Today, if you intend 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 ensure that you are able to pay all of your bills just in case something unfortunate happens. Technology has evolved so much that in the past few years lots of people have found 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 looking over this article.

Mobile app development is just a rapidly growing industry because individuals are finding more ways to earn money through their smartphones. Each day how many active users keeps growing. Here are a few numbers that'll illustrate just how large the is becoming:

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

- Based on 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 wish to develop mobile apps then you'll need several things before you can start. This will also apply to any kind of development, but you especially need these:

- Skills and knowledge – You'll have 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 computer – Obviously! 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 adequate then you might be able to produce an app on Linux as well.

- A smartphone – It's not required for developing apps, Deniz Güney Entrepreneur but it will certainly help since you can test them directly on your device. In the event that you don't have a smartphone then you may always use a friend's or a family member's device.

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