Turn mobile moments into action
- 14-day free trial
- No credit card required
- Cancel anytime
The customer engagement platform trusted by 9,000+ brands
One platform for all your mobile messages
Multi-channel by design
Reach people on push, in-app, SMS, and more, all powered by one shared customer profile.
Personalization at every touchpoint
Combine behavioral data, segmentation, and AI to tailor every message so it earns attention instead of competing for it.
Made for marketers and devs
Launch campaigns faster while giving engineering complete control over implementation.
Measurement in one place
See performance across all your channels at a glance, so you can prove impact and keep improving.
“
Customer.io is the most intuitive and robust omnichannel messaging platform I’ve ever used. They beat the competition out of the water.
Higher engagement rates
Increase in referrals
Lift in monthly revenue
Multi-channel strategy conversion
Everything you need
to build smarter customer engagement
Reach customers the moment it matters
Draw customers back at the right moment
Use behavioral data and lifecycle signals to reach customers when they're most likely to act.
- Re-engage customers based on behavior, including inaction
- Send marketing and transactional push from one platform
- Drive action with rich push: images, videos, and deep links
Send texts customers actually want
Cut through the noise with SMS that feels personal. Drive promotions, onboarding nudges, and reminders that engage.
- Personalize SMS with Liquid, attributes and AI
- Win back lapsed users with offers tied to their behavior
- Enhance messages with images, videos, GIFs, and more
Nudge users to take action
Send contextual messages that feel like part of the experience, not an interruption.
- Deliver modals, banners, and surveys across web and mobile
- Anchor tooltips to buttons, menu items, or features for onboarding
- Keep messages accessible with a notification inbox
Build, optimize, and refine without the manual lift
From building segments to knowing the best time to send, our AI works alongside you at every step of your mobile strategy.
- Launch multi-channel campaigns with a prompt
- Personalize messaging dynamically
- Surface insights to sharpen your next campaign
2.5%
lift in monthly revenue
12-15%
consistent conversion rate
Because we have every event flowing into Customer.io, we were able to build a journey that adapts to what each user is actually doing—or not doing.
Additional features
Multi-channel automations
Coordinate automations across email, push, in-app, SMS, webhooks, and more.
Location-triggered journeys
Use geofencing triggers based on real-world locations and movement.
Transactional push notifications
Deliver order confirmations, shipping updates, and alerts.
Real-time updates
Surface Live Activities (iOS) and Live Updates (Android) directly on the lock screen and beyond.
Notification inbox
Keep important messages visible and accessible, even after the notification is dismissed.
Omnichannel subscription center
Let your audience decide what messages they receive with topic and channel control.
OTP & 2FA
Send one-time passwords and authentication codes instantly when needed.
A/B testing
Optimize messages and monitor performance.
Dynamic content
Use Liquid and AI to help personalize your messages.
Multi-app support
Send push across multiple apps from one workspace, perfect for multi-brand teams.
SMS providers
Twilio by default, or you can choose your own provider.
Custom links
Easily shorten and customize URLs to stay within character limits.
Mobile SDKs
iOS, Android, React Native, Flutter, Expo.
WhatsApp
Send WhatsApp natively within Customer.io or via Twilio.
Rich media
Stand out with images, videos, and GIFs across push, SMS, and MMS.
Line
Natively send Line messages directly through your campaigns.
Tools built for modern teams
Deliver polished in-app experiences with lightweight SDKs, flexible APIs, and developer-friendly tooling.
Mobile SDKs
Purpose-built SDKs for iOS, Android,
and web applications.APIs
Move data in and out of Customer.io from your terminal,
Postman, or custom integration.CLI
Install our skill, point an agent at it,
and let it drive.MCP server
Create profiles, send, and check delivery from any
MCP-compatible environment.
Questions?
We’ve got answers.
Mobilize your messaging strategy
- 14-day free trial
- No credit card required
- Cancel anytime
