What's New
This app has been updated by Apple to display the Apple Watch app icon.
• Add decimal point to the reading
• Update for iOS 10
App Description
PowerMeter App turns your device into a Wattmeter. Just point the camera at the red flashing light on your electricity meter and get the reading!
Using PowerMeter you can measure the standby power of devices at home or electricity production of your Solar PV panels.
The App measures the time between impulses ±20ms and calculates the corresponding power usage with high accuracy. Depending on the class of your electricity meter the result is ±1% or ±2% whereas popular energy monitors are sometimes even 10% off.
Used by professionals, many 5 and 4 star reviews!
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• "Nice app - works perfectly. Congratulations!" – Lavello, Italy
• "Excellent - Excellent thanks for your effort!" – Solar narsti, Australia
• "Superb App to know your consumption instantaneously. Recommended!" – Pascal, Switzerland
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Note: This App will not work with infrared LED, so if you can't see a red light flashing on the meter the camera will not be able to detect the impulse.
iPhone Screenshots
(click to enlarge)
App Changes
- July 04, 2011 Price increase: FREE! -> $0.99
- July 15, 2011 New version 1.1.0
- September 13, 2012 Price decrease: $0.99 -> FREE!
- September 14, 2012 Price increase: FREE! -> $0.99
- September 25, 2012 Price decrease: $0.99 -> FREE!
- September 30, 2012 Price increase: FREE! -> $0.99
- October 01, 2012 Price decrease: $0.99 -> FREE!
- October 07, 2012 Price increase: FREE! -> $0.99
- October 10, 2012 New version 2.0.0
- November 17, 2012 New version 2.1.0
- March 25, 2013 Price decrease: $0.99 -> FREE!
- April 02, 2013 Price increase: FREE! -> $0.99
- October 19, 2013 Price decrease: $0.99 -> FREE!
- October 29, 2013 Price increase: FREE! -> $0.99
- November 15, 2014 Price increase: $0.99 -> $1.99
- April 26, 2015 Price decrease: $1.99 -> $0.99
- June 03, 2015 Price increase: $0.99 -> $1.99
- June 12, 2015 New version 3.0.0
- June 13, 2019 New version 3.1.0
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