Customer.io vs Klaviyo

Both sit in email marketing. Here is how they differ on the things you can actually check.

Customer.io

customer.io

Triggers messages from product events rather than lists — email, push, in-app and SMS driven by what a user actually did. Data-warehouse-friendly.

Email Marketing
Visit Customer.io

Klaviyo

klaviyo.com

Marketing automation that plugs directly into store data — browse and purchase behaviour drive segments, flows and predictive audiences. Heavily used on Shopify.

Free planEmail Marketing
Visit Klaviyo
Customer.io and Klaviyo compared attribute by attribute
 Customer.ioKlaviyo
Entry price$100/mo$20/mo
Pricing modelFree trialFree plan
Free planNoYes
CategoryEmail MarketingEmail Marketing
Around since20122012

Prices are indicative entry-tier figures, not verified quotes. Both vendors change pricing without notice.