Campaign Monitor vs Klaviyo
Campaign Monitor and Klaviyo are both popular choices in the email marketing platform space. Campaign Monitor has been around since 2004, giving it a 8-year head start over Klaviyo (founded 2012). Campaign Monitor 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 Campaign Monitor does not. Klaviyo has the edge with landing pages.
Quick Verdict
Campaign Monitor wins on price.
Klaviyo wins on deliverability, rating, integrations, free tier.
Best for most users: Klaviyo (ecommerce).
Campaign Monitor
Beautifully crafted email marketing
Campaign Monitor is particularly well-suited for agencies and brands that need polished, branded email campaigns. Its client management features and beautiful template builder make it a popular choice for marketing agencies managing multiple client accounts.
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 | Campaign Monitor | Klaviyo |
|---|---|---|
| Rating | 4.1/5 | 4.6/5 |
| Starting Price | $12/mo | $20/mo |
| Free Plan | No free plan | 250 subscribers |
| Founded | 2004 | 2012 |
| Email Templates | 120 | 100 |
| Integrations | 250 | 350 |
| Deliverability Rate | 97.5% | 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 | ✓ | ✓ |
Campaign Monitor: Pros & Cons
Pros
- +Excellent email template builder
- +Strong agency features and client management
- +Good deliverability
- +Time zone sending optimization
- +Link review feature prevents broken links
Cons
- −No free plan
- −Lite plan caps at 2,500 emails
- −Premier plan expensive ($159/mo)
- −No landing page builder
- −Limited automation on lower tiers
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 Campaign Monitor's 4.1/5. The gap comes mainly from deliverability (4.7 vs 4) and value for money (4.6 vs 4.1). On deliverability, Klaviyo reports 99% compared to 97.5% for Campaign Monitor — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Campaign Monitor | Klaviyo |
|---|---|---|---|
| Starting Price | 30% | $12/mo | $20/mo |
| Deliverability | 25% | 97.5% | 99% |
| Rating | 25% | 4.1/5 | 4.6/5 |
| Integrations | 10% | 250 | 350 |
| Free Tier | 10% | No | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Campaign Monitor if…
- + You want lower starting costs ($12/mo)
- + You're a agencies
- + You're a brands
Choose Klaviyo if…
- + You need a free plan to get started
- + You need built-in landing pages
- + You're a ecommerce
- + You're a shopify