Email inboxes are more crowded than ever. Brands fight for attention, but open rates often struggle to break 20%. For e-commerce businesses, this means lost revenue and missed opportunities to connect with customers. So, where is the conversation happening? Increasingly, it is happening via text.
Enter Postscript, a leading SMS marketing platform designed specifically for Shopify stores. It’s built to help brands build relationships, drive sales, and win back customers through highly personalized text message campaigns. While many tools can send texts, Postscript focuses exclusively on e-commerce, making it a powerful player in 2025.
This comprehensive review will explore what Postscript offers. We will look at its key features, pricing, and who benefits most from its services. By the end, you will have a clear picture of whether it is the right SMS marketing partner for your business.
What is PostScript?
Postscript is an SMS and MMS marketing platform created for stores running on the Shopify ecosystem. It allows brands to grow a subscriber list, send targeted campaigns, and automate text message flows based on customer behavior. Unlike generic SMS tools, every feature in Postscript is fine-tuned for driving sales and customer loyalty.
Its relevance in 2026 comes from its deep integration with Shopify. It can pull customer data, purchase history, and product information directly from your store. This allows you to create highly segmented and personalized campaigns that feel like a one-on-one conversation, not a mass-market blast. From abandoned cart reminders to new product announcements, Postscript aims to make SMS a top revenue channel for your brand.
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Key Features and Benefits
Postscript is packed with features designed to maximize engagement and ROI for e-commerce stores.
Deep Shopify Integration
Postscript’s biggest strength is its seamless connection to Shopify and Shopify Plus. This allows for advanced segmentation based on a customer’s purchase history, product preferences, and on-site behavior. You can target customers who bought a specific product, haven’t purchased in 60 days, or viewed a particular collection.
Powerful Automation and Flows
The platform shines with its automation capabilities. You can create “flows” that trigger messages based on specific actions. Popular automated flows include:
- Abandoned Cart Reminders: Recover lost sales by sending a timed text with a link back to the customer’s cart.
- Welcome Series: Greet new subscribers with a series of texts introducing your brand and offering a discount.
- Shipping Notifications: Keep customers informed with automated order and delivery updates.
- Customer Win-back: Re-engage past customers who have not made a purchase in a while.
Campaign and Segmentation Tools
Beyond automation, Postscript enables you to send one-time campaigns to your entire list or specific segments. You can announce a flash sale, drop a new collection, or send holiday promotions. The segmentation engine lets you target these messages with incredible precision, ensuring the right message reaches the right person.
Two-Way Conversations and Support
Postscript allows for real-time, two-way conversations with your customers. If a customer replies to a marketing text with a question, your support team can answer them directly within the Postscript platform. This turns SMS into a powerful customer service channel.
Use Cases: Who Should Use Postscript?
Postscript is built for a specific audience and excels in several key scenarios.
For Shopify-Based E-commerce Brands
This is the primary user. Any brand running on Shopify, from small startups to large enterprises on Shopify Plus, will find Postscript’s features perfectly aligned with their goals. Its direct integration makes it a natural choice for store owners looking to add SMS to their marketing mix.
For Brands Focused on Customer Retention
Postscript is a powerful tool for building long-term customer relationships. Features like customer win-back flows, loyalty offers, and personalized product recommendations help increase a customer’s lifetime value (LTV).
For Marketers Aiming for High Engagement
With SMS open rates often exceeding 90%, marketers who are tired of low email engagement can find new life in Post-script. It provides a direct and immediate channel to communicate with the most engaged segment of your audience.
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Pricing and Plans
Postscript uses a usage-based pricing model, which scales with your brand.
- Free Plan: A “Hobby” plan is often available for new stores, providing a limited number of credits and basic features to get started and see the platform’s value.
- Paid Tiers: As your subscriber list and sending volume grow, you move into paid plans. These plans are tiered and typically include a monthly fee plus a per-message cost that decreases as you scale. For example, a plan might include 5,000 credits for a set price, with additional credits available for purchase.
- Enterprise Plans: For large, high-volume brands, custom enterprise plans are available. These come with dedicated account managers, premium support, and advanced features.
This model is transparent, as you only pay for what you use. However, costs can add up quickly during high-volume periods like Black Friday, so it’s important to monitor your usage.
Pros and Cons of Postscript
No platform is perfect for everyone. Here’s a balanced look at Postscript’s advantages and disadvantages.
Pros
- Best-in-Class Shopify Integration: The deep data sync is unmatched, enabling hyper-personalization.
- Excellent Automation: The flow builder is intuitive and powerful for recovering sales and engaging customers.
- Compliance-Focused: Postscript puts a strong emphasis on TCPA and CTIA compliance, helping you collect subscribers and send messages legally.
- Strong Support and Community: The company offers robust customer support and has an active user community.
Cons
- Shopify-Exclusive: If your store is on BigCommerce, Magento, or another platform, Postscript is not an option for you.
- Potentially High Cost: The usage-based pricing can become expensive for brands with very large lists or high sending frequency.
- Learning Curve: While intuitive, mastering the advanced segmentation and flow features can take time.
How to Get Started with Postscript
Setting up Postscript on your Shopify store is a straightforward process.
- Install the App: Go to the Shopify App Store, search for Postscript, and click “Add app.”
- Complete the Setup: Follow the on-screen prompts to connect your store. You will need to configure your compliance information, which Postscript guides you through carefully.
- Create a Pop-up: Design and enable a pop-up on your website to start collecting phone numbers from visitors. Offer a small discount to incentivize sign-ups.
- Activate Key Automations: At a minimum, set up the Welcome Series and the Abandoned Cart flow. These are the two most effective automations for driving initial revenue.
- Send Your First Campaign: Once you have a small list of subscribers, plan and send your first promotional campaign to start engaging with them.
FAQs
Is Postscript only for Shopify stores?
Yes, Postscript is built exclusively for the Shopify and Shopify Plus platforms. Its entire feature set relies on the deep integration with Shopify’s data structure.
How does Postscript ensure legal compliance?
Postscript has compliance built into its core. It provides tools and clear guidance for collecting consent (opt-ins) and managing opt-outs, helping brands stay compliant with regulations like the TCPA. The platform will not allow you to message users who have not explicitly agreed to receive texts.
Can I talk to customers through Postscript?
Yes, the platform includes a feature called “Responses” where you can manage and reply to incoming customer texts. This allows you to handle customer service inquiries directly through the app.
What is the difference between Postscript and other SMS tools?
While many tools send texts, Postscript’s main differentiator is its e-commerce focus and Shopify-native design. Generic tools may lack the deep segmentation and automation triggers related to customer purchase behavior that Postscript offers.
Conclusion
For e-commerce brands on Shopify, Postscript is a top-tier SMS marketing platform. Its powerful automation, deep data integration, and commitment to compliance make it an essential tool for driving revenue and building customer relationships. By turning text messaging into a personalized, two-way conversation, it helps brands cut through the noise of crowded email inboxes.
While the cost can scale, the return on investment from recovered carts and loyal customers often makes it a worthwhile expense. If you are serious about leveraging SMS marketing in 2026, Postscript should be at the top of your list to evaluate.
