Best Electric Calculator Apps

250+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated November 2026

Out of 250+ electric calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Electric Calculator Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ElectriCalc ProElectriCalc ProFree4.9★ (369)NoYesNov 2026
2Electrical CalculationsElectrical CalculationsFree4.6★ (129)YesYesNov 2026
3Ohms Law Calc.Ohms Law Calc.Free4.7★ (1.3K)YesYesOct 2026
4Electrical Calculator PlusElectrical Calculator PlusFree4.5★ (38)YesNoNov 2026
5Electrical Calculator ProElectrical Calculator ProFree—YesYesMay 2026
6Electrical Calculator liteElectrical Calculator liteFree4.6★ (581)NoYesNov 2026
7Cable Calc+Cable Calc+Free4.0★ (2)NoNoNov 2026
8Electric circuit calculatorElectric circuit calculatorFree4.3★ (11)NoYesOct 2026

Top Picks for Electric Calculator

ElectriCalc Pro#1

ElectriCalc Pro by Calculated Industries

Electrician NEC Calculator
Editor's Choice
🔧 Utilities
4.9😊(369 ratings)
FreeIn-App Purchases
ElectriCalc Pro screenshot 1
ElectriCalc Pro screenshot 2
ElectriCalc Pro screenshot 3
ElectriCalc Pro screenshot 4
ElectriCalc Pro screenshot 5
ElectriCalc Pro screenshot 6

This app provides electricians and electrical professionals with a powerful tool for performing complex calculations based on the latest National Electrical Code (NEC). It offers solutions for wire sizing, voltage drop, conduit sizing, and motor calculations, saving time and ensuring code compliance.

What We Love

  • 👍 Great app overall
  • 👍 Excellent electrical engineering application
  • 👍 Great tool for engineering teams
  • 👍 Useful in daily work activities
  • 👍 Continuously improving with new functions
  • 👍 Major help for electricians
  • 👍 Useful tool
  • 👍 Good tool
  • 👍 Best electrical calculator ever
  • 👍 Great fast tool for electrical designs
  • 👍 Highly recommended for on-the-fly calculations
  • 👍 Fantastic tool for low-voltage projects
  • 👍 Best calculator for electricians
  • 👍 Indispensable for electrical professionals
  • 👍 Perfect app
  • 👍 Great app for job and home use
  • 👍 Well worth the price
  • 👍 Saves time
  • 👍 Solves client issues on the spot
  • 👍 Operates like the handheld device
  • 👍 Calculates voltage drop, amperage, conduit, and wire size
  • 👍 Great support

Room to Improve

  • 👎 Recurring costs are disliked
  • 👎 Not worth it if you have the actual calculator
  • 👎 App should include current NEC
  • 👎 High cost for difficulty of use
  • 👎 No longer works after iOS update
  • 👎 Problem with HP calculations
  • 👎 Issue with conduit size calculation
  • 👎 Wire size calculation crashes app
  • 👎 Interface not retina display optimized (older reviews)
Electrical Calculations#2
4.6(129 ratings)
FreeAdsIn-App Purchases
Electrical Calculations screenshot 1
Electrical Calculations screenshot 2
Electrical Calculations screenshot 3
Electrical Calculations screenshot 4
Electrical Calculations screenshot 5
Electrical Calculations screenshot 6

This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.

Ohms Law Calc.#3

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Worth Considering
🔧 Utilities
4.7😊(1.3K ratings)
FreeAdsIn-App Purchases
Ohms Law Calc. screenshot 1
Ohms Law Calc. screenshot 2
Ohms Law Calc. screenshot 3
Ohms Law Calc. screenshot 4
Ohms Law Calc. screenshot 5
Ohms Law Calc. screenshot 6

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
  • 🚀 Useful for electrical work
  • 👍 Clean and pleasing interface
  • 🚀 Terrific app

Room to Improve

  • 👎 Have to pay again for an app already purchased
  • 👎 Not easy to use
  • 🐛 Paid but not unlocked, no response from developer
  • 👎 Annoying pop-ups
  • 🐛 Keeps shutting down
  • 👎 Worst Ohms calculator ever
  • 👎 Needs more work
  • 👎 Incorrect Ohm's law formulas

More Electric Calculator apps to explore

FAQ about Electric Calculator

What are the best electric calculator apps for iPhone?
ElectriCalc Pro tops our electric calculator apps ranking as of November 2026, with a 4.9-star average from 369 App Store ratings, and it's free to download.
Yes — 19 of the top electric calculator apps we rank are free to download, including ElectriCalc Pro and Electrical Calculations.
ElectriCalc Pro has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ electric calculator apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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