In today’s postscript.io review, we’re introducing an interesting new tool for Shopify store owners, designed to help you build better, more lucrative relationships with customers.
Postscript.io, or “Postscript” as it’s known by most, is an app offering access to instant SMS marketing tools for businesses hoping to strengthen connections with their target audience.
SMS marketing is seeing a significant increase in popularity right now, as companies look for new ways to reach an ever-more mobile audience.
According to some reports, ecommerce businesses saw a 251x ROAS across SMS drip campaigns running throughout January 2021.
Currently, around 97% of all Americans own a cell phone, and around 85% of those own a smartphone, capable of browsing the internet and accepting texts at the same time.
What’s more, a huge number of customers keep their phone with them at all times, making it the perfect avenue for a marketing campaign.
Postscript.io helps companies to reach customers wherever they are with the power of mobile.
What is Postscript.io? An Introduction

Before we jump into the meat of our Postscript.io review, let’s take a closer look at what Postscript is, and what it offers today’s brands.
Postscript.io is an app designed for SMS marketing in the modern world. According to the Postscript team, while messaging your audience can be annoying when you don’t have the right strategy in place, it can also be one of the most powerful ways to build brand relationships.
The Postscript brand consists of a dedicated team of digital professionals committed to helping companies strengthen their connection with their audience through powerful SMS programs.
At the heart of the Postscript offering is the “Conversational Commerce” platform. This is the technology Postscript offers to support companies in reaching their clients through SMS.
Notably, part of what sets Postscript apart from other SMS marketing solutions on the web today is the deep-set integration the solution has with Shopify – one of the world’s biggest ecommerce website building tools.
The Postscript platform is designed to be embedded into the Shopify ecosystem, so you can easily use it while running the rest of your brand marketing campaigns.
What Does Postscript Do?
Postscript.io provides a platform for not just SMS messaging broadcasts, but conversational commerce and two-way conversations.
With this technology, companies can send highly segmented campaign messages to audiences from a range of different backgrounds.
The company is unique compared to other SMS marketing solutions. According to Postscript, other competing brands build all-in-one marketing solutions where SMS is an “add-on” feature.
However, Postscript.io focuses exclusively on SMS marketing, so you know you’re getting best-in-class performance, built for a specific purpose.
Postscript integrates with a host of different tools outside of Shopify too, including Gorgias, Klaviyo, Recharge, Zendesk, Zapier, and many others.
As an added bonus, it comes with a host of extra features to give you peace of mind about compliance and deliverability.
All of Postscript’s features are designed to follow the guidelines set by regulatory bodies throughout the world.
As compliance requirements evolve, so does the Postscript platform. The Infrastructure of the ecosystem is also built specifically to ensure deliverability, with maximum throughput bandwidth and exceptional performance.
Postscript Review: SMS Subscriber List Building
The first step in building a successful SMS marketing campaign with Postscript.io is collecting people for your subscriber list.
The solution provides a number of ways to help you do this, starting with desktop and mobile pop-ups, which allow you to collect phone numbers and emails at the same time.
The easy-to-use ecosystem allows you to customize the design of your popups completely to match your brand, and choose what kind of incentive you want to offer.
You can even decide exactly where on your website you want your pop-ups to appear.
The Postscript.io technology allows you to create an unlimited number of “text to join” keywords too, which you can share across all marketing channels.
The system uses keywords to track opt-ins and generate revenue from different marketing campaigns or channels.
Other features for list building include:
- Checkout data collection: If you’re already interacting with a customer through your Shopify store, you can collect SMS subscribers for your list on your checkout page. The Postscript technology integrates with both Shopify and Shopify Plus, as well as custom checkout pages, Carthook, and ReCharge.
- Landing pages and opt-in forms: Postscript.io also supports the creating of landing pages and opt-in forms with an SMS form. This allows you to link your form directly to your campaigns, for quick data collection.
- QR Codes: For people in the physical world, you’ll be able to create unique QR codes for your product packaging and events. People can simply scan the code to opt-in to your list for SMS marketing in seconds.
- Back-in-stock: Ideal for capturing the attention of high-intent prospects, the “back-in-stock” feature allows you to collect email addresses and mobile numbers from customers who want to receive a notification when out-of-stock items arrive back in your inventory.
Sending SMS Campaigns
At the heart of the Postscript.io technology is the ability to build immersive SMS campaigns designed to capture the attention of your audience at just the right time.
The great thing about Postscript.io, is it allows you to create special, segmented campaigns based on the specific needs of your audience.
You can create subscriber and customer segments that go as narrow as you like, combining 40 different segmentation filters which include SMS activity, historical data collected from Shopify, data from app integrations, and even geographical area codes.
Once you’ve built your segments, the convenient automation building technology allows you to create easy-to-follow funnels for your marketing campaigns.
The interface is extremely straightforward, and comes with a range4 of 65 events to choose from to trigger certain automations to start.
For instance, you can trigger an SMS to send when someone sends a keyword in a text reply, or someone starts the checkout process. You can even send a text message when a subscriber views a product.
For advanced campaigns, Postscript.io allows you to get extra specific about the events and subscribers you target in your automations, with over 85 trigger options to choose from which define specific values related to your orders.
For instance, you can alter your messages based on the total discount offered, the line items, and the sub-total price.
AI Features for Smarter SMS Marketing

As SMS marketing evolves, Postscript.io is leading the way with AI-powered tools designed to make campaigns more effective and less time-consuming.
Instead of relying on guesswork, brands can now leverage AI to generate messages, segment audiences, and optimize send times—all within the Postscript platform.
AI-Powered Message Generation
One of the biggest challenges in SMS marketing is crafting messages that convert.
Postscript’s AI takes the hard work off your plate by generating high-converting text messages based on industry trends and past performance.
The system ensures messages stay on-brand, engaging, and compliant with SMS regulations.
Smart Send-Time Optimization
Timing matters in SMS marketing, and Postscript’s AI helps businesses send messages at the most effective times.
The platform analyzes customer behavior to determine when subscribers are most likely to engage, increasing open rates and conversions.
Instead of sending mass texts at random hours, Postscript ensures every message lands at the perfect moment.
Advanced Audience Segmentation
Generic mass texts don’t work anymore.
Postscript’s AI automatically segments customers based on their interactions, purchase history, and engagement levels.
This means businesses can send hyper-personalized messages that resonate with different audience segments, leading to better engagement and higher revenue.
AI-Driven Response Management
Handling customer replies manually can be time-consuming, but Postscript’s AI streamlines the process.
The system can recognize common inquiries—like order status updates or product availability—and provide instant, automated responses.
This not only improves customer experience but also frees up support teams to handle more complex queries.
Automated A/B Testing
Optimizing SMS campaigns is easier with AI-driven A/B testing.
Postscript automatically tests different message variations, analyzes performance, and selects the best-performing option.
This removes the guesswork from campaign optimization and ensures businesses always send the most effective messages.
With these AI-powered features, Postscript.io helps businesses send smarter, more effective SMS campaigns while reducing manual effort.
By automating key marketing tasks, brands can focus on growing their audience and maximizing revenue.
Two-Way Messaging
Unlike most tools for ecommerce brands sending SMS messages, Postscript doesn’t just allow you to send one-way messages.
While you can connect with customers about abandoned carts and other information, ecommerce stores can also start two-way conversations.
This could be ideal if you want to offer support to customers who can’t get the assistance they need from your FAQ.
The postscript marketing platform allows you to schedule and send campaigns to portions of your subscriber base, with a visual flow builder that makes multi-step campaigns as simple as possible. You can even break campaigns up for testing.
There’s the option to exclude subscriber segments based on the people you don’t want to reach, and you can build comprehensive automations, triggered by the various events mentioned above.
If you’ve never worked on automation before, Postscript does include in-app automation templates to help you.
The solution also allows you to respond to various text conversations with subscribers using the “Responses” tab.
With built-in machine learning, you can filter and prioritize each conversation based on sentiment, and forward subscriber replies to your email, or connect your system to help desks like Zendesk or Gorgias.
Analytics, Reports, and Customizations
Postscript is a comprehensive marketing platform with tons of metrics to track.
As one of the top providers of SMS marketing solutions, the service makes it easy to gain insights into your campaigns, just like you would with an email marketing effort.
You can use your analytics to make decisions about how to boost retention or conversion rate with your text message marketing.
Subscriber analytics provide an insight into which subscriber sources drive the most revenue and opt-ins, while dashboard analytics generate real-time revenue and performance data.
Elsewhere, there’s message analytics for insights into your keyword performance, and comprehensive custom reports.
As an added benefit, Postscript also allows you to make various customizations to your SMS program, so you can boost results based on what you learn from your analysis. Options include:
- Coupons: Dynamic coupons with flexibility to customize eligible products, minimum spend requirements, start and end dates, and usage limits
- Global UTM parameters: Customization for all campaigns and automations with additional custom parameters available.
- Short link subdomain: Customize the subdomain your customers see in short links you send through your texts.
- Contact card: Customize the shop’s contact card with contact name, logo, URL, email, and notes.
- Attribution: Change the default 7-day click and 24-hour view attribution window to the time periods you prefer.
Postscript.io Pricing
Flexible pricing is one of the most compelling features of Postscript. You can even start advertising for free, depending on how many messages you want to send.
The free package does cost more per message however, at $0.015 per SMS, and $0.045 per MMS, along with your carrier fees.
The free option comes with unlimited segmentations, campaigns, automations, and subscriber acquisition tools, help center access, and a toll-free number.
Other packages include:
- Growth: $100 per month with $0.01 per SMS and $0.03 per MMS including carrier fees. This includes all the features of the free plan, unlimited opt-in keywords, email and live chat support, subscriber acquisition tools, and unlimited integrations.
- Professional: $500 per month with $0.007 per SMS and $0.021 per MMS with all the features of Growth, as well as an onboarding launch specialist, dedicated customer success manager, priority support, tier 1 engineering support, API access, and branded short link subdomains.
- Enterprise: Custom pricing for all the features of Professional plus a dedicated success manager, priority live chat, dedicated short codes, custom subscriber acquisition tools, and a discount for Postscript Plus.
All plans come with templates for automation, subscriber acquisition tools, advanced segmentation using data from Shopify, analytics and reports, a visual flow builder, and response management. You also get a custom contact card and custom attribution windows.
Plus, free trials are available too.
Customer Support
The Postscript.io has excellent reviews for its approach to support, with a range of options available.

You do get priority support on higher paid packages, but you’ll usually have access to various options even if you’re on the free plan.
Postscript offers a live chat service, as well as email and a help center where you can find solutions to your own problems.
There’s also access to onboarding support available for beginners, and dedicated support from a customer success manager to help with strategizing your SMS program.
The more assistance you need, the more you can expect to pay for specialist services. However, for the most part, the Postscript platform is easy enough to use on its own without a need for extra guidance from the team.
Postscript Review: Verdict
As demand for SMS marketing continues to expand, Postscript.io ensures every company can send the messages, images, and Gifs required to connect with their target audience.
This compliant and highly reliable tool makes it easy to build custom SMS campaigns from scratch, with in-depth segmentation and customization options.
The pricing structure is designed to suit scaling companies of all sizes, and ensures everyone gains access to the right tools, even if they’re on the free plan.
Postscript’s technology also comes with state-of-the-art compliance, sensational deliverability rates, and a fantastic approach to security, so you retain control of all the data you collect.
Overall, Postscript is a great tool for text message marketing.
Comments 0 Responses