Constant Contact vs Klaviyo
Constant Contact is a all-in-one marketing platform while Klaviyo is a email marketing platform. Constant Contact has been around since 1995, giving it a 17-year head start over Klaviyo (founded 2012). Constant Contact is the more affordable option at $12/mo — that's $8 less than Klaviyo's $20/mo entry point. Klaviyo offers a free plan (250 subscribers), while Constant Contact does not.
Quick Verdict
Constant Contact wins on price.
Klaviyo wins on deliverability, rating, integrations, free tier.
Best for most users: Klaviyo (ecommerce).
Constant Contact
Small business marketing made easy
Constant Contact is one of the most established email marketing platforms, particularly strong for small businesses and nonprofits. Its event marketing capabilities and social media integration set it apart, though its automation features lag behind newer competitors.
Klaviyo
The platform for unified customer data
Klaviyo is the gold standard for ecommerce email and SMS marketing, particularly for Shopify stores. Its deep integration with ecommerce platforms enables sophisticated automated flows like abandoned cart, post-purchase, and win-back sequences based on real purchase data.
Feature Comparison
| Feature | Constant Contact | Klaviyo |
|---|---|---|
| Rating | 4.1/5 | 4.6/5 |
| Starting Price | $12/mo | $20/mo |
| Free Plan | No free plan | 250 subscribers |
| Founded | 1995 | 2012 |
| Email Templates | 300 | 100 |
| Integrations | 300 | 350 |
| Deliverability Rate | 97% | 99% |
| Marketing Automation | ✓ | ✓ |
| A/B Testing | ✓ | ✓ |
| Landing Pages | ✓ | ✓ |
| Segmentation | ✓ | ✓ |
| Drag & Drop Editor | ✓ | ✓ |
| SMS Marketing | ✓ | ✓ |
| Ecommerce Features | ✓ | ✓ |
| API Access | ✓ | ✓ |
| Multi-Language | ✕ | ✓ |
| Web Push Notifications | ✕ | ✕ |
| Live Chat | ✓ | ✕ |
| Advanced Analytics | ✓ | ✓ |
Constant Contact: Pros & Cons
Pros
- +Longest 60-day free trial in the industry
- +Excellent event marketing features
- +300+ templates and integrations
- +Strong brand recognition and trust
- +Social media posting included
Cons
- −No free plan
- −Automation is basic on lower tiers
- −Gets expensive with larger lists
- −Interface feels outdated in places
- −Limited advanced features
Klaviyo: Pros & Cons
Pros
- +Best-in-class ecommerce integrations (Shopify, WooCommerce)
- +Powerful segmentation with predictive analytics
- +Excellent deliverability (99%+)
- +Revenue attribution for every email and SMS
- +Deep customer data platform capabilities
Cons
- −Expensive for large lists
- −Steep learning curve
- −Free plan very limited (250 contacts)
- −SMS credits sold separately
- −Can be overkill for non-ecommerce businesses
The Verdict
Klaviyo edges ahead with a 4.6/5 rating compared to Constant Contact's 4.1/5. The gap comes mainly from deliverability (4.7 vs 3.9) and value for money (4.6 vs 4). On deliverability, Klaviyo reports 99% compared to 97% for Constant Contact — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Constant Contact | Klaviyo |
|---|---|---|---|
| Starting Price | 30% | $12/mo | $20/mo |
| Deliverability | 25% | 97% | 99% |
| Rating | 25% | 4.1/5 | 4.6/5 |
| Integrations | 10% | 300 | 350 |
| Free Tier | 10% | No | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Constant Contact if…
- + You want lower starting costs ($12/mo)
- + You're a small businesses
- + You're a nonprofits
Choose Klaviyo if…
- + You need a free plan to get started
- + You're a ecommerce
- + You're a shopify