Campaigns and automations
Run SMS campaigns and automations with a visual flow builder and built-in templates for common journeys like cart abandonment, browse abandonment, welcome, upsell, and shipping updates.
Postscript
Freemium
SMS marketing and sales platform for Shopify brands
What is Postscript?
Postscript is an SMS marketing and sales platform built for Shopify brands. It combines campaign sending, automation, list growth, analytics, and customer replies in one system focused on SMS as a revenue channel.
The platform also extends into AI-assisted messaging, 1:1 shopping assistance, and compliance support. Pricing pages show tiered plans for growing stores, a trial period, and an enterprise path for brands that want more custom support and integrations.
What can Postscript do?
Subscriber acquisition
Grow your subscriber list with popups, checkout collection, onsite opt-in, opt-in forms, CashBack, and dedicated keyword-based acquisition tools.
Postscript AI suite
Use Postscript AI tools to train brand voice, test message variants at scale, and power features such as Brand Center, Infinity Testing, Shopper, and Conversation Insights.
Shopper assistant
Give customers a 1:1 shopping assistant over SMS that answers questions, recommends products, and responds in your brand voice.
Analytics and inbox management
Track subscriber, revenue, and messaging performance with analytics, custom attribution windows, and response management for incoming texts.
Compliance tooling
Support compliance with built-in guardrails, consent and message records, and tools designed around TCPA and carrier requirements.
Use Cases
“Automate lifecycle SMS”
Launch timed and triggered SMS sends for promotions, cart recovery, welcome flows, upsells, and shipping updates using the visual flow builder and templates.
“Build and segment your list”
Capture more subscribers through popups, checkout collection, onsite opt-in, and keyword campaigns, then segment and message them from the same platform.
“Assist shoppers over text”
Use Shopper to handle product questions, recommend items, and keep conversations moving when a subscriber is ready to buy but needs help.
“Optimize SMS with AI”
Train brand voice, test variants, and review conversation data with Brand Center, Infinity Testing, and Conversation Insights to improve messaging over time.
“Manage compliance and risk”
Support legal and operational teams with compliance guardrails, consent records, and access to SMS-focused legal resources when risk questions come up.
Frequently Asked Questions
Does Postscript offer a free trial?
Yes. The pricing page states that all plans include a free 30-day trial.
Is Postscript only for Shopify stores?
Postscript is built around Shopify brands and the homepage says it helps Shopify stores get more success from SMS. The pricing page also notes that merchants outside Shopify can use an SDK on their own shop code.
What can I do during the trial?
The pricing page says Postscript supports campaigns, automations, segments, subscriber acquisition tools, response management, analytics, custom attribution windows, and integrations. During the trial, you can build two keywords, set up automations, send campaigns, create segments, leverage integrations, and respond to customers.
How does Postscript help with compliance?
The pricing page says Postscript has a built-in compliance approach with tools designed to follow TCPA, carrier, and other regulatory guidelines. The compliance page adds playbooks, audit-ready records, and access to a network of TCPA litigators.
Quick Facts
- Category
- SMS marketing platform
- Primary platform
- Shopify
- Primary users
- Ecommerce and Shopify brands
- Pricing
- Free 30-day trial; tiered paid plans
- Website
- postscript.io
- Notable workflows
- Campaigns, automations, list growth, SMS replies, AI shopping assistance
Postscript Traffic Analysis
Traffic data is for reference only.
- Domain Rating
- 74
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