Best apps like Ohm's Law: Circuit Calculator

10+ similar apps compared and reviewed

4.4 avg rating
4 free apps
Updated July 2026

Ohm's Law is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Ohm's Law

Ohms Law Calc.#1

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Editor's Choice
🔧 Utilities
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
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This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

What We Love

  • 🚀 Great value
  • 🚀 Works perfectly
  • 🚀 Fantastic app
  • 👍 Best thing since sliced bread

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer
Electrical Toolkit by HCP#3

Electrical Toolkit by HCP by Codefied Inc.

Conduit + load calcs for pros
Worth Considering
🔧 Utilities
4.8(18 ratings)
Free
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This comprehensive mobile toolkit provides electricians and professionals with essential calculations, NEC-compliant tools, and field utilities. It offers features for conduit bending, fill calculations, load analysis, and various electrical calculators, all designed for speed and clarity.

More apps like Ohm's Law

4
Watts Amps Volts Calculator
Watts Amps Volts Calculator
Watts Amps Volts Calculator
Volts/Watts/Amps Calculator
$1.99

This tool simplifies electrical calculations for power, current, and voltage. It's designed for professionals, hobbyists, and students to quickly and accurately manage electrical projects.

Power (Watts) CalculationCurrent (Amps) CalculationVoltage (Volts) Calculation
🔧 Utilities
(2)
paid
5
Ohm Law Calculator
Ohm Law Calculator
Ohm Law Calculator
Amps Ohms Watts Volts Calc
$2.99

Calculate electrical values like current, voltage, resistance, and power using Ohm's Law. Input any two known values to automatically determine the missing one. Ideal for electrical enthusiasts and professionals.

Calculate current, voltage, resistance, and powerInput any two known valuesAutomatic calculation of missing factor
🔧 Utilities
(4)
paid
6
Electrical Calculator
Electrical Calculator
Electrical Calculator
Ohm's Law, Voltage Drop, Wire
$3.99

This app provides over 65 essential electrical calculation tools and formulas for engineers, students, and professionals. It supports both USCS and SI units and includes features like resistor color code conversion and upgraded voltage drop calculations aligned with industry standards.

Over 65 electrical calculation toolsResistor color code calculatorsUpgraded voltage drop calculations
🔧 Utilities
(462)
free
7
Electrical Calculation Tools
Electrical Calculation Tools
Electrical Calculation Tools
Handy tool for Electrician
$1.99
🔧 Utilities
(0)
8
AWG Calculator: Wire Size
AWG Calculator: Wire Size
AWG Calculator: Wire Size
Electrician Wire Tool
Free

This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.

Wire size (AWG) calculationsVoltage drop calculationCircuit breaker sizing
🔧 Utilities
(67)
free with in-app purchases
9
Circuit Resistance Creator
Circuit Resistance Creator
Circuit Resistance Creator
Simple, Fast and Powerful.
Free

Calculate equivalent resistance for any resistor circuit. This tool is designed for students, technicians, and engineers, offering high accuracy for voltage, current, and resistance. It's a great way to check homework and perform engineering calculations.

Equivalent resistance calculationSupports any resistor circuitHigh accuracy displays (6 decimal places)
🔧 Utilities
(3)
free
10
Electrical Calc Elite
Electrical Calc Elite
Electrical Calc Elite
NEC Code Calculator
$19.99

This app serves as a comprehensive NEC code calculator for electrical professionals. It helps electricians, contractors, and inspectors quickly and accurately solve common electrical calculations based on National Electric Codes, with support for multiple code versions and in-app purchases for updates.

NEC Code CalculationsWire SizingVoltage Drop
🔧 Utilities
(124)
free with in-app purchases