Today, if you wish to make an income, it's not enough to simply have a job. You will need at least 2 or 3 different sourced elements of income to ensure you are able to pay your entire bills in the event something unfortunate happens. Technology has evolved so much that in the past few years many 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 develop mobile apps yourself, keep reading this article.

Mobile app development is really a rapidly growing industry because individuals are finding more ways to earn money through their smartphones. Every single day how many active users keeps growing. Here are some numbers that will illustrate just how large the industry is now:

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

- According to statistics there have been nearly 35 million iPhone developers by December 2010 ( source ). This figure shows an increase of 25% over the prior 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 type of development, however, you especially need the following:

- Skills and knowledge – You'll need to know how to code, and you'll also need to learn about design concepts like UX (User Experience) and HCI (Human Computer Interaction).

- Some type of computer – Of course! Ideally it should be a laptop/netbook that runs Windows or Mac OSX since most computers nowadays run one of these brilliant operating systems. However, if your skills are good enough then you could be able to produce a software on Linux as well.

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

- An IDE – A pc 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, Deniz Güney Entrepreneur but when you want to publish them on app stores then you'll need to pay for 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.