Push Notification Software : Push notification software is a type of software application that enables users to receive real-time notifications from websites, apps, or other services, either on their computer or mobile device. Push notifications are typically used to alert users to important updates, such as new messages, breaking news, or product updates. Push notifications are sent by the service provider, such as an app, to the user’s device in order to ensure that the user is kept up to date with the latest content.