Simple Power Meter

The Simple Power Meter is now available as a free download on Apple Store for both iPhone and iPad owners.The application is supporting English language. It weighs in at only 0.2 MB to download. The new Simple Power Meter app version 1.1 has been updated on 2014-11-27. For ensuring consistency with the device you should take into account the following app compatibility information: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.
More Info: Find more info about Simple Power Meter in MASUO IMAI`s Official Website : http://www.phoenix-c.or.jp/~masuo/support/powermeter.html