Today, if you wish to make a full time income, it's not enough to simply have a job. You'll need at the least 2 or 3 different sources of income to make sure that you are able to pay your entire bills in the event something unfortunate happens. Technology has evolved so much that in recent years lots of people have discovered 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 scanning this article.

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

- How many smartphone users worldwide is expected to achieve 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 previous year's figures!

If you intend to develop mobile apps then you'll need several things before you can start. This will additionally apply to any kind of development, but you especially need the following:

- Skills and knowledge – You'll need to find out how exactly 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 since most computers nowadays run one of these simple operating systems. However, if your skills are sufficient then you may be able to produce an application on Linux as well.

- A smartphone – It's not necessary for developing apps, however it will surely help because you can test them directly on your device. If you don't have a smartphone then you could always work with a friend's or a family group member's device.

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