Postscript vs VYG.AI (Voyage SMS)
A side-by-side comparison for e-commerce sellers — platforms, pricing, free trials and ROI.
SMS marketing and AI workflows for Shopify that check the whole customer profile before every send
| Category | Email & SMS | Email & SMS |
|---|---|---|
| Platforms | Shopify DTC | Shopify DTC |
| Pricing | Free trial; usage-based, paid plans from $100/mo | — |
| Free trial | Yes | No |
| Affiliate program | Direct | — |
| ROI | Turns SMS into a measurable revenue channel, with top brands earning a strong multiple on every dollar of texting spend. | Stop sending tone-deaf SMS flows to customers who just ordered or are mid-refund. |
Which should you choose?
Shopify and Shopify Plus DTC brands that want SMS as a dedicated, high-converting revenue channel.
Shopify brands with meaningful SMS revenue who want smarter, context-aware flows.
Postscript
Pros
- Deeply integrated with Shopify and Shopify Plus data
- Strong compliance and deliverability for US texting
- Conversational selling features drive measurable replies and revenue
Cons
- Shopify-only, so not an option for WooCommerce or Amazon sellers
- Usage-based pricing plus message costs add up at scale
- SMS-focused, so you still need a separate email tool
VYG.AI (Voyage SMS)
Pros
- Addresses the classic 'flow fires on one trigger' problem
- Built specifically for e-commerce SMS
- Hands-on onboarding
Cons
- Workflows product is still in beta
- No public pricing
- Fewer channels than all-in-one platforms
Other tools to consider
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AI-driven ecommerce personalization and product recommendations for Shopify brands
Easy, low-cost mass SMS marketing with automation and keywords
Influencer, affiliate and referral programs that turn customers and creators into a sales channel