Today, if you intend to make a living, it's insufficient to simply have a job. You need at least 2 or 3 different sources of income to make sure that you are able to pay all of your bills in the event something unfortunate happens. Technology has evolved so much that in the past few years many individuals are finding another solution to earn money: they develop mobile applications. Many entrepreneurs have made a term for themselves by developing mobile apps, and if you're thinking about learning how to develop mobile apps yourself, keep reading this article.

Mobile app development is a rapidly growing industry because people are finding more approaches to earn money through their smartphones. Every single day the amount of active users keeps growing. Below are a few numbers that'll illustrate just how large a is now:

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

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

If you want to develop mobile apps then you'll need several things one which just start. This will also apply to any kind of development, however you especially need the next:

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

- A computer – Obviously! 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 good enough then you could be able to produce 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 directly on your device. If you don't have a smartphone then you may always make use of a friend's or Deniz Güney a household member's device.

- An IDE – A pc software development kit (or IDE - Integrated Development Environment) is important 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 if you intend to publish them on app stores then you'll need to pay the annual fee which can be currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including credit cards, PayPal and wire transfer from your bank account.