247+ iOS apps curated and reviewed
With an average user rating of 4.3★, the resistor category is one of the App Store's strongest. Browse all 247+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (125) | No | No | Oct 2026 | |
| 2 |  | Free | 3.6★ (27) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (5) | Yes | No | Nov 2026 | |
| 4 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 5 |  | Free | 4.3★ (560) | Yes | Yes | Nov 2026 | |
| 6 |  | Free | 5.0★ (3) | No | No | Oct 2026 | |
| 7 |  | Free | 3.6★ (5) | Yes | No | May 2026 | |
| 8 |  | Free | — | 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.
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.
Easily determine resistance values from colored bands on resistors. Supports 3 to 6 band configurations with a visual representation of your selections. Ideal for electronics enthusiasts and hobbyists.
