What does Postscript do?
Postscript is an SMS marketing platform for consumer brands, with flows, segmentation and a Postscript AI plan that adds Shopper (AI 1:1 journeys), Infinity Testing and Brand Center. Starter has no platform fee but a $49 monthly minimum spend on messages. It suits ecommerce brands that sell by text; skip it if you only send email.
- Shopper. AI-powered 1:1 marketing journeys aimed at higher revenue per subscriber; part of the Postscript AI plan.
- Brand Center. A central control panel that keeps every AI-written message on-brand.
- Infinity Testing. Tests and optimizes messages at scale; included in the Postscript AI plan.
- Flow Builder. Automated text flows with templates, on all marketing plans.
- Subscriber acquisition tools. List-growth tools and opt-in keywords (2 on Starter, unlimited from Growth).
- Segmentation and analytics. Unlimited segments and analytics, with enhanced analytics on Professional.
- Response management. Manage subscriber responses, included on all marketing plans.
- Multichannel roadmap. SMS, MMS and RCS (Enterprise), with email on a waitlist.
Who is Postscript for?
Postscript is a good fit if you're a business owner or a team lead, and you need help automating busywork or making ads and marketing assets.
How much does Postscript cost?
Postscript starts at $49/mo. It has no free plan. Its pricing page lists a free trial. We checked this on Nov 7, 2026 on the official pricing page.
- Starts at
- $49/mo
- Free plan
- No
- Free trial
- 30 days, per the pricing page description
Starter has a $0 platform fee with a $49 monthly minimum spend on messages ($0.009 per SMS, $0.045 per MMS, plus carrier fees). Growth is $100/mo, Professional $500/mo and the Postscript AI plan $699/mo, all billed monthly; Enterprise is custom. Checked Nov 7, 2026.
Postscript plans compared
| Plan | Billed monthly | Billed yearly | What you get |
|---|---|---|---|
| Starter | $0 + $49 minimum spend | Not listed | $0.009 per SMS, $0.045 per MMS plus carrier fees; unlimited segments, toll-free number, 2 opt-in keywords, branded short links |
| Growth | $100/mo | Not listed | $0.008 per SMS, $0.03 per MMS plus carrier fees; unlimited opt-in keywords, live chat and email support |
| Professional | $500/mo | Not listed | $0.007 per SMS, $0.024 per MMS plus carrier fees; enhanced analytics, priority support, API access, no 'Powered by Postscript' on opt-in |
| Enterprise | Custom | Custom | Custom via sales; dedicated Customer Success Manager, personalized product recommendations, Data Warehouse Push, optional RCS |
| Postscript AI | $699/mo | Not listed | $0.003 to $0.30 per message depending on product and message type; Brand Center, Infinity Testing and Shopper |
Checked on Nov 7, 2026 from a US-based fetch of postscript.io/pricing. All prices are monthly; message costs are on top of the plan fee, plus average US/Canada carrier fees of $0.0033 per SMS and $0.00799 per MMS. The page description says all plans start with a free 30-day trial; the FAQ answer wasn't visible. Email is waitlist only, and Postscript Plus (managed strategy) and CashBack are add-ons without listed prices.
Checked Nov 7, 2026 on Postscript's pricing page. Prices change often, so confirm before you buy.
Postscript pros and cons
What stands out
- No platform fee on Starter, just a $49 monthly minimum
- Published per-message rates for every plan
- Dedicated AI plan with AI journeys and on-brand controls
- Lower message rates on higher plans
- Free trial on all plans, per the pricing page
Watch out for
- Message costs and carrier fees come on top of plan prices
- The AI plan costs $699/mo
- API access needs Professional ($500/mo)
- Email is waitlist only
- Enterprise features such as RCS need a custom contract
Based on Postscript's own pages, not hands-on testing.
What are the alternatives to Postscript?
We list 25 other AI Marketing & Creative tools: AdCreative.ai, Amplitude, Aspire, CallRail, Crazy Egg, Databox, Iconosquare, Influencer Hero, Later, Leadfeeder, LettrLabs, Livestorm, Outgrow, SimpleTexting, SocialBee, soona, SurveyMonkey, SurveySparrow, Survicate, Thryv, Vista Social, VWO (Wingify), WhatConverts, Wistia, Zonka Feedback. Each one below shows its starting price and when you might pick it instead.
AdCreative.ai · From $20/moChoose AdCreative.ai if you want a lower starting price ($20/mo vs $49/mo).
Aspire · Custom pricingChoose Aspire if you'd like a second option to compare for automating busywork.
Influencer Hero · From $454/moChoose Influencer Hero if you'd like a second option to compare for automating busywork.
SimpleTexting · From $39/moChoose SimpleTexting if you want a lower starting price ($39/mo vs $49/mo).
VWO (Wingify) · Custom pricingChoose VWO (Wingify) if you'd like a second option to compare for automating busywork.
WhatConverts · From $30/moChoose WhatConverts if you want a lower starting price ($30/mo vs $49/mo).
Zonka Feedback · Custom pricingChoose Zonka Feedback if you also need help answering customer questions.
Postscript FAQ
How much does Postscript cost?
As of Nov 7, 2026: Starter $0/mo with a $49 monthly minimum spend, Growth $100/mo, Professional $500/mo and Postscript AI $699/mo, plus per-message and carrier fees. Enterprise is custom.
How much does a text cost on Postscript?
From $0.009 per SMS on Starter down to $0.007 on Professional, plus about $0.0033 in average US/Canada carrier fees. MMS costs $0.045 to $0.024.
What is Postscript AI?
A $699/mo plan that adds Shopper for AI 1:1 journeys, Brand Center to keep AI messages on-brand, and Infinity Testing.
Does Postscript have a free trial?
The pricing page description says all plans start with a free 30-day trial.
Does Postscript send email?
Not yet for most customers: email is waitlist only on the pricing page.
What's the difference between Starter and Growth?
Growth costs $100/mo, lowers message rates, removes the 2-keyword limit and adds live chat and email support.
Does Postscript have an API?
Yes, API access is included from the Professional plan.
Who is Postscript best for?
Consumer and ecommerce brands that drive sales through text messages. Small businesses that mostly need two-way texting may find SimpleTexting simpler.
Sources and how we checked
- Official pricing page, checked Nov 7, 2026
- Official website
- Postscript homepage: AI products (read Nov 7, 2026), checked Nov 7, 2026