Curated
Airship
Mobile-first customer experience and messaging platform
Push MessagingMobile engagement platform
Alternatives to Customer.io
12 tools like Customer.io, chosen by what they do. About Customer.io
Curated
Courier
Notification API for sending messages across channels
Push MessagingNotification API and routing
Open source
Novu
Open source notification infrastructure for apps and agents
Push MessagingOpen source notification stack
Curated
Knock
Notification infrastructure for in-app, email and push
Push MessagingNotification infrastructure
Curated
Sendbird
Enterprise APIs for in-app chat, calling and AI customer service
Push MessagingIn-app chat and calls
Freemium
Pusher
Hosted APIs for realtime features like live updates and chat
Push MessagingRealtime channels and push
Open source
ntfy
Send push notifications to your phone with simple HTTP requests
Push MessagingSimple push by HTTP
Freemium
Stream
SDKs and APIs for in-app chat, activity feeds and video
Push MessagingChat and activity feed SDKs
Freemium
Twilio Segment
Customer data platform that collects events and sends them to tools
Data PipelinesCustomer data platform
Open source
Parse Platform
Open source backend server for mobile and web apps
Backend DataOpen source backend framework
