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What Is Postscript?

Postscript is an SMS marketing and sales platform built exclusively for Shopify brands. Designed to turn mobile numbers into meaningful revenue channels, Postscript empowers merchants to grow their audience, send personalized messages at scale, and drive tangible sales results. From automated abandoned-cart reminders to two-way conversational flows, this tool transforms one-way texting into a dynamic, revenue-focused channel.

Key use-cases include:

• Acquiring subscribers through branded pop-ups, QR codes, and checkout prompts
• Driving repeat purchases with targeted flows like back-in-stock alerts and loyalty offers
• Increasing average order value via flash sale announcements and personalized upsells
• Maintaining compliance with industry regulations to avoid costly fines

Features

Postscript brings together a suite of features centered on audience growth, automation, AI optimization, and compliance—everything you need to make SMS your top-performing channel.

Rapid Subscriber Growth Tools

Grow your SMS list faster than ever with omnichannel opt-in methods.

• Desktop & mobile pop-ups: Customize incentivized pop-ups to match your brand and capture phone numbers without interrupting user experience.
• Onsite Opt-In: Embed seamless sign-up widgets directly on product pages or homepages to boost conversion rates.
• Checkout Collection: Automatically invite shoppers to subscribe during checkout on Shopify, Recharge, Carthook, or any integrated custom gateway.

Comprehensive Acquisition Channels

Turn every touchpoint—online and offline—into a subscriber acquisition opportunity.

• Text-to-Join Keywords: Share shortcodes across social, email, and in-store displays. Track opt-ins and attribute revenue to each campaign.
• Landing Pages & Opt-In Forms: Launch standalone sign-up pages you can embed anywhere, from email campaigns to social bios.
• QR Codes: Generate unique codes for packaging or POS materials so foot-traffic becomes loyal subscribers.
• Back in Stock Alerts: Trigger automatic prompts on sold-out products, capturing high-intent subscribers the moment inventory returns.

Segmentation & Automation

Create highly contextual communications by targeting subscribers based on behavior, purchase history, and real-time triggers.

• 45+ Segmentation Filters: Leverage Shopify order data, SMS engagement metrics, geographic info, and more to refine your audience.
• 65+ Automation Triggers: From “order created” to “keyword reply,” fire messages at any point along the customer journey.
• 85+ Trigger Filters & 45+ User Filters: Drill down by cart value, discount applied, product category, number of orders, and beyond.

Flow Builder & Two-Way Messaging

Scale personalized conversations with an intuitive drag-and-drop interface.

• Flow Builder: Design multi-step campaigns that branch based on subscriber replies or actions. Visualize and optimize each pathway.
• Responses Tab: Manage inbound texts, filter by sentiment or topic, and forward to your support team or help-desk integrations like Gorgias and Zendesk.

AI-Driven Campaign Optimization

Replace manual A/B tests with AI that iterates hundreds of message variants in minutes.

• Brand-Voice Training: Teach the AI your unique tone, review copy suggestions, and ensure on-brand messaging.
• Automated Variant Testing: Explore thousands of subject lines and content variations to boost click rates.
• Proactive Shopping Assistant: Deploy an AI agent that engages subscribers in conversational shopping experiences via SMS.

Industry-Leading Compliance

Built-in safeguards and legal expertise protect you from TCPA violations and other regulatory pitfalls.

• Automated Opt-In Validation: Confirm subscriber consent and enforce mandatory opt-out language.
• Expert Partnerships: Collaborations with ecommerce policy groups ensure your campaigns adhere to the latest standards.

Pricing

Postscript offers tiered plans to suit businesses at every stage, from lean startups to rapidly scaling brands. Here’s a breakdown:

Launch Plan

• Ideal for: New Shopify merchants testing SMS marketing
• Price: $19/month + 1.5% of monthly SMS revenue
• Includes: Up to 500 subscribers, basic pop-ups, standard automations, entry-level analytics

Core Plan

• Ideal for: Growing brands with a moderate subscriber base
• Price: $99/month + 1.5% of monthly SMS revenue
• Includes: Up to 5,000 subscribers, advanced segmentation, AI variant testing, priority support

Scale Plan

• Ideal for: High-volume merchants and enterprise stores
• Price: $299/month + 1.5% of monthly SMS revenue
• Includes: Unlimited subscribers, custom automations, dedicated account management, SLA uptime guarantee
• Custom Enterprise Tiers: For businesses exceeding 100K subs, contact sales for tailored pricing and service level agreements.

Benefits to the User (Value for Money)

Choosing Postscript translates directly into measurable benefits for your store. Here’s what you get:

• Rapid ROI – Average 34× return on investment, thanks to high open rates and targeted automation. You’ll see revenue uplift within weeks, not months.
• List Growth Velocity – 3× faster subscriber acquisition using popup editors, checkout collection, and QR code campaigns. More subscribers means more potential revenue.
• Time Savings – AI-powered message testing and automation triggers handle routine tasks. Spend less time tweaking copy and more time on strategy.
• Compliance Confidence – Eliminate legal risks with built-in opt-in flows and dynamic regulation updates. You focus on marketing; Postscript handles the legal heavy lifting.
• 1:1 Engagement at Scale – Two-way conversational flows enable true personalization. Automated shopping assistants keep subscribers in the loop and close more sales.
• Actionable Insights – SMS-first analytics dashboards deliver deep customer intelligence, guiding future campaign optimizations and boosting long-term revenue.
• Dedicated Support – Access to seasoned SMS experts who understand ecommerce, ready to guide strategy and troubleshoot issues.

Ready to see these benefits firsthand? Head over now to get started with Postscript.

Customer Support

Postscript’s support team is renowned for its quick response times and deep SMS marketing expertise. Whether you have a technical question about your API integration or need strategic advice on improving open rates, you’ll hear back from a knowledgeable specialist within hours. Email support is available round-the-clock, ensuring your time-sensitive campaigns never stall.

In addition to email, Postscript offers live chat via the dashboard for real-time troubleshooting. Premium tiers also include access to phone support and a dedicated account manager who proactively monitors your account performance, suggests optimizations, and provides personalized best practices.

External Reviews and Ratings

Postscript consistently earns high marks across review platforms:

• G2: 4.8/5 based on 250+ reviews. Users praise the intuitive Flow Builder and AI message optimization.
• TrustRadius: 9.2/10. Merchants highlight exceptional list growth tools and ROI within weeks of setup.
• Shopify App Store: 4.9/5. Reviewers cite seamless Shopify integration and robust compliance features.

Some constructive feedback includes:

• Occasional learning curve for advanced segmentation filters—addressed by expanding video tutorials and live training webinars.
• Messaging costs can add up at high volumes—Postscript is rolling out volume-based discounts and more granular rate plans for high-traffic stores.

Educational Resources and Community

Postscript offers a wealth of learning materials to help you master SMS marketing:

• Official Blog: Regular posts on flash sale tactics, holiday campaign ideas, and compliance updates.
• Video Library: Step-by-step tutorials on Flow Builder, AI copy training, and analytics interpretation.
• Documentation Center: Comprehensive guides covering API integration, checkout collection, and segmentation filters.
• Webinars & Workshops: Live monthly sessions led by SMS experts—complete with Q&A segments.
• Community Forum: Connect with other Shopify merchants in an active Slack group to share campaign ideas, templates, and results.

Conclusion

Throughout this review, we’ve covered how Postscript transforms SMS from a simple notification channel into a full-fledged revenue engine—fueling list growth, automating personalized flows, and delivering best-in-class compliance safeguards. With tiered plans, AI-driven optimization, and support from seasoned experts, every ecommerce merchant can unlock a new revenue stream through text messaging. Now is the perfect moment to capitalize on this exclusive flash sale.

Don’t let this opportunity slip away—Try Postscript Free for 30 days Today and experience firsthand why thousands of Shopify stores trust Postscript for their SMS marketing.

Try Postscript Free for 30 days Today