Today, if you want to make a living, it's inadequate to simply have a job. You will need at the least 2 or 3 different sources of income to ensure you can pay all your bills just in case something unfortunate happens. Technology has evolved so much that in the past few years many people have discovered another way to earn money: they develop mobile applications. Many entrepreneurs have made a term for themselves by developing mobile apps, Deniz Gueney and if you're interested in learning how to produce mobile apps yourself, keep scanning this article.

Mobile app development is really a rapidly growing industry because people are finding more ways to earn money through their smartphones. Each and every day the number of active users keeps growing. Below are a few numbers that may illustrate just how large the industry is becoming:

- The amount of smartphone users worldwide is expected to attain 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 an increase of 25% over the last year's figures!

If you wish to develop mobile apps then you'll need several things before you start. This will additionally apply to any type 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 need to learn about design concepts like UX (User Experience) and HCI (Human Computer Interaction).

- A computer – Obviously! Ideally it must 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 sufficient then you might be able to develop an app on Linux as well.

- A smartphone – It's not essential for developing apps, nonetheless it will certainly help since you can test them on your device. If you don't have a smartphone then you may always use a friend's or a household 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 when you wish to publish them on app stores then you'll need to cover the annual fee that will be currently $99 for Apple App Store and Google Play Developer Console. Several payment methods are available, including charge cards, PayPal and wire transfer from your own bank account.