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Best Customer.io Alternatives in 2026

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

  1. 1
    GetResponse Free trial AndroidapiiOSWeb $1915.58/mo7.9
    Customer.io vs GetResponse
  2. 2
    Direct Mail Free plan MaciOS Free7.8
    Customer.io vs Direct Mail
  3. 3
    Mailchimp Free plan WebiOSAndroid Free7.8
    Customer.io vs Mailchimp
  4. 4
    MailerLite Free plan iOS $12/mo7.8
    Customer.io vs MailerLite
  5. 5
    Campayn WebiOS $19/mo7.7
    Customer.io vs Campayn
  6. 6
    SendPulse Free plan WebiOSAndroid $9.60/mo7.7
    Customer.io vs SendPulse
  7. 7
    Twilio Segment Free plan WebiOSAndroid $120/mo7.7
    Customer.io vs Twilio Segment
  8. 8
    Brevo Conversations Free plan WebiOSAndroid $15/mo7.6
    Customer.io vs Brevo Conversations
  9. 9
    Zoho Campaigns Free plan WebiOSAndroid Free7.6
    Customer.io vs Zoho Campaigns
  10. 10
    Substack WebiOSAndroid 7.3
    Customer.io vs Substack
  11. 11
    ActiveCampaign Free trial WebiOSAndroid 7.0
    Customer.io vs ActiveCampaign
  12. 12
    Constant Contact WebAndroid 6.8
    Customer.io vs Constant Contact
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