Best Electronics Calculator Apps

248+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated September 2026

EE ToolKit is the household name in electronics calculator, but it's far from the only option. We track 248+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Electronics Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1EE ToolKitEE ToolKitFree4.7โ˜… (1.4K)NoYesSep 2026
2Ohms Law Calc.Ohms Law Calc.Free4.7โ˜… (1.3K)YesYesSep 2026
3Electronic Circuits CalculatorElectronic Circuits CalculatorFreeโ€”YesNoAug 2026
4DigiKeyDigiKeyFree4.7โ˜… (3.4K)YesNoSep 2026
5Electronic Calculator: AmperioElectronic Calculator: AmperioFree5.0โ˜… (1)NoNoMay 2026
6Electronics Toolkit!Electronics Toolkit!Free4.3โ˜… (556)YesYesSep 2026
7Circuit Calculator ProCircuit Calculator ProFreeโ€”โ€”NoAug 2026
8Electronics Engineer HelperElectronics Engineer HelperFree4.8โ˜… (436)NoYesSep 2026

Top Picks for Electronics Calculator

EE ToolKit#1

EE ToolKit by Thomas Gruber

Electronics Engineering
Editor's Choice
๐Ÿ“š Education
4.7๐Ÿ˜Š(1.4K ratings)
FreeIn-App Purchases
EE ToolKit screenshot 1
EE ToolKit screenshot 2
EE ToolKit screenshot 3
EE ToolKit screenshot 4
EE ToolKit screenshot 5
EE ToolKit screenshot 6

This comprehensive toolkit offers over 160 electronic applications, calculators, and reference tools for engineers, students, and hobbyists. It features a multi-functional keyboard, color code tools, audio scope, frequency generator, and component references with datasheet access. The app supports real-time circuit simulations and includes a file manager for saving calculations.

What We Love

  • ๐Ÿ‘ Useful tools and features
  • ๐Ÿš€ Comprehensive and informative
  • ๐Ÿ‘ Intuitive and easy to use
  • ๐Ÿ‘ Helpful for both beginners and professionals
  • ๐Ÿ‘ Regularly updated with improvements

Room to Improve

  • ๐Ÿ”’ Many features locked behind paywall
  • ๐Ÿ› Some bugs and glitches reported
  • ๐Ÿ” Limited free version functionality
  • ๐Ÿ“ฑ Accessibility issues for visually impaired users
Ohms Law Calc.#2

Ohms Law Calc. by V PUGAZHENTHI

Wire Size & Voltage Drop
Strong Contender
๐Ÿ”ง Utilities
4.7๐Ÿ˜Š(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

  • ๐Ÿš€ Great value
  • ๐Ÿš€ Works perfectly
  • ๐Ÿš€ Fantastic app
  • ๐Ÿ‘ Best thing since sliced bread
  • ๐Ÿš€ Useful for electrical work
  • ๐Ÿ‘ Clean and pleasing interface
  • ๐Ÿš€ Terrific app

Room to Improve

  • ๐Ÿ‘Ž Have to pay again for an app already purchased
  • ๐Ÿ‘Ž Not easy to use
  • ๐Ÿ› Paid but not unlocked, no response from developer
  • ๐Ÿ‘Ž Annoying pop-ups
  • ๐Ÿ› Keeps shutting down
  • ๐Ÿ‘Ž Worst Ohms calculator ever
  • ๐Ÿ‘Ž Needs more work
  • ๐Ÿ‘Ž Incorrect Ohm's law formulas

More Electronics Calculator apps to explore

FAQ about Electronics Calculator

What are the best electronics calculator apps for iPhone?
EE ToolKit tops our electronics calculator apps ranking as of September 2026, with a 4.7-star average from 1.4K App Store ratings, and it's free to download.
Yes โ€” 18 of the top electronics calculator apps we rank are free to download, including EE ToolKit and Ohms Law Calc..
EE ToolKit has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ electronics calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.