Today, if you intend to make a living, it's insufficient to simply have a job. You'll need at the very least 2 or 3 different sources of income to ensure that you can pay all of your bills in the event something unfortunate happens. Technology has evolved so much that in the past few years lots of people have discovered 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 produce mobile apps yourself, keep looking over this article.

Mobile app development is really a rapidly growing industry because individuals are finding more methods 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 becoming:

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

- In accordance with statistics there have been nearly 35 million iPhone developers as of December 2010 ( source ). This figure shows a rise of 25% over the previous year's figures!

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

- Skills and knowledge – You'll need to find out just 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 since most computers nowadays run one of these operating systems. However, if your skills are good enough then you might be able to develop an application on Linux as well.

- A smartphone – It's not essential for developing apps, however it will certainly help because you can test them entirely on your device. If you don't have a smartphone then you may 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 essential to create applications for Android, Deniz Gueney 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 which will be currently $99 for Apple App Store and Google Play Developer Console. Several payment methods can be found, including charge cards, PayPal and wire transfer from your bank account.