249+ iOS apps curated and reviewed
If you already know Resistance Color Calculator, this is the deeper bench. 249+ apps for resistor color code lookup for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (60) | No | No | Sep 2026 | |
| 2 |  | Free | 3.6★ (27) | Yes | No | Jun 2026 | |
| 3 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 4 |  | Free | — | Yes | No | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | Aug 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | Yes | No | Sep 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.
Quickly identify the value of resistors using their color bands. This utility tool simplifies electronics calculations for hobbyists and professionals alike.
