Since software programs available through APT and or Installer.app (legacy) are not required to adhere to App Store guidelines, many of them are not typical self-contained apps but instead are extensions and customization options for iOS and its features and other apps (commonly called tweaks). Jailbreaking permits the downloading of programs not approved by Apple, such as user interface customization and tweaks. In one case, Apple mistakenly banned an app by a Pulitzer-Winning cartoonist because it violated its developer license agreement, which specifically bans apps that 'contain content that ridicules public figures.' To access banned apps, users rely on jailbreaking to circumvent Apple's censorship of content and features. However, their reasons for banning apps are not limited to safety and security and may be regarded as arbitrary and capricious. Apple checks apps for compliance with its iOS Developer Program License Agreement before accepting them for distribution in the App Store. One of the reasons for jailbreaking is to expand the feature set limited by Apple and its App Store.

Since it includes modifying the operating system (enforced by a 'locked bootloader'), installing non-officially approved (not available on the App Store) applications via sideloading, and granting the user elevated administration-level privileges (rooting), the concepts of iOS jailbreaking are therefore technically different from Android device rooting. While sometimes compared to rooting an Android device, jailbreaking is the bypassing of several types of Apple prohibitions for the end-user. Apple views jailbreaking as a violation of the end-user license agreement, and strongly cautions device owners not to try to achieve root access through the exploitation of vulnerabilities. Different devices and versions are exploited with a variety of tools. A jailbroken device permits root access within the operating system and provides the right to install software not available through the App Store. Typically it is done through a series of kernel patches. On Apple devices running iOS and iOS-based operating systems, jailbreaking is a privilege escalation exploit executed to remove software restrictions imposed by the manufacturer. TheReaderWeb | Wikipedia iOS jailbreaking

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