Wattmeter in your pocket!

PowerMeter App turns your iPhone/iPod Touch into a Wattmeter. Pointing the camera at the red flashing LED of your electricity meter you can get the reading in seconds! Without any additional hardware you can easily find out how much energy is your TV set using in a standby mode or check how much your solar PV panels produce. Download the App now and start saving money!

Download PowerMeter

It's only $0.99 !


About Us

We are passionate about beautiful and powerful iDevices. We believe that since they are so often in our pockets we should find more practical applications making our live easier.


Measure Power

Cut your electricity costs and your carbon footprint by up to 10%. No need to buy any additional piece of hardware.

Current Transformer

As an In-App purchase you can unlock Current Transformer feature. You will not need to multiply the reading by CT ratio any more.

Change Title

Your measurements are saved for further reference. You can assign a meaningful title to every measurement to stay organised.

Check Stats

Check what was the average, minimum and maximum power consumption during the survey.

Used by professionals

PowerMeter gives reliable readings and it is being used by professional electricians all around the word.

Help & Support

Should you find any problem with the App do not hesitate to contact us. Just drop us a line and we investigate the problem. We respond to all emails within 24h.


Wattmeter is very simple to use. The main Meter page lets you measure the power and the History page keeps a list of previous measurements. Should you have any problems please refer to the built-in Help pages or just email us.


Version 2.0.0

In Review and to be released soon (October, 5th 2012)
  • New Added support for Current Transformer
  • New Added history of measurements
  • New Full iOS 6.0 compatibility

Version 1.0.1

Released on July 10th, 2011
  • fix Various UI enhancements

Version 1.0.0

Released on February 1st, 2011
  • New Initial release for iOS


  • "Excellent thanks for your effort!"

    Solar Narsti, Australia
  • "Funziona perfettamente. Aggiungerei la possibilit√† di inserire i costi dell'energia per avere un'idea della portata economica delle misurazioni suddivise per giorno, mese e anno. Complimenti!!!."

    Lavello, Italy
  • "Spot on when used with em3300. Would be good if values could be shared remotely via get or put."

    teg007, Australia
  • "extraordinarily accurate in comparison with a normal meter, yet remarkably simple!"

    eskom hater, South Africa
  • "Conta i KWh con i lampeggi. Semplice ed efficace."

    Energie-rinnovabili, Italy


For general questions, bug reports or press inquires please contact: thomas.gabrowski@deepscoring.com