What's New

- Fixed floating keyboard bug, present on some devices running iOS 13

App Description

Makes Ohm's Law simple!

Ohmulator is a simple, yet robust, electric circuit calculator that enables you to quickly find the unknown variables of a circuit.

Ohmulator allows you to easily adjust unit types on the fly (eg. milli Amps, Amps, kilo Amps), which means no prior conversion!

Enter two known variables (from: I = Current, R = Resistance, V = Voltage, P = Power), set preferred units, then Ohmulator will calculate and return the previously unknown values.

Also an effective (total) resistance calculator.


What two App Store reviewers had to say about Ohmulator:

"Great. Does what it says. Very good app. Stylish design." 5 Stars - Jamie1990jamie

"Awesome app. It simply works. A must have for the radioamateur or electronic nerd. Nice to have the watt law as well." 5 Stars - Per67


Also available for macOS on the Mac App Store.

iPhone Screenshots

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Ohmulator screenshot 1 Ohmulator screenshot 2 Ohmulator screenshot 3

iPad Screenshots

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Ohmulator screenshot 4 Ohmulator screenshot 5 Ohmulator screenshot 6

App Changes

  • November 15, 2013 New version 2.0
  • November 27, 2013 Price decrease: $0.99 -> FREE!
  • November 30, 2013 Price increase: FREE! -> $0.99
  • December 12, 2013 New version 2.0.1
  • November 20, 2014 New version 2.0.2
  • January 24, 2015 New version 2.1
  • June 13, 2019 New version 2.2
  • December 09, 2019 New version 2.2.1