Today, if you intend to make a living, it's not enough to simply have a job. You'll need at least 2 or 3 different sources 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 recent years lots of people have found another method to earn money: they develop mobile applications. Many entrepreneurs have made a name 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 individuals are finding more approaches to earn money through their smartphones. Everyday the amount of active users keeps growing. Here are a few numbers that may illustrate just how large the industry is now:

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

- Based on statistics there were nearly 35 million iPhone developers as of 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 before you can start. This will also apply to any type of development, Deniz Gueney but you especially need the following:

- Skills and knowledge – You'll need 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 pc – Obviously! Ideally it should be a laptop/netbook that runs Windows or Mac OSX because most computers nowadays run one of these operating systems. However, if your skills are sufficient then you might be able to produce a software on Linux as well.

- A smartphone – It's not essential for developing apps, nonetheless it will certainly help since you can test them entirely on your device. If you don't have a smartphone then you might always work with a friend's or a family group member's device.

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