What's New

✔ Improved accuracy and sensitivity
✔ Add support for yellow LED
✔ Add 'Email To' action
✔ Add 'Data Logger' – data resampled by minute in a csv file

App Description

PowerMeter App turns your device into a Wattmeter. Just point the camera at the flashing red light on your electricity meter and get the reading real time!

Using PowerMeter you can measure the Standby power of devices at home or electricity production of your Solar PV panels.

Measuring the time between impulses ±20ms you will get the reading much more accurate than using Energy Monitors which are sometimes even 10% off!

Used by professionals, many 5 and 4 star reviews!

★★★★★ "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

App Screenshots

(click to enlarge)

PowerMeter - Professional Wattmeter for iOS screenshot 1 PowerMeter - Professional Wattmeter for iOS screenshot 2

App Changes

  • November 15, 2014 Price increase: $0.99 -> $1.99
  • October 29, 2013 Price increase: FREE! -> $0.99
  • October 19, 2013 Price decrease: $0.99 -> FREE!
  • April 02, 2013 Price increase: FREE! -> $0.99
  • March 25, 2013 Price decrease: $0.99 -> FREE!
  • November 17, 2012 New version 2.1.0
  • October 10, 2012 New version 2.0.0
  • October 07, 2012 Price increase: FREE! -> $0.99
  • October 01, 2012 Price decrease: $0.99 -> FREE!
  • September 30, 2012 Price increase: FREE! -> $0.99
  • September 25, 2012 Price decrease: $0.99 -> FREE!
  • September 14, 2012 Price increase: FREE! -> $0.99
  • September 13, 2012 Price decrease: $0.99 -> FREE!
  • July 15, 2011 New version 1.1.0
  • July 04, 2011 Price increase: FREE! -> $0.99

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