customer.io

Category - Email Marketing, SMS Marketing

Customer.io sends targeted emails, push notifications, and SMS to lower churn, and create stronger relationships.


We have discovered  3,035 live websites   that are using customer.io.

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Technology usage statistics

Websites using customer.io3,035 websites
Most popular in the country United States
Market position in Email Marketing#77
Market share in Email Marketing<0.1%

Technology adoption

Recent changes in customer.io usage. (See customer.io Usage Changes report)
Websites that added customer.io+133
Websites that dropped customer.io-92

customer.io usage distribution by website rank

The correlation between utilization of customer.io technology and the relative popularity of websites

Market Share

customer.io market share within the Email Marketing category



Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing customer.io

Top websites that use customer.io
DomainCountryRankContacts
www.flaticon.com Netherlands1,748
app.acuityscheduling.com United States1,916
www.gitbook.com United States1,964
mapbox.com United States2,077
www.trustedsite.com United States2,093
www.offset.com United States2,275
See full domain list

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Klaviyo: Total 182,436 domains found using Klaviyo
Constant Contact: Total 138,918 domains found using Constant Contact
Mailjet: Total 138,270 domains found using Mailjet
Mailer Lite: Total 124,656 domains found using Mailer Lite
ActiveCampaign: Total 102,677 domains found using ActiveCampaign