Best Resistor Color Code Apps

215+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated June 2026

Resistance Color Calculator is the household name in resistor color code, but it's far from the only option. We track 215+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Resistor Color Code

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

The Resistance Color Calculator is a user-friendly tool that simplifies the process of determining the resistance value of a resistor. Users can easily select the number of rings on their resistor and input the color codes, and the application will instantly provide the resistance value, tolerance, and other relevant details. This app is designed to make the task of identifying resistor values quick and effortless.

Resistor color code calc#2

Resistor color code calc by Seong Eon Kim

Resistor color code Calculator
Strong Contender
🔧 Utilities
5.0(5 ratings)
FreeAds
Resistor color code calc screenshot 1
Resistor color code calc screenshot 2
Resistor color code calc screenshot 3
Resistor color code calc screenshot 4
Resistor color code calc screenshot 5

This application helps determine the resistance value of resistors based on their colored bands, supporting 3, 4, 5, and 6 band resistors. Simply select the number of bands and click on the color chart to get the corresponding resistance value and tolerance, making it easy to configure your electronics.

Electronics Engineer Helper#3

Electronics Engineer Helper by Rostyslav Dovhaliuk

Calculators and references
Worth Considering
📊 Productivity
4.8😊(427 ratings)
FreeIn-App Purchases
Electronics Engineer Helper screenshot 1
Electronics Engineer Helper screenshot 2
Electronics Engineer Helper screenshot 3
Electronics Engineer Helper screenshot 4
Electronics Engineer Helper screenshot 5
Electronics Engineer Helper screenshot 6

A must-have app for electronics enthusiasts with calculators and references covering a wide range of topics including Ohm's law, capacitor codes, resistor color marking, and much more. Join over 100,000 users in simplifying electronics work or studies today. Unlock even more tools with the PRO version for enhanced functionality. Check it out now!

What We Love

  • 🚀 Useful tool
  • 👍 Comprehensive reference
  • 👍 Intuitive and well-designed
  • 👍 Saves time and effort

Room to Improve

  • 💰 Some advanced features require paid subscription
  • 🇷🇺 Some content in Russian language

More Resistor Color Code apps to explore

4
Resistor Color Codes
Resistor Color Codes
Resistor Color Codes
Reading resistors made easy!
Free

This application helps users easily determine resistance values of resistors by intuitively selecting colors from virtual wheels, eliminating the need for a multimeter. Try it out and take the uncertainty out of reading resistors!

🔧 Utilities
(2)
5
AI Resistor Color Code Scanner
AI Resistor Color Code Scanner
AI Resistor Color Code Scanner
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Free
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(1)
6
Resistor Color Band Calculator
Resistor Color Band Calculator
Resistor Color Band Calculator
Resistance + Tolerance + Temp
Free

This tool helps engineers, hobbyists, and students calculate the precise resistance, tolerance, and temperature coefficients of resistors by selecting color bands from an intuitive interface. With its comprehensive color band chart and user-friendly design, it streamlines resistance calculations, making it an essential asset for anyone working with resistors.

🔧 Utilities
(22)
7
Resistor Color Code Calc.
Resistor Color Code Calc.
Resistor Color Code Calc.
Color Code & Ohm Calculator
Free
🔧 Utilities
(1)
8
Resistor Code Calculator
Resistor Code Calculator
Resistor Code Calculator
by Vivid Planet Software
Free

This handy reference app calculates resistor color codes, supporting 4 and 5-band resistors, and is useful for makers, engineers, students, and electronics enthusiasts. Download the app to easily identify resistance values using the industry standard color-code.

🔍 Reference
(27)
9
Resistor color codes calc
Resistor color codes calc
Resistor color codes calc
Fast resistor value finder
Free
🔍 Reference
(0)
10
Resistor - Color Codes
Resistor - Color Codes
Resistor - Color Codes
Determine resistor values
Free

Easily determine resistor values using a color code system. Look up resistor values quickly and efficiently with this handy tool.

🔧 Utilities
(1)
11
resistor code calculator+
resistor code calculator+
resistor code calculator+
by 佳 黄
Free
🔧 Utilities
(0)
12
Resistor-Converter
Resistor-Converter
Resistor-Converter
Color Resistor, SMD Resistor
Free

This application allows users to easily convert resistor colors to resistance values and vice versa, supporting 4, 5, or 6 ring resistors, as well as SMD resistors. Simply select or enter the relevant information to get the calculated resistance value, try it now!

🔧 Utilities
(16)
13
Resistor Color Code Calc Lite
Resistor Color Code Calc Lite
Resistor Color Code Calc Lite
Resistor Color Code Calculator
$2.99
$6.99 | 57% OFF
🔧 Utilities
(0)
14
ResiCode: Resistor Color Code
ResiCode: Resistor Color Code
ResiCode: Resistor Color Code
Resistor Color Code Tool
$2.99
📊 Productivity
(0)
15
Electric Color Code
Electric Color Code
Electric Color Code
by DAE J MYUNG
$0.99

This application helps electricians and construction workers quickly find the color codes of conductors used in United States for single or three phase systems. It's a fast and easy tool to get the job done, try it out today!

📊 Productivity
(19)
16
Color Identifier: Color Picker
Color Identifier: Color Picker
Color Identifier: Color Picker
Color Detector & Name Finder
Free

An app that identifies colors by analyzing images from your device's camera or gallery. Simply point the camera at an object to find out its color. Try it now and explore the world in vibrant hues!

🎨 Graphics & Design
(1.7K)
17
Resistor Calculator 4-Band
Resistor Calculator 4-Band
Resistor Calculator 4-Band
by Max Kievits
Free
🔧 Utilities
(0)
18
QR Code Scanner · Barcode
QR Code Scanner · Barcode
QR Code Scanner · Barcode
QR Reader & Barcode Generator
Free

A convenient app that generates and scans QR codes for easy sharing of information. Simplify your tasks with this handy tool – download it now!

🔧 Utilities
(3.9K)
19
Barcode Scanner QR Code Reader
Barcode Scanner QR Code Reader
Barcode Scanner QR Code Reader
QR Code Reader Barcode Scanner
Free

A lightning-fast application that scans both QR codes and barcodes with precision. Simply point your device's camera at the code to quickly access information.

🔧 Utilities
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20
QRCode Barcode
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QRCode Barcode
Fast, easy reader & creator.
Free

Experience fast and easy barcode scanning with our application. Simply point your camera at any barcode or QR code to quickly access information. Download now for effortless scanning on-the-go!

📊 Productivity
(753)

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