A supposed fix to the iPhone 4S’ battery life issues is on the way from Apple
Until the update is officially released to the public, Philips has stepped up to the plate with a useful app that will help you maximize the battery life on any iOS device.
While it doesn’t do anything magical like harness the power of the sun or your positive chi to prolong battery life, it does provide detailed reports on how long your device will keep running given its current charge level and how you intend to use it. The app’s main screen prominently displays the current battery charge as a percentage, with a series of buttons showing you the estimated time remaining for a variety of common activities like calls, playing audio or video, gaming, and even standby.
And besides providing recommendations and suggestions on how to tweak your settings to maximize battery life, a ‘What if’ feature will actually give estimations on how long the device will run by changing various settings.