Marketing Automation comparison
Klaviyo vs Customer.io for Marketing Automation 2026
We compare Klaviyo and Customer.io side-by-side for Marketing Automation workloads — pricing, geo-coverage, protocol support, and real-world reliability.
Our pick for Marketing Automation
Klaviyo
Rated 4.8/5 overall
| Winner Klaviyo | Customer.io | |
|---|---|---|
| Rating | ★★★★ 4.8 | ★★★★ 4.7 |
| Starting price | $20.0/month | $100.0/month |
| Countries | — | — |
| Types | ecommerce, automation | automation |
| Free trial | No | Yes |