
About
This application simplifies electronic circuit calculations with tools for series/parallel resistance, LED current limiting, and three-phase circuit conversions. It also features a resistor color code decoder for quick component identification.
What's New in Resistor
4
October 28, 2025
Improved the user interface, and added new features
User reviews
Developer apps
FAQ
What are the main calculation features of Resistor?
Resistor offers a series/parallel calculator for equivalent resistance, an LED series resistor calculator for current limiting, and star-delta/delta-star converters for three-phase circuits.
How does the resistor color code decoder work in Resistor?
You can input the color codes of a resistor into the app, and it will instantly display its value, tolerance, and other essential information, eliminating manual deciphering.
Is Resistor available on Android devices?
Currently, Resistor is designed for iOS devices, including iPhone, iPad, and iPod.
What is the user rating for Resistor?
Resistor has a rating of 3.0 stars based on 3 user ratings.
Does Resistor have ads?
Yes, Resistor contains advertisements.
How often is Resistor updated?
The latest version, 4, was released on October 28, 2025, indicating recent development activity.
What is the age rating for Resistor?
Resistor is rated 4+ and is suitable for users of all ages.
Is Resistor free to download?
Yes, Resistor is free to download and use, supported by advertisements.









