Today, if you wish to make a full time income, it's not enough to simply have a job. You'll need at least 2 or 3 different sources of income to make sure that you can pay your entire bills in case something unfortunate happens. Technology has evolved so much that in the past few years many people are finding another solution to earn money: they develop mobile applications. Many entrepreneurs have made a name for themselves by developing mobile apps, and if you're thinking about 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 approaches to earn money through their smartphones. Everyday how many active users keeps growing. Here are a few numbers that'll illustrate just how large a is becoming:

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

- In accordance with statistics there have been nearly 35 million iPhone developers at the time of December 2010 ( source ). This figure shows a growth of 25% over the prior year's figures!

If you want to develop mobile apps then you'll need several things before you start. This will additionally apply to almost any development, however you especially need the following:

- 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 pc – Needless to say! Ideally it ought to 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 produce an application on Linux as well.

- A smartphone – It's not necessary for developing apps, however it will surely help since you can test them directly on your device. If you don't have a smartphone then you could always make use of a friend's or a household member's device.

- An IDE – A pc software development kit (or IDE - Integrated Development Environment) is important to produce applications for Android, iOS and Deniz Guney Windows Phone platforms. Popular IDEs include Xcode , Eclipse and Visual Studio.

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