Today, if you intend to make an income, it's not enough to simply have a job. You need at the least 2 or 3 different sources of income to make sure that you are able to pay all of your bills in the event something unfortunate happens. Technology has evolved so much that in recent years lots of people have found another solution to earn money: they develop mobile applications. Many entrepreneurs have made a term for themselves by developing mobile apps, and if you're thinking about learning how to develop mobile apps yourself, keep looking over this article.

Mobile app development is just a rapidly growing industry because folks are finding more methods to earn money through their smartphones. Each day how many active users keeps growing. Here are some numbers that'll illustrate just how big the industry has become:

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

- Based on statistics there have been nearly 35 million iPhone developers as of December 2010 ( source ). This figure shows an increase of 25% over the previous year's figures!

If you wish to develop mobile apps then you'll need several things one which just start. This is true of any kind of development, however you especially need the next:

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

- A pc – Obviously! Ideally it ought to be a laptop/netbook that runs Windows or Mac OSX because most computers nowadays run one of these operating systems. However, if your skills are good enough then you might be able to produce an application on Linux as well.

- A smartphone – It's not essential for developing apps, nonetheless 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 household member's device.

- An IDE – A software development kit (or IDE - Integrated Development Environment) is essential to create 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 pay the annual fee which is currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including charge cards, PayPal and wire transfer from your own bank account.