Postscript SMS for Shopify (US focus)
US-first SMS stack when SMS is a primary channel.
PAID · SMS · Volume-based
What the app actually does
- SMS marketing
- Automations
- US ecosystem integrations
Free vs paid
Paid by messages/base size.
My step-by-step install
- US compliance (TCPA)
- SMS segments
- Light A/B testing
When I recommend it
- Meaningful US revenue
- SMS as strategic channel
When I advise against it
- France-only : often Klaviyo SMS is enough
Performance impact
- Limited storefront impact; cost/compliance matter more.
Concrete example
US brand: VIP SMS journeys with behavioural segments.
Alternatives
- Klaviyo SMS : For mixed markets.