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Best Customer.io Alternatives in 2026

12 platforms from email marketing software ranked against Customer.io on the same published basis.

  1. 1
    AWeber Free plan apiWeb $4.99/mo7.4
    Customer.io vs AWeber
  2. 2
    GetResponse Free trial AndroidapiiOSWeb $1915.58/mo7.4
    Customer.io vs GetResponse
  3. 3
    Mailjet Free plan apiWeb $9/mo7.4
    Customer.io vs Mailjet
  4. 4
    DirectIQ Free plan apiWeb $19/mo7.3
    Customer.io vs DirectIQ
  5. 5
    Sender Free plan apiWeb $6.30/mo7.3
    Customer.io vs Sender
  6. 6
    Twilio SendGrid Free plan api $19.95/mo7.3
    Customer.io vs Twilio SendGrid
  7. 7
    Audienceful Free plan apiWeb $2.42/mo7.2
    Customer.io vs Audienceful
  8. 8
    Litmus Free trial apiextensionWeb $99/mo6.6
    Customer.io vs Litmus
  9. 9
    Privy Free trial apiWeb $24/mo6.6
    Customer.io vs Privy
  10. 10
    arrobaMail Free plan Web ARS 5,290/mo5.9
    Customer.io vs arrobaMail
  11. 11
    Direct Mail Free plan MaciOS Free5.9
    Customer.io vs Direct Mail
  12. 12
    Klaviyo Free plan Web Free5.9
    Customer.io vs Klaviyo
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