Best SMS Marketing · pricing · Updated June 2026
Postscript pricing (2026)
Postscript starts at $0/mo (Starter), across 4 plans. Best for Shopify and Shopify Plus brands exclusively. Every figure links to Postscript's own page and the date we captured it.
At a glance
- Entry price: $0/mo (Starter)
- Free tier: No · 30-day trial
- Compliance: HIPAA — · SOC 2 — · GDPR —
- Best for: Shopify and Shopify Plus brands exclusively; DTC brands scaling owned SMS revenue channel; High-AOV brands wanting AI-driven conversational commerce
Postscript plans & pricing
| Plan | Monthly | Annual | Billing | Notes | Source |
|---|---|---|---|---|---|
| Starter | $0 | — | custom | $0/mo platform fee but $49/month minimum spend on messages. SMS: $0.009/msg + carrier fees; MMS: $0.045/msg + carrier fees. Toll-free number included free. $100 trial credit for first 30 days. | postscript.io |
| Growth | $100 | — | flat | $100/mo platform fee. SMS: $0.008/msg + carrier fees; MMS: $0.03/msg + carrier fees. Toll-free number included free. | postscript.io |
| Professional | $500 | — | flat | $500/mo platform fee (most popular). SMS: $0.007/msg + carrier fees; MMS: $0.024/msg + carrier fees. Dedicated short code available as add-on at $750/mo. | postscript.io |
| Enterprise | Quote-only | — | custom | Custom pricing via sales. Includes managed strategy via Postscript Plus add-on option. Aimed at highest-volume SMS programs. | postscript.io |
Last verified 2026-06-14. Official pricing page https://www.postscript.io/pricing accessed 2026-06-14. Four plans with published monthly base fees and per-message rates. Page shows dual rates (old/new) — current rates recorded. Carrier fees (avg $0.00418 SMS / $0.00841 MMS) are additional.
Capabilities
Integrations: Shopify, Shopify Plus, Klaviyo, Gorgias, Recharge, Yotpo, Zendesk, Slack.
Key features: Shopper AI — conversational 1:1 shopping assistant over SMS; Infinity Testing — AI-powered multivariate message optimization; 45+ segmentation filters and 65+ automation trigger events; Onsite Opt-in network of 130M+ known subscribers for faster list growth; In-house compliance team + TCPA Defense Force partnership.
Plan limits: Starter: $0/mo platform fee but $49/mo minimum message spend; Growth: $100/mo platform fee, lower per-msg rate; Professional: $500/mo, dedicated short code add-on $750/mo; 30-day free trial includes $100 message credit.
Frequently asked questions
How much does Postscript cost?
Postscript starts at $0/mo (Starter); it has 4 published plans. Verified 2026-06-14.
What are cheaper alternatives to Postscript?
Cheaper sms marketing than Postscript (entry $0/mo) include Omnisend at $11.2/mo, Klaviyo SMS at $20/mo, EZ Texting at $25/mo. Verified 2026-06-14.
Does Postscript support HIPAA?
Postscript HIPAA support: —. SOC 2: —. GDPR: —.
Does Postscript have a free plan?
Postscript free tier: No; 30-day free trial.
Postscript vs alternatives
Cheaper sms marketing alternatives
- SimpleTexting from $39/mo
- SlickText from $29/mo
- EZ Texting from $25/mo
- Klaviyo SMS from $20/mo
- Omnisend from $11.2/mo