Today, if you want to make a living, it's not enough to simply have a job. You'll need at the very least 2 or 3 different sources of income to ensure 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 lots of people are finding another way to earn money: they develop mobile applications. Many entrepreneurs have made a name for Deniz Gueney 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 just a rapidly growing industry because folks are finding more ways to earn money through their smartphones. Each day the number of active users keeps growing. Below are a few numbers that may illustrate just how large the is becoming:

- The amount of 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 can start. This is true of almost any development, but you especially need the following:

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

- A pc – Of course! 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 good enough then you might be able to produce an application on Linux as well.

- A smartphone – It's not necessary for developing apps, but it will definitely help because you can test them on your device. In the event that you don't have a smartphone then you could always use a friend's or a family 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 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 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 bank account.