Best Resistor Identifier Apps

247+ iOS apps curated and reviewed

4.2 avg rating
18 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our resistor identifier list covers 247+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Resistor Identifier Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Resistance Color CalculatorResistance Color CalculatorFree4.9★ (60)NoNoSep 2026
2ID ResistorsID ResistorsFree4.9★ (27)NoNoJul 2026
3Resistor AI CalculatorResistor AI CalculatorFree3.6★ (5)YesNoMay 2026
4Electronics Toolkit!Electronics Toolkit!Free4.3★ (556)YesYesAug 2026
5Resistor - Color CodesResistor - Color CodesFree4.0★ (1)NoNoMay 2026
6Resistor Calculator 4-BandResistor Calculator 4-BandFreeNoNoMay 2026
7Resistor, Capacitor color codeResistor, Capacitor color code$3.99 was $4.99NoNoSep 2026
8Resistor Code CalculatorResistor Code CalculatorFree3.6★ (27)YesNoJun 2026

Top Picks for Resistor Identifier

Resistance Color Calculator#1

Resistance Color Calculator by Fabian Schiller

Editor's Choice
🔧 Utilities
4.9(60 ratings)
Free
Resistance Color Calculator screenshot 1
Resistance Color Calculator screenshot 2
Resistance Color Calculator screenshot 3
Resistance Color Calculator screenshot 4

Easily determine the resistance value of electronic components. Simply select the number of color bands on your resistor and input the colors one by one to instantly get the resistance and tolerance. This tool simplifies a common electronics task.

ID Resistors#2

ID Resistors by Marc Rummel

Identify resistor values.
Strong Contender
📚 Education
4.9(27 ratings)
Free
ID Resistors screenshot 1
ID Resistors screenshot 2
ID Resistors screenshot 3

Easily identify the values of through-hole and SMD resistors. Input a resistor value to find its code, or enter the code to determine its value. Supports English, French, German, and Spanish.

More Resistor Identifier apps to explore

FAQ about Resistor Identifier

What are the best resistor identifier apps for iPhone?
Resistance Color Calculator tops our resistor identifier apps ranking as of August 2026, with a 4.9-star average from 60 App Store ratings, and it's free to download.
Yes — 18 of the top resistor identifier apps we rank are free to download, including Resistance Color Calculator and ID Resistors.
Resistance Color Calculator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 247+ resistor identifier apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you determine the resistance value of electronic resistors. You input the colors of the bands on the resistor, and it calculates the resistance value and tolerance for you.
First, select the number of rings your resistor has from the menu. Then, hold the resistor with the larger gap between rings on the right. Finally, select the colors of your resistor's bands one after another in the app to see the calculated resistance and tolerance.