Most mobile devices are sold with various apps bundled as pre-installed software, such as an internet browser, email client, calendar, mapping program, and a program for purchasing music, other media, or more programs. Some pre-installed apps can be removed by an ordinary uninstall procedure, thus leaving more storage area to get desirable ones. Where the applications doesn't permit this, some devices could be frozen to get rid of the undesired programs.

Apps that are not preinstalled are often available through supply platforms known as app stores. They began appearing in 2008 and are generally controlled by the owner of the mobile operating system, such as the Apple App Store, Google Play, Windows Phone Store, and BlackBerry App World. However, there are independent program stores, for example Cydia, GetJar and F-Droid.

Premium Android Apps

Some programs are free, while some must be purchased. Usually, they're downloaded from the platform to a target device, but sometimes they can be downloaded to notebooks or desktop computers. For apps with a price tag, normally a percent, 20-30% goes to the distribution provider (such as iTunes), and the remainder goes to the manufacturer of the app. The same program can consequently cost a different price based on the mobile platform.

Apps can also be set up manually, such as by running an Android program package on Android devices.

Mobile programs were originally offered for overall productivity and information retrieval, such as email, calendar, contacts, stock market and weather details. But, public demand as well as the availability of developer tools drove rapid expansion into other categories, like those managed by desktop software applications packages.

As with other software, the explosion in number and wide range of programs produced discovery a challenge, which subsequently led to the introduction of a large range of recommendation, review, and curation sources, such as sites, magazines, and dedicated online app-discovery services. In 2014 government regulatory agencies started attempting to regulate and curate programs, particularly medical apps. Some businesses offer apps as an alternate method to deliver content with specific advantages over an official website.

Utilization of mobile apps has become more and more prevalent across cell phone users. A May 2012 comScore study reported that during the prior quarter, more cellular subscribers used apps than browsed the net on their apparatus: 51.1% vs. 49.8% respectively. Researchers found that utilization of mobile apps strongly correlates with user context and depends on user's location and time of their day. Mobile programs are playing with an ever-increasing role within health care and if designed and integrated correctly can yield many advantages.

Mobile Apps Hacks

Market research firm Gartner predicted that 102 billion apps would be downloaded in 2013 (91 percent of them free), which might generate $26 billion in the US, up 44.4 percent on 2012's US$18 billion. By Q2 2015, Apple stores and the Google Play generated $5 billion. An analyst report estimates the app market creates revenues of more than $10 billion per year inside the European Union, while more than 529,000 jobs are created in 28 EU states due to the growth of the app market.