Customer.io logo

Customer.io

Cross-channel automation for email, SMS, push, and in-app messaging

Customer.io provides a customer engagement platform for email, push, SMS, and in-app messaging.

Customer.io runs lifecycle messaging across email, sms, push, and in-app from one workflow engine, with flows triggered by real user behavior instead of static schedules. Good fit for brands that need cross-channel orchestration and want to retire a separate esp, push tool, and cdp.

What Customer.io does for Shopify brands

  • Behavioral triggers fire flows on real user actions, not static schedules
  • Welcome, abandoned cart, post-purchase & winback drive 25-40% of ecom revenue
  • sms, mobile push & in-app unified in one workflow engine, no second tool
  • Event-based push & in-app reactivate lapsing users where email cannot reach
  • Replaces separate esp + push tool + cdp, cuts total martech spend

Overview

Customer.io sells a customer engagement platform that combines customer data, messaging and an AI Agent. Teams use it to build automated, cross-channel campaigns (email, SMS, push, in-app, WhatsApp) based on customer behavior and data.

Pricing
Essentials starts at $100 per month, billed monthly, and includes 5,000 profiles and 1 million emails. Premium starts at $1,000 per month, billed yearly, with custom volume pricing. Enterprise is a custom quote. A 14-day free trial is offered, and companies that raised under $10M can get 12 months free.

Products

  • Journeys Builds automated, multi-step cross-channel campaigns that respond to customer behavior.
  • Audiences Creates segments from profile data, events and behaviors that update as data changes.
  • Data & integrations Collects, unifies and routes first-party data through sources, destinations, APIs and webhooks.
  • Design Studio Visual and code editors for creating messages, with reusable components and AI translation.
  • Analytics Reports on campaigns with conversion goals, A/B testing and AI-powered insights.
  • AI Agent Builds automations, segments and content and analyzes campaign performance from prompts; listed as beta.

Integrations

Amazon S3AmplitudeBranchSalesforceFacebook Lead AdsGoogle AdsMixpanelSnowflakeTwilioTypeformSegmentHubSpotGoogle CloudClaudeCursorLINEWhatsApp

Buyer notes

  • 14-day free trial, no credit card required.
  • Email and chat support are available; Premium adds 90-day onboarding support and Enterprise adds migration support.
  • US and EU data centers are included on all plans.
  • Lists GDPR, CCPA, ISO 27001, AICPA SOC and HIPAA; HIPAA compliance is not included on Essentials.

From Customer.io's own site and Shopify App Store listings, as of 2026-10-20.

How much does Customer.io cost?

Essentials starts at $100 per month, billed monthly, and includes 5,000 profiles and 1 million emails. Premium starts at $1,000 per month, billed yearly, with custom volume pricing. Enterprise is a custom quote. A 14-day free trial is offered, and companies that raised under $10M can get 12 months free.

Updated 2026-09-10. Method notes and every source: how we count →

Related Shopify apps