246+ iOS apps curated and reviewed
The best gluon resistor calculator apps on iPhone average 4.3★ across 246+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 | |
| 2 |  | Free | 4.9★ (60) | No | No | Sep 2026 | |
| 3 |  | Free | 3.6★ (27) | Yes | No | Jun 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 5.0★ (1) | Yes | Yes | Jul 2026 | |
| 6 |  | Free | — | — | No | Aug 2026 | |
| 7 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (5) | 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.
