It was the first operating system developed for cellphones. It was programmed on Java, by Symbian Ltc. It was launched to public in 1998. The fact that it allowed creating your own Java applications and run them successfully on the OS made it famous quickly. We could consider it the grandfather of all cellphone OS. It is open-source. The license for publishing applications for this OS is completely free. However, it was discontinued in 2012. Therefore, it is no longer posible to publish applications for it. It is considered to be an OS for developers and common users. There were 12 versions of it, ending in Symbian OS 10.1.
AndroidAndroid is an OS based on Linux Kernel currently developed by Google. The first version was released in 2007. It is open-source, it is developed in secret by Google and then released publicly in versions allowing modifications and redistribution. However, the license doesn't grant rights to the "Android" trademark. Therefore, device manufacturers must get an individual license from Google. There were a total of 11 versions, some having updates. They are named after food.
It is considered to be for developers, businessmen and common users. To publish an application on the store for Android, you must pay 19.22€ for the license, which lasts a lifetime. The validation process takes around 5 to 30 minutes. According to some surveys, for the end of 2013, Android occupied 78% of the market.
IOSIt is a mobile OS developed by Apple Inc., exclusively for Apple products. It was first released in 2007 and since then there have been a lot of versions released, because it is not only for cellphones but for other devices too. It is closed-source. Apple Inc. considers it is for professionals and common users. In order to publish an application on the store for iOS, you need to pay 80€ every year, and you must wait 1 week in average for it to be validated. The validation process is long and very strict. According to some surveys, in 2012 it covered the 21% of the smartphone mobile operating system units.
Windows PhoneWindows Phone is an OS developed by Microsoft. It was released in 2010 and there are a total of 4 versions, with not more than 2 updates each. It should be friendly for people who know how to use Windows 8 for PCs due to its similar interface. It is supposed to be for developers and common users. It is closed-source. If you want to publish an application in its store, you must pay 80€ anually. The fact that both, iOS and Windows Phone, have this price for applications, gave Android a huge advantage. Moreover, the validation process is very strict and it takes from 1 to 2 weeks.
BlackBerry OS
It is an operating system developed by BlackBerry Ltd. for its BlackBerry smartphones. It is closed-source, it was released in 2000. There have been 7 versions. It is an operating system for professional, business and common use. The license to publish applications in its store is free. However, the validation process is long and very strict, lasting from 1 to 3 weeks. You need a special phone service, as BlackBerry Ltd. works in conjunction with the phone companies. It is estimated that it covers only 2% of the market.
Firefox OSIt is an open-source OS based on Linux Kernel. The developer is Mozilla. It was released in 2013. It is supposed to be for developers, users with low resources, amateurs and common users. It hasn't been developed too much, and it is unknown how many users own a device with Firefox OS. There are only Firefox OS 1 and Firefox OS 2, but with many updates each. Although the validation process for uploading applications is slow, there are no restrictions. Furthermore, the license to publish the applications in the store is free. The browser used in cellphones with Firefox OS should be Mozilla Firefox.
Tizen OSTizen is an operating system developed by Linux Foundation and it has the support from Intel, Samsung and Limo. It was launched to public in 2012, and there are 3 versions in total. It is easy to programme applications for this OS. The licenses to publish applications is free and the validation process is flexible. The OS is open-source and it is meant to be for developers and common users. As well as many other operating systems, it is based on Linux Kernel. It targets a wide variety of devices, such as smartphones, smart TVs, PCs and even smart home appliances like a washing machine.
Ubuntu PhoneUbuntu Touch, also known as Ubuntu Phone is the mobile version of Ubuntu for PCs. It is developed by Canonical UK Ltd and the Ubuntu Community. It is for devices with a touchscreen, like smartphones and tablets. It was originally developed for the Nexus 4, 5 and 6. It tries to be as similar as possible to the Ubuntu for computers. The licenses to upload applications into the store and the validation process is completely free and with no restrictions. Therefore, they are uploaded in seconds. The OS is open-source. There's only one version, Ubuntu OS, released in 2013. It is supposed to be for developers and common users.
Brew MPIt is an operating system developed by Qualcomm. It is for normal cellphones, not smartphones. There are 2 versions, B.R.E.W. and Brew MP. It is open-source. The licenses to upload applications into the store is free, and the duration of the process of validation depends on the region. Brew MP. was released in 2010. It is mainly for common users.
For further information, you can click in one of the following links: Ubuntu Phone, Brew, Tizen (2), Firefox OS, BlackBerry OS, Windows Phone (2), iOS (2), Android (2), Symbian. operating system, software licenses, mobile operative systems (spanish).
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