💬 SMS Marketing

Postscript Pricing Plans & Costs (2026)

Postscript starts at $100/mo. Here's a complete breakdown of every plan, what you actually get, and how it compares to alternatives.

Free Plan
No
Starting Price
$100/mo
Pricing Model
Monthly base + per-SMS usage credits
App Store Rating
⭐ 4.8

Postscript Pricing Plans

Starter
$100/mo
/mo includes $100 SMS credits
Core flows, popups, compliance tools
Scale
$500/mo
/mo includes $500 SMS credits
+ A/B testing, advanced analytics
Enterprise
Custom
Custom
Dedicated success, custom rates
⚠ Scaling Costs

Additional SMS credits ~$0.015/message; large lists easily reach $1,500+/mo total

What You Get with Postscript

Strengths

Best-in-class SMS marketing built exclusively for Shopify
Native Shopify event triggers for all key customer actions
Two-way SMS conversations with customers
TCPA/CTIA compliance tools built-in

Limitations

SMS only — requires a separate email platform alongside it
Expensive at scale vs Klaviyo SMS add-on
$100/mo minimum even for small lists

Postscript Price vs Competitors

App Free Starts At
Postscript (this app) $100/mo
Omnisend Free ↓ cheaper
Klaviyo Free ↓ cheaper
Yotpo Free ↓ cheaper

Is Postscript Worth the Price?

Buy Postscript if: Stores doing $1M+/yr with a dedicated SMS strategy where SMS is a primary revenue channel.

Look elsewhere if: Stores wanting email + SMS in one platform — Klaviyo or Omnisend cover both at lower cost.

Budget pick: Omnisend has a free plan and stores wanting email + sms + push at lower cost than klaviyo.

Pricing FAQ

How much does Postscript cost per month?

Postscript starts at $100/mo. Pricing is monthly base + per-sms usage credits. Additional SMS credits ~$0.015/message; large lists easily reach $1,500+/mo total

Does Postscript have a free plan?

No, Postscript does not have a permanent free plan. If you need a free option, Omnisend offers one.

Is Postscript worth the price?

Postscript is best for: Stores doing $1M+/yr with a dedicated SMS strategy where SMS is a primary revenue channel. For that use case, it's strong value. However, Stores wanting email + SMS in one platform — Klaviyo or Omnisend cover both at lower cost.

What is the cheapest sms marketing app for Shopify?

Omnisend is the most affordable option, with a free plan. Stores wanting email + SMS + push at lower cost than Klaviyo.

Explore Postscript Further