Constant Contact vs Klaviyo vs Litmus
| Attribute | |||
|---|---|---|---|
| Category | Email Marketing | Email & Messaging Marketing | Email Marketing |
| Pricing | Paid | Free tier | Contact sales |
| Starting price | $12/month | $20/month | Contact sales |
| Free tier | No | Yes | No |
| Free trial | Yes | No | No |
| Deployment | Cloud | — | — |
| API available | Unknown | Yes | Unknown |
| Platforms | — | — | — |
| Certifications | — | 4 | — |
| Integrations | — | 2 | 3 |
| Company | Founded 1995 | Founded 2012 | — |
| Feature attributes | |||
| Sso Saml | — Unknown | ✓ Yes | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | ✓ Yes | — Unknown |
| Data Export | — Unknown | ✓ Yes | — Unknown |
| Email Automation | — Unknown | — Unknown | — Unknown |
| Sms Marketing | — Unknown | ✓ Yes | — Unknown |
| Templates | — Unknown | ✓ Yes | — Unknown |
| Segmentation | — Unknown | ✓ Yes | — Unknown |
| Deliverability Tools | — Unknown | ✓ Yes | — Unknown |
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.