Battery Master is described as 'Need to know how long you can watch your movie on your iPod? Wanna estimate how long you can talk over your mobile network? Or some times you need to make sure the battery left is enough for finish the game play for the next level'. There are more than 25 alternatives to Battery Master for a variety of platforms, including Android, Windows, Mac, Android Tablet and iPhone. The best alternative is Accubattery, which is free. Other great apps like Battery Master are BatteryCare (Free), BatteryBar (Freemium), BatteryMon (Free Personal) and BatteryAlarm 40-80% (Free).
This relatively small application displays a floating semi-transparent battery meter on your screen, and the level of transparency changes as the battery drains. It automatically gets out of the way if you mouse near it.
Battery Optimizer is one of the best free battery saving app which extend your battery life and save more up to 65% by killing running apps with Battery Optimizers. Battery Optimizer is essential for your phone, Enjoy the core of incredible power.
The most accurate battery monitor is now available as a Native iPad and iPhone App (Accura HD and Accura Premium). We have redesigned Accura to provide best possible user experience on the iPad. Monitoring the state of your battery is easy and fun with Accura.