What is Postscript used for?

Postscript is a commercial SMS and email marketing platform for Shopify ecommerce brands, with AI-assisted campaigns, list growth tools and compliance guardrails. It is a good fit for Shopify stores launching an SMS program and ecommerce teams outsourcing SMS strategy.

How much does Postscript cost?

Paid plans for Postscript start at $100 per month, and there is no free plan. A free trial is available.

Is Postscript open source?

No. Postscript is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Postscript include Mautic and Dittofeed.

What are some alternatives to Postscript?

Postscript competes with Attentive, Klaviyo and Omnisend. For open-source options, see Enlisted's ranked list of open-source Postscript alternatives.

Postscript: features, pricing and alternatives

About Postscript

Postscript is a commercial retention marketing platform aimed at Shopify ecommerce brands. Its focus is SMS marketing, and the vendor now also lists RCS and email as channels, all built around AI features meant to speed up message creation and personalization.

Capabilities named on the vendor's site include onsite opt-in and list growth tools for collecting subscribers, a brand center for keeping AI-written messages on-brand, built-in compliance guardrails, automated message testing, AI-driven one-to-one journeys and a cashback offer that it describes as an alternative to coupons. Deep integrations connect the platform to the rest of a store's workflows.

For brands that prefer help, a service called Postscript Plus provides in-house SMS strategists who plan and optimize a program. Postscript is hosted software with a free trial, a demo option and a published pricing page.

Key features

SMS, RCS and email messaging
Onsite opt-in for subscriber capture
Brand center for on-brand AI messages
Built-in compliance guardrails
AI-powered one-to-one marketing journeys
Automated message testing and optimization
Cashback offers as a coupon alternative

Good fit for

→Shopify stores launching an SMS program
→Ecommerce teams outsourcing SMS strategy

Tags: sms-marketing; shopify; ecommerce; email-marketing; rcs; retention-marketing; marketing-automation

Postscript: questions and answers

What is Postscript used for?: Postscript is a commercial SMS and email marketing platform for Shopify ecommerce brands, with AI-assisted campaigns, list growth tools and compliance guardrails. It is a good fit for Shopify stores launching an SMS program and ecommerce teams outsourcing SMS strategy.
How much does Postscript cost?: Paid plans for Postscript start at $100 per month, and there is no free plan. A free trial is available.
Is Postscript open source?: No. Postscript is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Postscript include Mautic and Dittofeed.
What are some alternatives to Postscript?: Postscript competes with Attentive, Klaviyo and Omnisend. For open-source options, see Enlisted's ranked list of open-source Postscript alternatives.