Customer.io
Automate campaigns using your product’s event data
Deals for Customer.io
Automate campaigns using your product’s event data
Customer.io 14-day free trial
Start Free TrialWhat Customer.io does
Customer.io is a marketing automation platform catering primarily to product-led businesses that want to engage their users through behaviour-triggered messages. It uses event data from web and mobile apps to deliver targeted email, push, SMS, or in-app messages to users based on their interactions and lifecycle stages.
Its core strength is integrating customer event data to power personalised campaigns and customer journeys, helping teams drive activation, retention, or conversions without heavy reliance on engineers. The product typically connects with your app or website to sync real-time events, offering a rules-based workflow builder for non-technical users. Customer.io is often adopted by SaaS products and digital services looking for more granular user targeting than generic email marketing tools.
What sets it apart
Deeper use of real-time event data to automate and segment messaging beyond standard email lists.
Key features
- ◆Event-triggered messaging
- ◆Email, SMS, and in-app support
- ◆Visual workflow builder
- ◆Real-time user segmentation
- ◆A/B campaign testing
- ◆API for custom integration
- ◆Detailed delivery analytics
What teams use it for
- Send onboarding sequences based on user actions
- Retarget users who abandon a signup process
- Deliver product updates to active users
- Nurture free trial users into paying customers
Pros
- +Advanced segmentation by event and attribute
- +Multi-channel messaging options
- +Supports custom event data via API
- +Flexible workflow automation
Cons
- −Setup can be complex for smaller teams
- −Steeper learning curve than basic email tools
- −Requires ongoing data integration maintenance
Integrates with
Our verdict
Well-suited for SaaS and digital products aiming to send personalised, behaviour-based messages at scale. Teams needing lightweight, simpler email marketing may find it more than they need or complex to configure.
Frequently asked questions
Does Customer.io support real-time event-based messaging?+
Yes, messages can be triggered in real time based on event data from your app or website.
Which channels can I use for campaigns?+
You can send targeted messages via email, SMS, push notifications, and in-app messages.
Do I need developer resources to implement Customer.io?+
Initial setup and ongoing data integration typically require some technical resources, especially to sync your product’s event data.
Where can I find current pricing details?+
For up-to-date pricing information, visit Customer.io’s official pricing page.
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