0 Android Rooting vs. Jailbreaking

Android rooting :-

Root access is sometimes compared to jailbreaking devices running the Apple iOS operating system. However, these are different concepts. In the tightly-controlled iOS world, technical restrictions prevent (1) installing or booting into a modified or entirely new operating system (a "locked bootloader" prevents this), (2) sideloading unsigned applications onto the device, and (3) user-installed apps from having root privileges (and are run in a secure sandboxed environment). Bypassing all these restrictions together constitute the expansive term "jailbreaking" of Apple devices. That is, jailbreaking entails overcoming several types of iOS security features simultaneously.
Android rooting is the process of allowing users of smartphones, tablets, and other devices running the Android mobile operating system to attain privileged control (known as "root access") within Android's subsystem.Rooting is often performed with the goal of overcoming limitations that carriers and hardware manufacturers put on some devices, resulting in the ability to alter or replace system applications and settings, run specialized apps that require administrator-level permissions, or perform other operations that are otherwise inaccessible to a normal Android user. On Android, rooting can also facilitate the complete removal and replacement of the device's operating system, usually with a more recent release of its current operating system. 
As Android derives from the Linux kernel, rooting an Android device is similar to accessing administrative permissions on Linux or any other Unix-like operating system such as FreeBSD or OS X.

jailbreaking :-

Jailbreaking devices running the Apple iOS operating system is sometimes compared to gaining root access on Android devices. However, these are distinct concepts. In the tightly-controlled iOS world, technical restrictions prevent (1) installing or booting into a modified or entirely new operating system (a "locked bootloader" prevents this), (2) sideloading unsigned applications onto the device is also prevented, and (3) user-installed apps are restricted from having root privileges. Bypassing all these restrictions together constitute the expansive term "jailbreaking" of Apple devices. That is, jailbreaking entails overcoming several types of iOS security features simultaneously.
Jailbreaking is the process of removing the limitations on Apple devices running the iOS operating system through the use of software and hardware exploits – such devices include the iPhone, iPod touch, iPad, and second generation Apple TV. Jailbreaking permits root access to the iOS operating system, allowing the download of additional applications, extensions, and themes that are unavailable through the official Apple App Store. Jailbreaking is a form of privilege escalation, and the term has been used to describe privilege escalation on devices by other manufacturers as well. The name refers to breaking the device out of its "jail", which is a technical term used in Unix-style systems, for example in the term "FreeBSD jail". A jailbroken iPhone, iPod touch, or iPad running iOS can still use the App Store, iTunes, and other normal functions, such as making telephone calls. 
Restoring a device with iTunes removes the jailbreak. 
Unlike rooting an Android device, jailbreaking is necessary if the user intends to run software not authorized by Apple. The legality of jailbreaking depends on countries and conditions.

One of the reasons for jailbreaking is to expand the feature set limited by Apple and its App Store. Apple checks apps for compliance with its iOS Developer Program License Agreement before accepting them for distribution in the App Store. Jailbreaking permits the downloading of programs not approved by Apple.