Today, if you wish to make a living, it's inadequate 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 your bills in case something unfortunate happens. Technology has evolved so much that in recent years many people have discovered another method 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 produce mobile apps yourself, keep looking over this article.

Mobile app development is just a rapidly growing industry because individuals are finding more methods to earn money through their smartphones. Everyday the amount of active users keeps growing. Here are some numbers that will illustrate just how large a has become:

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

- Based on statistics there were nearly 35 million iPhone developers as of December 2010 ( source ). This figure shows a growth of 25% over the prior year's figures!

If you intend to develop mobile apps then you'll need several things before you can start. This will additionally apply to any kind of development, however you especially need these:

- 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).

- A computer – Needless to say! Ideally it must 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 develop a software on Linux as well.

- A smartphone – It's not essential for developing apps, but it will certainly help because you can test them entirely on your device. If you don't have a smartphone then you might always make use of a friend's or a family member's device.

- An IDE – A software development kit (or IDE - Integrated Development Environment) is necessary 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 when you wish to publish them on app stores then you'll need to cover the annual fee that will be currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including credit cards, Deniz Güney Entrepreneur PayPal and wire transfer from your bank account.