With more and more mobile apps conquering the market, it becomes harder for app developers to stand out among competitors. Nowadays, people, especially millennials and generation tend to get bored quite easily. Therefore, only something exciting and challenging can keep them constantly engaged. Luckily, there is a bunch of user engagement and retention strategies to implement: social media management, in-product customer experiences, personalized discounts, giveaways, etc., which can help companies remain competitive.
Link: 9 Examples of Apps Using Gamification for User Engagement