250+ iOS apps curated and reviewed
Out of 250+ resistor color band calculator apps on iOS, 19 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 | 4.7★ (28) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.9★ (60) | No | No | Oct 2026 | |
| 3 |  | Free | — | Yes | No | Oct 2026 | |
| 4 |  | Free | 5.0★ (5) | Yes | No | Oct 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 7 |  | Free | 3.6★ (27) | No | No | Sep 2026 | |
| 8 |  | Free | — | No | No | May 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.
