The Push Module provides your app with the ability to send push messages to Android and iOS devices. Beside the functionality to send plain messages to your apps users, all other enabled modules are enriched with push features; that is, other modules may use push messages afterwards for a variety of use cases.
The ZeroPush API is an iOS push notification tool designed to deliver more robust service than other notification tools. The company promises fast set up with Apple, Server Libraries for quick server side integration, ZeroPush Cocoapod client side integration, and great documentation for its programmatic interface to iOS notification tools. ZeroPush joins 40 other notification APIs in our directory.