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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.

Customer.io

Messaging across email, push, in-app.

Marketing AutomationPaid · $100/mo (Essentials)
Visit Customer.io
Klaviyo

E-commerce email and SMS marketing platform.

Newsletters & EmailFreemium · $20/mo
Visit Klaviyo
At a glanceCustomer.ioKlaviyo
Pricing
$100/mo (Essentials)
$20/mo
Pricing model
Paid
Freemium
Founded
2012
2012
Location
Boston, USA
Bootstrapped
Open source
Category
Marketing Automation
Newsletters & Email
Indie alternatives
4
5
Founders
Colin Nederkoorn, John Allison
Andrew 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.

Founders of Customer.io

  • Colin NederkoornCo-founder & CEO
  • John AllisonCo-founder

Founders of Klaviyo

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