Every app needs to provide the user with a direct connection to the company’s customer service department
Above all an app must be responsive and quick. The best app in the world is useless if it takes too long to open.
Great apps do one thing and do it right! If you try to juggle too much functionality into one app, the user gets overwhelmed.
The best way nowadays to keep users interested is to Gamify or Socialize. Gamify means give your users that carrot they need to keep coming back. Socialize means connect your users to social media sites so that they can share their experience.
The shortest distance between two points is a straight line. If you want the user to do something make it easy and quick to do so.
Keep a certain uniformity between your website and your mobile app. If users find your website easy-to-use they will find your mobile app easy to use as well.
Include some analytics in your app so that you can keep track of the users experience throughout the process. This will provide you with market information as to how to improve your product.
Make sure your app is usable both with or without Internet conductivity. Give users will really thank you for this.
Whenever possible and if it’s beneficial to the user try to customize the user experience. For example storing user credentials or personal preferences is a very big plus in the eyes of the beholder.
Remember it’s a mobile device. The user will eventually try to contact your service or your company. Making direct links to telephones, email or websites will make the user experience that much better.