# SMS Marketing Platforms Compared
SMS Marketing Platforms Compared
SMS tools that stay compliant while driving conversions with segmented messaging.
Quick Picks
- Attentive: Best enterprise-grade SMS for retail
- Postscript: Best Shopify-first SMS
- Klaviyo SMS: Best when you already use Klaviyo email
Pricing Snapshot
| Tool | Entry | Mid | Notes |
|---|---|---|---|
| Attentive | Usage-based | White-glove strategy and compliance | |
| Postscript | $0 plus usage | Shopify automation and flows | |
| Klaviyo SMS | Usage-based | Single customer view with email |
What to Look For
- Compliance (TCPA/CTIA), quiet hours, consent capture
- MMS support, short codes vs toll-free
- Segmentation with purchase and browse data
- Two-way conversations and support handoff
Tool Notes
Attentive
- Strong compliance guardrails
- Great creative and strategy help
- Pricier but high-touch
Postscript
- Built for Shopify with deep triggers
- Great for flows and two-way replies
- Clear pricing; easy start
Klaviyo SMS
- Unified with email and onsite forms
- Segment once, use across channels
- Works best if Klaviyo runs email already
Final Recommendation
Pick the option that matches your stack, team size, and compliance needs. Start with one tool, measure outcomes, and upgrade only when you hit the limits.
Try the leaders: Attentive | Postscript | Klaviyo SMS
Leave a Reply