Postscript is an SMS marketing platform built exclusively for Shopify merchants, enabling e-commerce brands to collect phone numbers, send promotional texts, and automate SMS flows for cart abandonment, back-in-stock alerts, and post-purchase sequences. It provides TCPA compliance tools, subscriber management, and revenue attribution to prove SMS ROI — making it one of the most trusted SMS platforms for Shopify brands.
Postscript
SMS marketing platform for Shopify brands.
Best for: Shopify brands who want to build SMS as a primary marketing and customer service channel.
- Free trial
4.5/5 ratingEditorial score 87/100postscript.io
Starts at
Free (to $1k revenue/mo)
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Editorial score87/100
The editorial note
What to know about Postscript
Is it right for you?
Who Postscript suits
Choose it if
- Shopify brands who want to build SMS as a primary marketing and customer service channel.
Look elsewhere if
- Non-Shopify e-commerce stores or brands primarily using email marketing — Attentive or Klaviyo SMS work across platforms and offer combined email+SMS in one tool
What you get
Key features
- SMS marketing automation
- Shopify purchase behavior segmentation
- TCPA-compliant subscriber management
- Cart abandonment SMS flows
- Back-in-stock alerts
- Revenue attribution tracking
- A/B testing for campaigns
- Two-way SMS conversations
Works with
Integrations8
What it costs
Pricing
| Plan | Price | What it includes |
|---|---|---|
| Starter | Free (to $1k revenue/mo)Billed monthly | Free until $1,000 in monthly SMS revenue — SMS marketing for Shopify stores |
| Growth | $100 / monthBilled monthly | Up to $30k SMS revenue/month, automations, segmentation, A/B testing, analytics |
| Professional | CustomBilled monthly | Advanced flows, dedicated account manager, custom integrations, enterprise features |
Prices are recorded from the vendor's public pricing page and can change. Check before you buy.
The trade-off
Pros and cons
Pros
- Shopify-exclusive deep integration enables advanced segmentation by purchase behavior and cart data
- TCPA compliance tools and keyword opt-out management reduce legal risk
- Revenue attribution shows exact SMS-driven sales with multi-touch tracking
- Pre-built automation flows for cart abandonment, welcome series, and winback campaigns
- Dedicated Shopify Plus features for larger brands including branded short codes
Cons
- Shopify-only — not available for WooCommerce, BigCommerce, or other platforms
- SMS-only platform requires separate email marketing tool for full lifecycle marketing
- Pricing based on subscriber count and message volume can be difficult to estimate
- More expensive than general SMS platforms like Attentive for equivalent sending volume
Quick read
At a glance
- Category
- E-commerce
- Pricing model
- Subscription
- Entry plan
- Free (to $1k revenue/mo)
- Free plan
- Not listed
- Free trial
- Available
- Website
- postscript.io
The verdict
Our take on Postscript
The best SMS marketing platform for Shopify — native integration and two-way messaging create authentic customer relationships.
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