Summary
Postscript is an SMS marketing platform for Shopify brands that builds engaged subscriber lists, automates campaigns, and drives revenue using AI-powered messaging, onsite opt-ins, and compliance tools.
Overview
Postscript is an SMS marketing and conversational commerce platform focused on helping Shopify merchants grow subscriber lists, boost conversions, and increase revenue. It includes a Popup Editor, Onsite Opt-In, CashBack, and Shopper — an always-on AI shopping assistant for 1:1 engagement. Infinity Testing and AI-driven message optimization automate campaign performance while an in-house legal team ensures compliance. Postscript Plus offers managed SMS strategy and services for brands seeking hands-on support.
Pros & Cons
Pros:
✓ Grows SMS subscriber lists 2–4x faster with integrated Popup Editor and onsite opt-ins, accelerating list building within weeks.
✓ Recovers 8–12% of abandoned carts using automated SMS flows and Shopify-native triggers, boosting short-term revenue.
✓ Improves campaign performance through Infinity Testing and AI-driven optimization, often increasing open/click rates by up to 15–25%.
✓ Offers Postscript Plus managed services that can reduce internal setup and strategy time by ~20–40% for growing brands.
Cons:
✗ Pricing scales with subscriber count and message volume, which can make costs 2–3x higher than email-only solutions for high-volume stores.
✗ Designed primarily for Shopify merchants, integrations and advanced features are limited or unavailable for non-Shopify platforms.
✗ SMS-focused feature set means you’ll need separate providers for advanced email or full omnichannel campaigns.
✗ Compliance and opt-in requirements add setup complexity and may require legal review for international SMS programs.
Pricing
| Plan | Monthly | Annual | Free Trial | Pricing Model | Setup Fee |
|---|
| Starter |
$0/mo |
- |
30 days |
- |
- |
| Growth |
$100/mo |
- |
30 days |
- |
- |
| Professional |
$500/mo |
- |
30 days |
- |
- |
| Enterprise |
Contact |
- |
30 days |
- |
- |
Features
AI
Automation
API
Analytics
Import
Export
SMS
A/B Testing
Segmentation
Personalization
Real-time
Reporting
Dashboard
Mobile
Templates
Webhook
Drag & Drop
Integrations
Best For
Business Size: SMB, Mid-Market, Enterprise
Industry: Ecommerce, Retail, Fashion, Beauty, Home Decor, Food & Beverage, Health & Wellness, Electronics, Direct-to-Consumer
Use Case: SMS Marketing, Abandoned Cart Recovery, Customer Segmentation, Marketing Automation, Loyalty Programs, Referral Programs, Personalization, Marketing Analytics, Lead Generation, Popup Marketing
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