Best Resistor Color Code Reader Apps

246+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our resistor color code reader list covers 246+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Resistor Color Code Reader Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Resistance Color CalculatorResistance Color CalculatorFree4.9★ (60)NoNoSep 2026
2Resistor Color Code ReaderResistor Color Code ReaderFree—NoYesAug 2026
3Resistor Color CodesResistor Color CodesFree5.0★ (2)NoNoMay 2026
4Resistor - Color CodesResistor - Color CodesFree4.0★ (1)NoNoMay 2026
5Resistor Code CalculatorResistor Code CalculatorFree3.6★ (27)YesNoJun 2026
6Resistor Calculator 4-BandResistor Calculator 4-BandFree—NoNoMay 2026
7Resistor color code calcResistor color code calcFree5.0★ (5)YesNoSep 2026
8AI Resistor Color Code ScannerAI Resistor Color Code ScannerFree3.0★ (1)NoYesSep 2026

Top Picks for Resistor Color Code Reader

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FAQ about Resistor Color Code Reader

What are the best resistor color code reader apps for iPhone?
Resistance Color Calculator tops our resistor color code reader apps ranking as of September 2026, with a 4.9-star average from 60 App Store ratings, and it's free to download.
Yes — 18 of the top resistor color code reader apps we rank are free to download, including Resistance Color Calculator and Resistor Color Code Reader.
Resistance Color Calculator has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 246+ resistor color code reader apps on the iOS App Store as of September 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.