Today, if you want to make a full time income, it's inadequate to simply have a job. You'll need at least 2 or Deniz Güney Entrepreneur 3 different resources of income to ensure you can pay all of your bills just in case something unfortunate happens. Technology has evolved so much that in the past few years many people have discovered another solution to earn money: they develop mobile applications. Many entrepreneurs have made a name for themselves by developing mobile apps, and if you're interested in learning how to develop mobile apps yourself, keep looking over this article.

Mobile app development is really a rapidly growing industry because individuals are finding more approaches to earn money through their smartphones. Each and every day the number of active users keeps growing. Here are a few numbers that will illustrate just how large a is becoming:

- How many smartphone users worldwide is expected to attain 1 billion in 2014 ( source ).

- According to statistics there were nearly 35 million iPhone developers as of December 2010 ( source ). This figure shows a rise of 25% over the previous year's figures!

If you intend to develop mobile apps then you'll need several things before you can start. This is true of any type of development, however, you especially need the following:

- Skills and knowledge – You'll need to find out how to code, and you'll also should try to learn about design concepts like UX (User Experience) and HCI (Human Computer Interaction).

- Some type of computer – Needless to say! Ideally it should be a laptop/netbook that runs Windows or Mac OSX since most computers nowadays run one of these operating systems. However, if your skills are adequate then you might be able to produce an application on Linux as well.

- A smartphone – It's not required for developing apps, but it will definitely help since you can test them directly on your device. If you don't have a smartphone then you may always work with a friend's or a family group member's device.

- An IDE – A computer software development kit (or IDE - Integrated Development Environment) is important to produce applications for Android, iOS and Windows Phone platforms. Popular IDEs include Xcode , Eclipse and Visual Studio.

- The developer license – You can develop apps without paying anything, but if you wish to publish them on app stores then you'll need to cover the annual fee which is currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including credit cards, PayPal and wire transfer from your own bank account.