Postscript
Postscript is an SMS and MMS marketing platform built for Shopify ecommerce brands to run text campaigns, automations, and two-way conversations.
What is Postscript?
Postscript is an SMS marketing platform purpose-built for Shopify ecommerce merchants, offering text campaigns, automated flows, subscriber acquisition tools, and two-way messaging. It focuses on driving measurable revenue from SMS through deep Shopify data integration and analytics. Pricing combines optional monthly platform fees with per-message usage rates.
Best known for: A leading Shopify-native SMS marketing platform for DTC brands.
Key features
- Visual automation and flow builder
- Advanced subscriber segmentation
- SMS/MMS campaigns and pop-up opt-in tools
- Two-way conversational messaging and response management
- Revenue and performance analytics
- Deep Shopify integration
Who Postscript is best for
- Shopify DTC ecommerce brands
- Marketing teams scaling SMS revenue
- Merchants wanting SMS alongside email
Ideal team: Best for Shopify-based ecommerce brands with a dedicated marketing owner who wants SMS to become a measurable revenue channel.
Postscript pricing
Starter
$0
- No monthly platform fee (usage-based, per-message rates apply)
- Campaigns, automations, and unlimited segments
- Dedicated toll-free number and branded short links
Growth
$100/flat / mo + usage
- Lower per-message SMS/MMS rates than Starter
- Unlimited opt-in keywords
- Live chat and email support
Professional
$500/flat / mo + usage
- Lowest standard per-message rates
- API access and enhanced analytics
- Removes 'Powered by Postscript' branding
Enterprise
Custom
- Dedicated onboarding specialist
- Priority support and data warehouse push
- Custom messaging and volume terms
Costs to watch before you commit
- Per-message carrier fees are passed through on top of listed SMS/MMS rates, so real costs scale with send volume.
- MMS messages cost roughly 3x the SMS rate, inflating spend on image-heavy campaigns.
- One-time 10DLC/toll-free brand registration fees may apply to comply with carrier rules.
- Higher tiers carry a fixed monthly platform fee ($100–$500) in addition to usage charges.
Top Postscript alternatives
Popular SMS & Chat Marketing tools teams evaluate alongside Postscript.
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ManychatManychat is a chat marketing platform for automating conversations and campaigns across Instagram, WhatsApp, Facebook Messenger, SMS, and email.
SalesmsgSalesmsg is a two-way business texting and calling platform for sending and receiving SMS, MMS, and mass texts from a real phone number.
SimpleTextingSimpleTexting is a cloud-based SMS and MMS marketing platform for sending mass texts, two-way conversations, and automated campaigns to customer lists.