The beauty of the digital age is making the world smaller and making everything available with just a few clicks of the button. Big or small tasks are being completed with the use of Apps or websites. It is believed on an average, people spend at least 4 hours on their phone, daily.
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Source: https://www.inc.com/melanie-curtin/are-you-on-your-phone-too-much-average-person-spends-this-many-hours-on-it-every-day.html

An app makes it easier for companies to connect with and drum up additional interaction and business from customers. Most businesses have developed or are in the process of developing user friendly apps to ensure maximum customer satisfaction. Consumers today are more demanding due to the digitally changing nature of the market and for any business to survive, they need to address these demands.
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What are Push Notifications?
A small message, which is sent to a user, when they are not on the application is a push notification. This notification can be sent anytime and anywhere as long as the user has given the app permission to send the same.
After an app is initially downloaded, a user will receive a number of prompt messages to accept and give permission. These permissions vary as they depend on the app and its purpose and most businesses implement user-centric notifications to ensure the customer journey is strategically customized.

​To keep up with the fast-paced digital age, it’s necessary for all mobile app developers to engage their users with their app. While concentrating on rapid growth, it’s also necessary to ensure that your original user base doesn’t diminish. John Koetsier of VentureBeat said “…user engagement is the new user acquisition, arguing that gaining a loyal, long-term customer is much more important than acquiring casual users.”