Life & fun · alternatives · 2026

24 alternatives to Customer.io

Send email based on what people do (or don't do) in your app

Customer.io is a customer engagement platform that enables businesses to send personalized messages across email, push, SMS, and in-app channels based on user behavior and actions. It allows teams to create automated… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Customer.io launched in 2014; newer entries below may have overtaken it.

1. 1
   My first screencast. 2 hours spent for every minute of video▲14

   Customer.io is a customer engagement platform for creating personalized journeys and better business outcomes across email, push, SMS, and in-app messaging.

   2012 · customer.io · its alternatives →

2. 2
   Customer.io Summer Release▲142

   New ways to reach customers in the moments that matter

   Jul 2026 · customer.io · its alternatives →

3. 3
   Customer.io Actions▲206

   Send messages across any channel - from push to postcards

   2016 · docs.customer.io · its alternatives →

4. 4
   Sendbird AI agent for customer service▲544

   Delightful customer experiences with omnichannel AI

   2025 · sendbird.com · its alternatives →

5. 5
   Dashly.io (ex. Carrrot.io)▲299

   Turn visitors into customers with data driven conversation

   2018 · dashly.io · its alternatives →

6. 6
   Threads.io▲257

   Trigger automated behavior-driven emails (by SendGrid).

   2015 · its alternatives →

7. 7
   Customer Portal▲296

   Redefine how customers engage and experience value with you

   2024 · rocketlane.com · its alternatives →

8. 8
   Message.io▲296

   Bots that work everywhere

   2016 · its alternatives →

9. 9
   Twilio Engage▲123

   Build hyper-personalized end-to-end marketing campaigns

   2021 · twilio.com · its alternatives →

10. 10II
    Insights into billions of daily smartphone notifications▲58

    Batch — AI Customer Engagement Platform (CEP) — Email, SMS, Push & Marketing Automation

    2014 · batch.com · its alternatives →

11. 11
    CustomerIQ▲144

    Turn feedback into revenue with AI

    2024 · getcustomeriq.com · its alternatives →

12. 12
    Prospect.io - Sales Automation▲310

    Sales prospecting automation

    2016 · overloop.com · its alternatives →

13. 13
    Front API▲298

    Browse all emails, SMSs, chat, tweets to & from your company

    2016 · front.com · its alternatives →

14. 14
    Customer.io▲2

    Send email based on what your customers are actually doing

    2014 · customer.io · its alternatives →

15. 15
    Customerly Aura▲144

    AI assistant for support teams

    2024 · customerly.io · its alternatives →

16. 16
    Channel.io▲73

    An all-in-one business OS for startups looking to scale

    2022 · channel.io · its alternatives →

17. 17
    Mailgo▲469

    AI-powered cold email platform that boosts deliverability

    2025 · mailgo.ai · its alternatives →

18. 18
    Thanks.io▲146

    Direct mail automation platform

    2023 · thanks.io · its alternatives →

19. 19
    GroHawk▲72

    Customer engagement platform

    2017 · its alternatives →

20. 20
    ShoutOUT▲177

    Send personalized bulk SMS to customers

    2022 · getshoutout.com · its alternatives →

21. 21
    CRM.io▲30

    The All-in-One AI-Powered CRM Software

    2025 · crm.io · its alternatives →

22. 22
    Insight7▲309

    Automate customer research to build products customers want

    2023 · insight7.io · its alternatives →

23. 23
    Kissmetrics▲121

    Customer engagement automation

    2017 · its alternatives →

24. 24
    Ortto▲145

    Marketing automation driven by a customer data platform & AI

    2022 · ortto.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →