Constant Contact vs Klaviyo: Which Is Better in 2026?
Quick Verdict
Constant Contact and Klaviyo serve fundamentally different markets within email marketing: Constant Contact is built for small businesses and non-profits seeking simplicity and hands-on support, while Klaviyo is engineered for e-commerce brands needing advanced data-driven marketing and SMS capabilities. The choice between them depends entirely on your business type—Constant Contact excels at ease of use and customer service, whereas Klaviyo dominates in sophisticated automation and revenue-focused segmentation.
Pricing Comparison
| Plan | Constant Contact | Klaviyo |
|---|---|---|
| Lite | $20/mo | Free |
| Standard | $45/mo | $20/mo |
| SMS | — | $20/mo |
| Email + SMS | — | $35/mo |
Feature Comparison
| Feature | Constant Contact | Klaviyo |
|---|---|---|
| AI Subject Line Recommendations | N/A | |
| Send-Time Optimization | N/A | |
| Event Marketing | N/A | |
| Drag-and-Drop Editor | N/A | |
| Email Marketing | N/A | |
| SMS Marketing | N/A | |
| Push Notifications | N/A | |
| Segmentation & Targeting | N/A | |
| Marketing Automation | N/A | |
| AI-Powered Content | N/A | |
| Predictive Analytics | N/A | |
| Real-time Analytics Dashboard | N/A | |
| E-commerce Integrations | N/A | 100+ |
| API Access | N/A | |
| SOC 2 Compliance | N/A | |
| 24/7 Customer Support | N/A | |
| Dynamic Content Blocks | N/A |
Pros & Cons
Constant Contact
Pros
- Excellent customer support (phone and chat)
- Very user-friendly interface
- Pre-designed professional templates
- Event marketing and survey tools
- Reliable email deliverability
Cons
- Limited advanced automation capabilities
- Pricing higher than some competitors
- Fewer integrations than larger platforms
Klaviyo
Pros
- Powerful first-party data collection and CDP capabilities
- Excellent integration with Shopify and e-commerce platforms
- Strong email deliverability and SMS channel support
- Advanced segmentation and behavioral trigger automation
Cons
- High pricing that scales steeply with subscriber growth
- Steep learning curve for advanced features
- Limited customer support on lower-tier plans
Conclusion
Choose Constant Contact if you're a small business, service provider, or non-profit prioritizing user-friendliness and accessible customer support over advanced features. Select Klaviyo if you're an e-commerce brand with meaningful customer data and SMS marketing needs, and can navigate a steeper learning curve to unlock powerful segmentation and behavioral automation that drives revenue growth.
Related Comparisons
The best AI tools, in your inbox
A weekly roundup of the top-rated tools, new launches, and expert tips — no spam, unsubscribe anytime.
Join 2,500+ product leaders and marketers.