Side-by-side
Customer.io vs Klaviyo
Pricing, founders, indie status and curated alternatives compared from our directory — all data points sourced from each tool's public site or press materials.
At a glanceCustomer.ioKlaviyo
At a glance
- Pricing
- Customer.io$100/mo (Essentials)
- Klaviyo$20/mo
- Pricing model
- Customer.ioPaid
- KlaviyoFreemium
- Founded
- Customer.io2012
- Klaviyo2012
- Location
- Customer.io—
- KlaviyoBoston, USA
- Bootstrapped
- Customer.io—
- Klaviyo—
- Open source
- Customer.io—
- Klaviyo—
- Category
- Customer.ioMarketing Automation
- KlaviyoNewsletters & Email
- Indie alternatives
- Customer.io4
- Klaviyo5
- Founders
- Customer.ioColin Nederkoorn, John Allison
- KlaviyoAndrew Bialecki, Ed Hallen
Key differences
Pricing
Klaviyo starts cheaper at $20/mo; Customer.io starts at $100/mo (Essentials).
Funding
Both are venture-backed.
Founded
Both founded in 2012.
Category
Customer.io sits in Marketing Automation; Klaviyo sits in Newsletters & Email.
Indie alternatives
Customer.io has 4 curated indie alternatives in our directory; Klaviyo has 5.
Differences are derived directly from the data on each tool's page. Empty fields mean we haven't verified a value yet — never that one tool lacks the capability.
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