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Postscript
Postscript is an AI tool for ecommerce. AI-native retention marketing platform running SMS, RCS and email journeys on a shared customer-context layer. Pricing: paid, From $100/month (Growth); Starter $0/month plus a $49 monthly minimum spend (as of November 2026).
Key facts
- Name
- Postscript
- Primary profession
- Ecommerce
- Category
- Marketing & retention
- Pricing
- Paid: From $100/month (Growth); Starter $0/month plus a $49 monthly minimum spend
- Pricing source
- https://postscript.io/pricing
- Pricing as of
- November 2026
- Last verified
- November 1, 2026
Pricing verified November 1, 2026 against the vendor's official page.
Used by: Ecommerce
Task hubs: Marketing & Retention for Ecommerce
What Postscript does
Postscript stores brand and customer context for AI agents at subscriber level, keeps AI messages on-brand through Brand Center, runs AI-powered 1:1 customer journeys and optimises messages with Infinity Testing.
Postscript sells an AI-native retention platform rather than a scheduler: SMS, RCS and email share one customer-context layer, and the AI is meant to act on subscriber-level data. The Agentic Context Platform and Brand Center are the parts that distinguish it from a conventional SMS app — one stores context, the other constrains what the AI is allowed to say. Email is newer than the SMS core, so check maturity before consolidating.
SMS, RCS, email and the context layer
Described on postscript.io's official pages and checked on November 1, 2026. Each point links to the page it came from; this directory has not tested the product. How we choose and verify.
- The Agentic Context Platform stores brand and customer context so agents can act at the individual subscriber level; the vendor says it is included with every plan at no extra cost. (postscript.io, as of November 1, 2026)
- Channels are SMS, RCS and email, presented as one multichannel foundation rather than email bolted onto an SMS tool. (postscript.io, as of November 1, 2026)
- Brand Center is a central control panel for keeping every AI-generated message on-brand, working from a single brand-context source. (postscript.io, as of November 1, 2026)
- Shopper runs AI-powered 1:1 marketing journeys, and Infinity Testing optimises messages across variants. (postscript.io, as of November 1, 2026)
- List-growth tools include Onsite Opt-in, which the vendor claims can capture up to three times more subscribers, and CashBack as a coupon alternative. (postscript.io, as of November 1, 2026)
- The platform advertises built-in compliance guardrails and expert compliance support alongside the messaging tools. (postscript.io, as of November 1, 2026)
How Postscript is delivered
- The site refers to deep integrations but shows partner logos rather than a named integration list, so confirm your ecommerce and helpdesk stack with the vendor. (postscript.io, as of November 1, 2026)
- Email pricing is described as waitlist-only on the pricing page, while SMS and RCS plans are published. (postscript.io, as of November 1, 2026)
Best for
Shopify and DTC brands running high-volume SMS with a dedicated retention program.
- AI SMS retention journeys
- Subscriber-level personalisation
Postscript is catalogued for Ecommerce under marketing and retention and appears in the Marketing & Retention for Ecommerce hub. It fits high-volume Shopify and DTC lists: compare Klaviyo for email-led retention, Yotpo for reviews and loyalty, and Rebuy for on-site personalisation. Ask for the email roadmap and a named integration list before replacing a mature SMS provider.
Pricing
Paid: From $100/month (Growth); Starter $0/month plus a $49 monthly minimum spend
Monthly plans seen: Starter ($0/month plus $49 monthly minimum spend), Growth ($100/month), Professional ($500/month), Enterprise (contact us). Postscript AI Plan $699/month with per-message rates of $0.003–$0.30. Free trial gives a $100 credit for the first 30 days.
Pricing as of November 2026; last verified November 1, 2026. Source: https://postscript.io/pricing. How we check pricing.
Related alternatives
Editorial matches from this directory's catalog based on shared tasks, categories and professions; pricing comes from each vendor's public page as of November 2026; tools were not hands-on tested. How we choose and verify.
| Alternative | Best for | Pricing |
|---|---|---|
| Canva | Non-designers and teams that need polished visual content quickly. | Freemium: Free plan; see vendor pricing |
| Buffer | Small teams and creators managing social channels. | Freemium: Free plan; paid from $5/month per channel |
| HubSpot Marketing Hub | Marketing teams running campaigns on a CRM. | Freemium: Free plan; paid from $7/seat/month |
| Attentive | Mid-market and enterprise retail brands running high-volume SMS and email marketing. | Paid: Custom / contact sales |
| Klaviyo | Ecommerce teams building retention and lifecycle marketing. | Freemium: Free plan; see vendor pricing |
| Yotpo | Ecommerce brands that want review collection plus visibility in AI shopping assistants. | Freemium: Free plan (up to 50 monthly orders); paid from $89/month |
| AdCreative.ai | Performance marketers and agencies producing ad creatives. | Paid: From $39/month billed monthly (Starter) |
| Jasper | Marketing teams producing on-brand copy at volume. | Paid: From $59/seat/month billed yearly ($69 billed monthly) |
FAQ
What is Postscript used for?
AI-native retention marketing platform running SMS, RCS and email journeys on a shared customer-context layer. Shopify and DTC brands running high-volume SMS with a dedicated retention program.
How much does Postscript cost?
As of November 2026, Postscript pricing is listed as paid: From $100/month (Growth); Starter $0/month plus a $49 monthly minimum spend. Monthly plans seen: Starter ($0/month plus $49 monthly minimum spend), Growth ($100/month), Professional ($500/month), Enterprise (contact us). Postscript AI Plan $699/month with per-message rates of $0.003–$0.30. Free trial gives a $100 credit for the first 30 days.
What are alternatives to Postscript?
Related alternatives to Postscript in this directory include Canva, Buffer, HubSpot Marketing Hub, Attentive, Klaviyo, Yotpo, AdCreative.ai, Jasper. Each alternative has a best-for summary and its own pricing on its tool page.
Is Postscript SMS-only?
No. The current site presents SMS, RCS and email on one platform, with email pricing marked as waitlist-only. SMS remains the core channel and the published plans are SMS plans.
Source: postscript.io, as of November 1, 2026.
Last updated 2026-11-01. Postscript is a trademark of its owner; this site is independent and not affiliated.