Push notifications are a popular tool for this purpose. With the vast majority of app revenue growth coming from in-app purchases rather than paid downloads, it’s more important than ever to keep users engaged with your apps. Updating users about new content or activity and driving them back to the app. At the same time the technology is controversial since unwelcome or excessive push notifications annoy users, who will either disable them or worse yet uninstall the app responsible. So is it worth the risk? Do push notifications work?
