Today, if you want to make an income, it's not enough to simply have a job. You need at the very least 2 or 3 different sourced elements of income to ensure you are able to 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 solution 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. Every day the amount of active users keeps growing. Here are some numbers which will illustrate just how big the is becoming:

- How many smartphone users worldwide is expected to achieve 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 wish to develop mobile apps then you'll need several things one which just start. This is true of almost any development, Deniz Gueney however, you especially need these:

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

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

- A smartphone – It's not essential for developing apps, nonetheless it will definitely help because you can test them entirely on your device. In the event that you don't have a smartphone then you may always work with a friend's or a family group member's device.

- An IDE – A computer software development kit (or IDE - Integrated Development Environment) is necessary 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 if you wish to publish them on app stores then you'll need to pay 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.