243+ iOS apps curated and reviewed
Out of 243+ resistor color band calculator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (22) | No | Yes | Jul 2026 |
| 2 |  | Free | — | Yes | No | May 2026 |
| 3 |  | Free | 4.9★ (60) | No | No | Aug 2026 |
| 4 |  | Free | 5.0★ (5) | Yes | No | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 3.6★ (27) | Yes | No | Jun 2026 |
| 7 |  | Free | 4.0★ (1) | No | No | May 2026 |
| 8 |  | Free | — | No | No | Aug 2026 |
Easily calculate resistor resistance, tolerance, and temperature coefficients. Supports 4, 5, and 6 band codes with a user-friendly interface for electronics enthusiasts.
Easily determine the resistance value of electronic components. Simply select the number of color bands on your resistor and input the colors one by one to instantly get the resistance and tolerance. This tool simplifies a common electronics task.
This utility helps you determine the resistance value of resistors by interpreting their colored bands. It supports 3, 4, 5, and 6 band resistors, visually displaying your selections and the calculated resistance and tolerance.
Easily determine the resistance value of electronic components using their color bands. This reference tool supports both 4 and 5-band resistors, making it ideal for makers, engineers, and students working with electronics projects.
Quickly identify the value of resistors using their color bands. This utility tool simplifies electronics calculations for hobbyists and professionals alike.
Instantly calculate resistor resistance values from color codes (3-6 bands). Includes Ohm's Law and Watt's Law calculators for voltage, current, and power. Ideal for electronics enthusiasts and professionals.
Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.
Point your phone's camera at a resistor to instantly identify its value. Currently supports 4-band carbon film resistors with a 5% tolerance.
This app provides a comprehensive suite of calculators and reference tools for electronics enthusiasts and professionals. It includes features for component identification, circuit calculations, and electrical property analysis, aiding in both study and practical work.
Easily determine resistor values without a multimeter. Simply spin the color wheels to match your resistor. This tool simplifies the process of identifying resistance.
