248+ iOS apps curated and reviewed
Every iPhone needs a few good iled resistor calculator apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $0.99 | — | — | No | May 2026 | |
| 2 |  | Free | 4.9★ (125) | No | No | Oct 2026 | |
| 3 |  | Free | 3.6★ (27) | No | No | Oct 2026 | |
| 4 |  | Free | — | — | No | Aug 2026 | |
| 5 |  | Free | — | — | No | Oct 2026 | |
| 6 |  | Free | 3.0★ (3) | Yes | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | Yes | Oct 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.
