Today, if you want to make a full time income, it's not enough to simply have a job. You need at the least 2 or 3 different sourced elements of income to make sure that you can pay all of your bills in the event something unfortunate happens. Technology has evolved so much that in recent years many people have found another way to earn money: they develop mobile applications. Many entrepreneurs have made a name for themselves by developing mobile apps, and if you're enthusiastic about learning how to develop mobile apps yourself, keep reading this article.

Mobile app development is really a rapidly growing industry because folks are finding more approaches to earn money through their smartphones. Each day the amount of active users keeps growing. Here are a few numbers that will illustrate just how big a is becoming:

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

- According to statistics there have been nearly 35 million iPhone developers by December 2010 ( source ). This figure shows an increase of 25% over the last year's figures!

If you wish to develop mobile apps then you'll need several things before you start. This is true of almost any development, nevertheless, you especially need the next:

- Skills and knowledge – You'll need to know just how to code, and you'll also need 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 simple operating systems. However, if your skills are sufficient then you might be able to produce 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 on your device. In the event that you don't have a smartphone then you might always make use of a friend's or a family group member's device.

- An IDE – A pc 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 if you intend to publish them on app stores then you'll need to pay for the annual fee which is currently $99 for Apple App Store and Google Play Developer Console. Several payment methods can be found, including credit cards, Deniz Güney Entrepreneur PayPal and wire transfer from your bank account.