Comparison

Ohm Law Calculator vs Electrical Calculation Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ohm Law Calculator

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.

Highlights
  • Calculate current, voltage, resistance, and power
  • Input any two known values
  • Automatic calculation of missing factor
  • Formulas for P, E, I, and R
  • Intuitive and easy-to-use interface
  • Real-time results
Features
Read full description

Ohm's Law calculators are available for calculating current, voltage, resistance, and power. You can input two of the four factors in Ohm's Law, which are Power (P) or (W), measured in Watts, Voltage (V) or (E), measured in Volts, Current or Amperage (I), measured in Amps (Amperes), and Resistance (R), measured in Ohms. The required factor will be calculated automatically when you enter the necessary value. The various formulas for Ohm's law are as follows: P = power in watts E = voltage in volts I = current in amps R = resistance in ohms P = E2 / R P = I2 * R P = E * I E = sqrt(P * R) E = P / I E = I * R I = E / R I = P / E I = sqrt(P / R) R = E / I R = E2 / P R = P / I2 Discover the power of precision with our Ohm's Law calculators. Whether you're an electrical enthusiast or a professional, our intuitive tools make calculations a breeze. Easily find current, voltage, resistance, or power by inputting just two known values. With real-time results, you can efficiently plan circuits, troubleshoot, or design electrical systems. Ohm's Law, a fundamental principle in electronics, is now at your fingertips. Empower your electrical projects with accurate calculations and make informed decisions. Simplify your work, save time, and harness the full potential of Ohm's Law with our calculators. Start optimizing your electrical endeavors today! Experience the convenience of Ohm's Law calculators on your iPhone and iPad. Whether you're on the go with your iPhone or need a larger screen on your iPad, our app adapts to your device seamlessly. Unlock the power of accurate electrical calculations wherever you are. With a one-time purchase, you'll have this indispensable tool at your fingertips on all your iOS devices. Don't miss out on this versatile solution that enhances your electrical projects on both iPhone and iPad. Get it now and streamline your work with ease! Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

Electrical Calculation Tools

Features
Read full description

Mobile Electrician Calculator is a powerful and easy-to-use tool designed for electricians, electrical engineers, students, and anyone working with electrical systems. This app brings essential electrical formulas and calculations right to your mobile device—making work faster, more accurate, and more convenient. Whether you're troubleshooting, designing circuits, or estimating power usage, the app offers precise calculators to save time and reduce errors. Key Tools Included: Ohm’s Law Calculator Quickly calculate voltage, current, resistance, or power with simple input fields. LC Resonance Calculator Find resonant frequency, inductance, and capacitance for AC circuits with accuracy. Delta–Y (Wye) Transformer Conversion Convert between Delta and Wye configurations in seconds—perfect for three-phase systems. Electrical Energy Calculator Estimate energy usage and cost of appliances for better planning and budgeting. Current Density Calculator Calculate current per unit area to select the right conductor size and prevent overheating. Designed for speed, accuracy, and convenience, Mobile Electrician Calculator is an essential tool for fieldwork, classroom learning, and electrical design. With its user-friendly interface and multiple built-in calculators, it simplifies complex math and helps users complete jobs more efficiently.

Screenshots

Ohm Law Calculator4 screens
Electrical Calculation Tools4 screens

Verdict

The call

The clearest difference is update cadence: Electrical Calculation Tools at every 5 months against Ohm Law Calculator's every 28 months. Electrical Calculation Tools also leads on price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Ohm Law Calculator costs $2.99 and Electrical Calculation Tools $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ohm Law Calculator ships an update every 28 months, Electrical Calculation Tools every 5 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 8 level
Ohm Law Calculator versus Electrical Calculation Tools: the parameters behind the verdict, then further details
ParameterOhm Law CalculatorElectrical Calculation Tools
Price$2.99$1.99 — better
Rating3.5 (4 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings4 — better—
Update frequencyEvery 28 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS1313.0
Further details — not scored
Size1 MB37 MB
Age rating4+4+
DeveloperNitrioKantaben Gorasiya

In-app purchases

None

Ohm Law Calculator

No in-app purchases

None

Electrical Calculation Tools

No in-app purchases

Questions

Is Ohm Law Calculator free?
Ohm Law Calculator costs $2.99, with no in-app purchases.
Is Electrical Calculation Tools free?
Electrical Calculation Tools costs $1.99, with no in-app purchases.
Do Ohm Law Calculator or Electrical Calculation Tools have ads?
Neither Ohm Law Calculator nor Electrical Calculation Tools shows ads.
Which is updated more often, Ohm Law Calculator or Electrical Calculation Tools?
Ohm Law Calculator ships an update every 28 months, and Electrical Calculation Tools every 5 months. Most recently, Ohm Law Calculator was updated on September 23, 2026 and Electrical Calculation Tools on September 9, 2026.

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