About this app
Resistor Color Code Calc. PRO is a powerful and intuitive tool designed to quickly and accurately decode resistor values. Built for professionals, hobbyists, students, and educators, it provides everything you need to easily identify resistor values and color bands. Features: 3/4/5/6 Band Support – Calculate resistor values from colors or find color bands from values Reverse Lookup – Enter a resistor value and instantly see the matching color bands Save Favorites – Keep your most-used resistor values for quick access Dark & Light Themes – Switch between themes for a comfortable experience Multi-language Support – Available in 10 languages: EN, TR, ES, FR, DE, ZH, AR, RU, JA, HI Offline Functionality – Works anytime, anywhere without an internet connection Who is it for? Engineers and technicians working with electronic circuits Hobbyists and makers exploring electronic projects Students and educators learning or teaching electronics Simple, fast, and ad-free — Resistor Color Code Calc. PRO is your perfect companion for electronic projects.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 7:20 PM $4.99
Screenshots
