People download so many apps & games on their iOS devices. These apps update regularly at regular interval of time. Even a small bug fixes can upgrade app to next version. Sometimes, Users don't need to install each & every version.
Most of app platforms provide automatic updates and the default setting for this is always 'On' so, constantly transferring data and updating the apps may cause several issues like phone keeps running & keeps your battery running down a lot faster, your 3G data pack is used quickly and many more.
