FEATURES
Top reasons companies choose us over Klaviyo
Send dynamic mobile messages like in-app, push, and SMS, alongside email to engage users wherever they are in their lifecycle.
Built to scale
From small startups to global enterprise companies with hundreds of millions of users, we built our platform to grow alongside you.
Compliance made easy
Ensure security standards such as GDPR, CCPA, HIPAA, and SOC 2 Type II, are met.
Customer.io | Klaviyo | |
|---|---|---|
Unlimited segmentation | Yes | No |
HIPAA compliance | Yes | No |
Mobile SDKs | Yes | No |
Anonymous event tracking | Yes | No |
Data warehouse sync and Reverse ETL included | Yes | No |
World-class support | Yes | No |
Customers love us
Preferred by product-led companies

Up until now, we’ve sold primarily through e-commerce channels. Now, we’re going much more omnichannel and want to integrate our product much more closely with our email marketing, we made the switch from Klaviyo to Customer.io.
Daan Goossens
VP of Growth


We know how important data is. Not only that, but to own your own data. That’s why we chose Customer.io.
Daniel Sand
CEO


We know how important data is. Not only that, but to own your own data. That’s why we chose Customer.io.
Diego Schocher
Business Architect









