8 Best SMS Marketing Tools for Customer Engagement in 2026
SMS marketing delivers 98% open rates and instant customer reach. The right platform handles compliance, segmentation, and automation. We tested 15 SMS marketing tools to find which deliver the best combination of deliverability, features, and pricing.
Klaviyo unifies email and SMS for e-commerce. Segment customers the same way across channels. Automated flows trigger SMS based on behavior. The ROI tracking shows exactly what SMS drives.
Starting price$15/mo
Strengths
Unified email + SMS
E-commerce flows
Smart segmentation
Revenue attribution
Shopify integration
Predictive analytics
Limitations
Can be expensive
Complex for simple needs
Learning curve
Who it's for: Best for e-commerce brands wanting unified messaging.
Attentive is the enterprise leader in SMS marketing. AI optimizes send times and content. Compliance is handled thoroughly. Best for brands doing serious SMS volume.
Starting priceCustom
Strengths
Enterprise scale
AI optimization
Compliance leader
Great deliverability
Two-way messaging
Dedicated support
Limitations
Enterprise pricing
Overkill for small
Sales process
Who it's for: Best for enterprise brands with serious SMS programs.
Postscript is built specifically for Shopify stores. The pop-up builder grows your list. Automated flows handle cart abandonment and post-purchase. Revenue attribution is clear.
Twilio provides the API infrastructure. Build exactly what you need with full control. Pay per message with no platform fee. Requires development resources.
Starting pricePer message
Strengths
Most flexible
API-first
Global reach
Pay per use
Build anything
Reliable
Limitations
Requires development
No built-in UI
Compliance is DIY
Who it's for: Best for teams with developers wanting full control.
SimpleTexting makes SMS marketing easy. Set up campaigns in minutes. Keywords for list building, scheduled sends, and basic automation. Great for getting started.
Starting price$29/mo
Strengths
Very easy to use
Quick setup
Affordable
Keywords
MMS support
Good support
Limitations
Basic automation
Limited segmentation
Less e-commerce
Who it's for: Great for SMBs wanting simple SMS marketing.
SlickText focuses on SMB use cases. Text-to-win contests, loyalty programs, and appointment reminders. Good value for small businesses with straightforward needs.
Starting price$29/mo
Strengths
SMB focus
Text-to-win
Loyalty programs
Appointments
Affordable
Good support
Limitations
Less automation
Basic analytics
Limited integrations
Who it's for: Good for local businesses and simple campaigns.
TextMagic offers simple business SMS with global coverage. Pay per message, send internationally, and manage contacts. Good for transactional and basic marketing.
Starting pricePer message
Strengths
Global coverage
Simple pricing
Business focus
API available
Transactional
Easy setup
Limitations
Basic marketing features
Less automation
Limited e-commerce
Who it's for: Good for international and transactional SMS.
Postscript is SMS-only and simpler. Klaviyo unifies email + SMS but is more complex. If you already use Klaviyo for email, add SMS there. Otherwise, Postscript is excellent.
Expect $0.01-0.05 per SMS depending on volume. A 10,000 subscriber list sending 4x/month costs $400-2000/month plus platform fees.
All platforms listed help with consent collection. You're still responsible for getting proper opt-ins. Use double opt-in and clear terms.
