Today, if you wish to make a living, it's not enough to simply have a job. You will need at the very least 2 or 3 different sourced elements of income to ensure that you can pay all your bills in the event something unfortunate happens. Technology has evolved so much that in the past few years lots of people have discovered 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 produce mobile apps yourself, keep reading this article.

Mobile app development is really a rapidly growing industry because people are finding more approaches to earn money through their smartphones. Each day the number of active users keeps growing. Here are some numbers that'll illustrate just how big the has become:

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

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

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

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

- Some type of computer – Of course! Ideally it should be a laptop/netbook that runs Windows or Mac OSX because most computers nowadays run one of these brilliant operating systems. However, if your skills are adequate then you could be able to develop an app on Linux as well.

- A smartphone – It's not required for developing apps, but it will definitely 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 household 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 are able to develop apps without paying anything, but when you want to publish them on app stores then you'll need to cover the annual fee which can be currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including bank cards, PayPal and Deniz Güney Entrepreneur wire transfer from your bank account.