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Scale relationships and revenue with SMS marketing. Then take your strategy even further with Postscript Plus, SMS Sales and Postscript CashBack.


Grow your subscriber list, develop and test your messaging strategy, deliver excellent customer service, and drive purchases and loyalty—all in one place.

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Features That Help You Scale Your SMS Program into a Top Revenue Channel

Acquire Customers Quickly and Compliantly

  • Our native desktop and mobile popups help you collect compliantly

  • Set up Keyword campaigns and opt-in at checkout to supercharge your acquisition efforts

  • Create a standalone landing page with an SMS opt-in form that you can link to from virtually anywhere—including email messages or social media posts

  • Create unique QR codes to display on your product packaging, signage

  • Use back-in-stock notifications to capture high-intent subscribers

Bub Snax Popup QR
Segment Customers By - Left

Segment and Target Messages for Any Use Case

  • Fine-tune subscriber and customer segments with more than 45 segmentation filters—including historical Shopify data, SMS activity, data from app integrations, area codes, and more.

  • Select from over 65 automation trigger events to fire an automated message at virtually any point in the customer journey. These include keyword replies, checkout started, order created, order in-transit, viewed product, Recharge events, and more.

Make SMS Your Customers' Favorite Way to Connect

  • Deliver personalized messages and drive 1:1 engagement at scale with our robust segmentation, filtering, tagging, and response branching features.

  • Keep existing customers engaged and happy with a tailored post-purchase experience designed to drive brand loyalty and repeat orders.

Bub Snax Order Processed Conversation

Ready to go all-in on SMS, but don’t have the resources you need to do it right? Leave the heavy lifting to our product and messaging experts when you choose one of the three offerings from Postscript Plus—our in-house SMS marketing service for ecommerce brands and agencies.

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PS Plus We Got You

Your tailor-made Postscript Plus program is built specifically for your needs, your audience, and your phase of growth.

  • Offload building and optimizing campaigns while still overseeing the rest of your SMS program.

  • High-touch experts to help you execute a best-in-class SMS program so you can focus on other aspects of your ecommerce business.

  • Receive help on everything from campaign calendar creation to copywriting and so much more.

Feeling Salty Conversation

SMS Sales enhances the ecommerce experience by layering a sales motion on top of your marketing funnel, resulting in a 5-10% increase in total store revenue. We employ a team of highly trained, US-based Sales Associates who proactively engage with your subscribers, providing a unique and personalized shopping experience.

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Customer Service Level Conversation

Drive new revenue with a done for you sales motion over text.

  • Our SMS Sales Associates take the time to understand each subscriber's motivation to shop and identify any objections that may be preventing them from making a purchase.

  • With SMS Sales, you can offer a unique, memorable and highly personalized shopping experience unlike any of your competitors.

  • Your SMS Sales team works in tandem with your existing support team to route conversations to the right places for an improved customer service experience.

Dewy Bronzer Conversation

Discover the power of Fondue, Postscript's CashBack solution. Experience profitable cash back offers that boost list growth, maximize welcome series revenue, and increase margins.

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Welcome to BubSnax

Drive More Revenue, More Efficiently with CashBack

  • Offer customers a CashBack option anywhere you use a coupon—popups, welcome series, or over SMS and email.

  • Make the post-purchase journey more enticing with options: a Visa pre-paid card or a gift card to your store.

  • Drive more repeat purchases with a CashBack optio. Shopper return to purchase multiple times and spend more.


Flexible pricing, no hidden fees

Starter - No monthly fee

Shops just getting started with SMS marketing
$0.015/SMS, $0.045/MMS + Carrier fees*

Growth - $100/mo

Brands building up their SMS program

$0.01/SMS, $0.03/MMS + Carrier fees*

Professional - $500/mo

Most Popular

Established brands scaling up SMS as a top revenue channel
$0.007/SMS, $0.024/MMS + Carrier fees*

Enterprise - Contact us

Brands ready to make SMS their #1 revenue channel
Contact Sales for custom pricing

Over 1.9K 5-Star Reviews in the Shopify App Store

Nashville Leather

Nashville Leather

“Postscript has totally changed the game for our business. My conversion rates were in the basement and since installing postscript they have tripled. Not only does the product work, the CS team is incredibly responsive, highly knowledgeable, and super kind.”

Portland Leather

Portland Leather

“The best SMS software on Shopify...without a doubt.”

Flux Footwear

Flux Footwear

“This is the only SMS platform you should be using. A reliable team, an amazing back-end system, and a proven way to ditch your email and get your warm customers in the funnel!”

13,000+ Shopify stores prefer Postscript

Ready to make SMS your #1 revenue channel?

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