When evaluating SMS marketing platforms for Shopify stores, two prominent options are Postscript and Drip. Postscript is an SMS marketing platform purpose-built for Shopify stores, while Drip is an e-commerce CRM and email marketing automation tool designed for direct-to-consumer (DTC) brands. This comparison examines their core features, pricing, ease of use, integrations, customer support, and ideal customer profiles to assist in determining which platform aligns best with specific business needs.

Postscript

Core Features and Functionality

Postscript specializes in SMS marketing tailored for Shopify stores. It offers automated SMS flows, segmentation, compliance tools (TCPA and GDPR), keyword opt-ins, product review requests, and abandoned cart reminders via text. Postscript's focus is on maximizing SMS revenue and engagement with Shopify-specific triggers and integrations. It also supports MMS and personalized campaigns.

Pricing Model

Postscript offers a free plan with 50 contacts; paid plans start at $20 per month for 500 contacts. SMS credits are purchased separately, with costs approximately $0.015–$0.02 per SMS. This pay-as-you-go model allows flexibility based on usage.

Ease of Setup and Use

Postscript provides a seamless integration with Shopify, enabling quick setup and connection to store data such as products, customers, and purchases. The user interface is designed for marketers focused purely on SMS campaigns, with intuitive tools for creating automated flows and compliance checks tailored for Shopify stores.

Integrations

Postscript integrates natively with Shopify, syncing customer data, purchase history, and browsing behavior for SMS targeting. It also integrates with Shopify Plus and supports integrations with third-party tools like loyalty apps and product reviews, focusing on SMS-related workflows.

Customer Support and Documentation

Postscript offers live chat, email support, and a comprehensive help center with articles and tutorials. Higher-tier plans provide priority support and dedicated onboarding assistance. The support channels emphasize SMS compliance and campaign optimization for Shopify stores.

Best-Fit Customer Profile

Postscript is ideal for Shopify merchants seeking a specialized SMS marketing platform with easy setup and SMS compliance features. It suits small to mid-sized e-commerce stores aiming to boost sales through targeted SMS campaigns such as cart abandonment texts, product promotions, and customer loyalty engagement.

Drip

Core Features and Functionality

Drip functions as an omnichannel e-commerce CRM with SMS as a complementary channel to email marketing. Its core strength lies in detailed customer segmentation, advanced workflows, and multichannel automation combining email, SMS, and onsite messaging. Drip's SMS features include two-way conversations, SMS flows, and multichannel attribution. However, SMS is not its sole focus, so some Shopify-specific SMS automation features are less prominent compared to Postscript.

Pricing Model

Drip's pricing is tiered based on the number of subscribers, with plans starting at $39 per month for up to 500 subscribers. Higher-tier plans offer more advanced features, including increased subscriber limits and additional support options. SMS credits are sold separately, starting at $5 per 100 SMS.

Ease of Setup and Use

Drip requires more configuration to integrate Shopify data and set up automation workflows spanning email and SMS. The interface is more complex due to broader CRM functionality, which may lead to a steeper learning curve for users primarily interested in SMS only.

Integrations

Drip integrates with multiple e-commerce platforms, including Shopify, WooCommerce, and BigCommerce. It also connects with various CRM systems, analytics tools, and social media platforms, providing a comprehensive marketing ecosystem.

Customer Support and Documentation

Drip provides customer support via email and live chat, along with an extensive knowledge base. Higher-tier plans offer priority support and dedicated account management. Its guides cover overall e-commerce CRM use cases, multichannel automation, and integration best practices.

Best-Fit Customer Profile

Drip fits DTC brands seeking an e-commerce CRM that combines email and SMS marketing automation under one system. These brands often require complex segmentation, multichannel attribution, and integrated workflows with email and onsite messaging alongside SMS. Drip's CRM functionality scales well for stores with diverse marketing channels and a need for detailed customer lifecycle management.

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Side-by-Side Comparison

Feature/Criteria Postscript Drip
Core Focus SMS marketing for Shopify stores E-commerce CRM with email + SMS
SMS Automation Advanced SMS flows, keywords, MMS SMS flows integrated with email
Email Marketing Not supported Full-fledged
Shopify Integration Native, deep Shopify data sync Native, real-time syncing
Pricing Base Starts free; SMS credits extra Starts $39/month; SMS credits extra
Ease of Use User-friendly for SMS specialists More complex due to CRM features
Multichannel Marketing SMS only Email + SMS + onsite messaging
Compliance Support Built-in TCPA, GDPR for SMS Compliance tools across channels
Customer Support Live chat, email, SMS-focused docs Email, live chat, knowledge base
Ideal Customer Shopify stores focused on SMS DTC brands needing CRM automation

Which to Choose

  • Choose Postscript if your primary goal is targeted, compliant SMS marketing on Shopify with quick setup and SMS-first features. It fits small to mid-market Shopify stores focused on maximizing SMS revenue without added email complexity.

  • Choose Drip if you want an integrated e-commerce CRM that combines email, SMS, and onsite messaging in one platform. It suits DTC brands requiring advanced segmentation, customer lifecycle workflows, and multichannel attribution beyond SMS alone.

Both platforms deliver value but serve different marketing strategies. Postscript simplifies SMS marketing deeply embedded in Shopify, while Drip adds CRM sophistication and multichannel marketing capabilities.

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