product categories, and more.
• 65+ triggers & 85+ filters: events like checkout started, order shipped, price drop, low inventory, and customer loyalty levels.

Compliance and Security

• Built-in TCPA safeguards: opt-in methods, double opt-in, time-stamp logging, and automated opt-out handling.
• Partnerships & standards: leadership within the Ecommerce Innovation Alliance ensures adherence to carrier and legal requirements.

Want to see these features in action? Try Postscript Free for 30 days Today and launch your next sms campaign with confidence.

Postscript Pricing for Every SMS Campaign Budget

Postscript offers tiered plans designed to scale with your needs, from startups to enterprise retailers.

Starter Plan

Price: $0/mo* + $30 monthly min spend
Ideal for new Shopify brands testing SMS campaigns
Highlights:

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

Growth Plan

Price: $100/mo
Suited for growing merchants hitting consistent SMS volumes
Highlights:

• Includes Starter features
• Unlimited keywords
• Live chat & email support

Professional Plan

Price: $500/mo
Most Popular—for midsize brands ready for advanced analytics
Highlights:

• Enhanced analytics dashboards
• Priority support
• API access & custom integrations

Enterprise Plan

Custom pricing
Tailored solutions for high-volume, global brands
Highlights:

• Launch specialist onboarding
• Personalized product recommendation messages
• Data warehouse push & 2-minute response times

Postscript Is Best For Different SMS Campaign Goals

Whether you’re just starting or scaling up, Postscript fits your sms campaign objectives.

Small and Emerging Shopify Brands

Get started with zero monthly fees, build your list fast, and test winning campaigns without breaking the bank.

High-Volume Retailers

Unlock enterprise-grade automations, priority support, and deep analytics to maximize ROI on hundreds of thousands of monthly sends.

Subscription Box Businesses

Use two-way conversational automations to reduce churn, remind subscribers of renewals, and drive upsells.

Brick-and-Mortar Retailers

Leverage QR codes, keywords, and in-store signage to convert foot traffic into SMS subscribers and boost repeat visits.

Benefits of Using Postscript in Your sms campaign

• Higher ROI: Average 34× return on investment from targeted campaigns and automations.
• Faster Growth: Acquisition tools to triple list-building speed, driving more revenue opportunities.
• Personalization at Scale: AI-driven copy and segmentation for hyper-relevant messaging.
• Reduced Churn: Two-way flows and back-in-stock alerts keep customers engaged and buying.
• Compliance Peace of Mind: Built-in legal safeguards protect your brand from costly lawsuits.
• Expert Support: Ecommerce strategy guidance from a team solely focused on SMS performance.

Customer Support

Postscript offers responsive support channels, including live chat, email, and dedicated onboarding specialists for enterprise customers. Regardless of your plan, you’ll have access to an extensive Help Center, documentation, and community forums to troubleshoot issues and learn best practices.

The support team is trained in both technical setup and SMS strategy, ensuring quick resolution of questions around integrations, flows, and compliance. Enterprise clients benefit from priority response times and personalized launch assistance to guarantee a seamless rollout.

External Reviews and Ratings

On Shopify’s app store and G2, Postscript consistently earns 4.8-5.0-star ratings for its ease of use, powerful automations, and outstanding ROI. Customers praise the intuitive Flow Builder, fast list growth, and AI optimization features that drove up to a 20% revenue lift on key automations.

A small number of users mention initial setup complexity with advanced triggers or custom API integrations. Postscript addresses these concerns by offering dedicated onboarding calls, step-by-step guides, and sample templates to flatten the learning curve.

Educational Resources and Community

Postscript maintains an active blog with tutorials, case studies, and SMS marketing best practices. Live webinars and on-demand training sessions cover topics like segmentation strategies, holiday campaign planning, and AI-powered testing. Brands can also join the Postscript Community Slack channel and user forums to share insights, ask questions, and discover proven tactics from fellow Shopify merchants.

Conclusion

By now, you’ve seen how Postscript transforms text messaging into a high-impact sms campaign channel—combining rapid list growth, AI optimization, two-way conversations, and top-notch compliance. If you’re ready to boost sales, deepen customer relationships, and hit new revenue milestones, Try Postscript Free for 30 days Today and experience the power of SMS marketing firsthand.

Try Postscript Free for 30 days Today