Postscript
Postscript — leading SMS marketing platform for Shopify brands that growth-PMs and product marketing teams use for two-way text campaigns, automations, and AI-powered conversational commerce.
Why We Picked Postscript
Postscript is the leading SMS platform for Shopify brands, used by Brooklinen, Ruggable, and Native. Starter is $0/month with a $49 minimum spend; Growth at $100/month suits brands building their SMS program; Professional at $500/month covers high-revenue accounts with API access and white-labeled deliverability. AI Sales Associate add-on enables one-to-one buyer conversations powered by LLMs.
Key Features
- Send SMS and MMS campaigns to Shopify customer lists
- Run automations triggered by browse, cart, purchase, and lifecycle events
- Manage two-way SMS conversations with customer support agents
- Run unlimited segments and opt-in keywords
- Push viewer data and revenue back into the Shopify dashboard
- Use AI agents for one-to-one buyer conversations (Postscript Sales Associate)
Specifications
| Core Competency | Shopify SMS Marketing, Cart Abandonment Recovery, Conversational Commerce, Subscriber Lifecycle Sequences |
|---|---|
| Founded | 2018 |
| Funding | Series C |
| Certifications | SOC 2 |
| Pricing Model | tiered subscription + per-message; pay-as-you-go credits |
| Team Size | Small, Mid, Large |
Trust & Credibility
Founded: 2018 (8 years in operation)
Funding: Series C
Team Size: 201-500 employees
Security & Compliance: SOC 2
Best For
Methodology Fit
How well Postscript supports each PM methodology, scored 1-5 based on feature depth and template availability.
| Methodology | Score | Fit |
|---|---|---|
| Agile | 3/5 | |
| Kanban | 3/5 | |
| Waterfall | 3/5 | |
| Hybrid | 3/5 | |
| SAFe | 3/5 |
AI Capability Depth
How deep Postscript's AI goes across five key dimensions, scored 1-5 based on feature analysis. Postscript is strongest in workflow automation and has the most room to grow in content generation.
| Capability | Score | Depth |
|---|---|---|
| Workflow Automation | 4/5 | |
| Predictive Analytics | 3/5 | |
| Content Generation | 3/5 | |
| Natural Language | 4/5 | |
| Agentic AI | 4/5 |
Use Cases
- Run SMS launch campaigns for new product drops on Shopify
- Trigger cart-abandonment SMS sequences with browse-aware copy
- Manage two-way SMS conversations as a support and sales channel
- Sync revenue and engagement data back to Shopify dashboards
- Deploy AI Sales Associate for one-to-one buyer conversations
Pros & Cons
Pros
- Send SMS and MMS campaigns to Shopify customer lists
- Run automations triggered by browse, cart, purchase, and lifecycle events
- Manage two-way SMS conversations with customer support agents
- Run unlimited segments and opt-in keywords
Cons
- Limited advanced features compared to competitors
- Smaller user community and resources
Postscript Pricing (May 2026)
Pricing model: tiered subscription + per-message; pay-as-you-go credits
| Plan | Price | Includes |
|---|---|---|
| Starter | $0/month ($49 minimum spend) |
|
| Growth | $100/month |
|
| Professional | $500/month |
|
| Enterprise | Custom |
|
What AI features does each tier include?
| Free | Trial credit only |
| Paid | Campaigns, automations, segments, dedicated number, two opt-in keywords (Starter); unlimited keywords + live chat support (Growth+) |
| Enterprise | Onboarding specialist, personalized messaging, priority support, data warehouse push |
Pricing verified May 2026. Visit Postscript pricing page for current rates.
Pricing
For the most up-to-date pricing information, visit the Postscript pricing page.
Who is this for?
Teams looking to speed up planning and delivery with AI assistance.
Bottom line
Postscript suits focused use cases; compare against higher-scoring options if you need breadth.
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Frequently Asked Questions About Postscript
What is Postscript?
Postscript is an AI-powered product management platform that provides send sms and mms campaigns to shopify customer lists. It scores 75/100 in our expert analysis and is best for shopify sms marketing, cart abandonment recovery, conversational commerce.
How much does Postscript cost?
Postscript starts at $100/month (Growth). Pricing varies by team size and feature tier — check the official pricing page for current rates.
Is Postscript worth it?
Postscript scored 75/100 in our transparent 100-point methodology across capability depth, AI quality, ecosystem, UX, governance, and value. It is best suited for shopify sms marketing, cart abandonment recovery, conversational commerce. Teams outside that profile may find better fit with alternatives.
Who is Postscript best for?
Postscript is best for shopify sms marketing, cart abandonment recovery, conversational commerce. Our scoring rubric weights team size fit, methodology alignment, integration depth, and AI quality — Postscript's strongest dimensions align with these audiences.
What are the best alternatives to Postscript?
The top alternatives to Postscript are Tidio, ClickUp, Klaviyo — each scored in our directory for direct comparison.