Today, if you want to make a living, it's not enough to simply have a job. You will need at the very 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 the past few years many people have found another method 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 reading this article.

Mobile app development is just a rapidly growing industry because individuals are finding more ways to earn money through their smartphones. Every single day how many active users keeps growing. Here are some numbers that may illustrate just how large the industry 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 at the time of December 2010 ( source ). This figure shows a rise 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 almost any development, however you especially need the next:

- Skills and knowledge – You'll need 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 computer – Obviously! Ideally it should be a laptop/netbook that runs Windows or Mac OSX since most computers nowadays run one of these brilliant operating systems. However, if your skills are good enough then you may be able to develop an application on Linux as well.

- A smartphone – It's not essential for Deniz Güney developing apps, however it will certainly help since you can test them entirely on your device. In the event that you don't have a smartphone then you might always work with a friend's or a family group member's device.

- An IDE – A pc software development kit (or IDE - Integrated Development Environment) is essential 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 when you wish to publish them on app stores then you'll need to cover the annual fee which will be 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.