Today, if you want to make a full time income, Deniz Guney it's not enough to simply have a job. You will need at least 2 or 3 different resources of income to ensure that you are able to pay all of your bills in case something unfortunate happens. Technology has evolved so much that in the past few years many people have discovered another way to earn money: they develop mobile applications. Many entrepreneurs have made a term for themselves by developing mobile apps, and if you're interested in learning how to develop mobile apps yourself, keep reading this article.

Mobile app development is a rapidly growing industry because folks are finding more ways to earn money through their smartphones. Everyday how many active users keeps growing. Below are a few numbers which will illustrate just how large the industry is now:

- The number of smartphone users worldwide is expected to reach 1 billion in 2014 ( source ).

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

If you intend to develop mobile apps then you'll need several things before you start. This will also apply to any kind of development, but you especially need the next:

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

- A computer – Of course! Ideally it should be a laptop/netbook that runs Windows or Mac OSX because most computers nowadays run one of these simple operating systems. However, if your skills are adequate then you may be able to produce an application on Linux as well.

- A smartphone – It's not required for developing apps, however it will surely help since you can test them on your device. If you don't have a smartphone then you might always make use of 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 create applications for Android, iOS and Windows Phone platforms. Popular IDEs include Xcode , Eclipse and Visual Studio.

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