242+ iOS apps curated and reviewed
Out of 242+ color code resistor apps on iOS, 16 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 | 4.9★ (60) | No | No | Sep 2026 | |
| 2 |  | Free | 5.0★ (5) | Yes | No | Aug 2026 | |
| 3 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 4 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 5 |  | Free | 3.6★ (27) | Yes | No | Jun 2026 | |
| 6 |  | Free | 3.0★ (1) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | Yes | No | Aug 2026 | |
| 8 |  | $4.99 was $5.99 | — | No | No | Jul 2026 |
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.
Quickly identify the value of resistors using their color bands. This utility tool simplifies electronics calculations for hobbyists and professionals alike.
