Resistor Color Codes is a free Android application developed by Roshu under the category of Utilities & Tools. This application is designed to assist electrical and electronics engineering students and professionals in calculating resistor values from color bands or colors from resistor value. This smart tool can be utilized anywhere, whether in class, laboratory, field, or market for purchasing different resistors with different color bands.

The application supports 4, 5, and 6 bands resistors, and it requires no special permissions. Users can tap a color band to change its color or enter a numeric value in the resistor input box in ohms to find its corresponding colors. Moreover, the application is user-friendly and easy to navigate.