To make your app stand out in the long list of competitors, you need to have a unique feature set. It can be compared with a car in which different models have different body and engine specifications and further you can visit https://rubygarage.org/blog/how-much-does-it-cost-to-design-a-mobile-app to learn app development skills. Similarly, your mobile app should have unique features and functionality that distinguish it from other apps in the market.