250+ iOS apps curated and reviewed
With an average user rating of 3.9★, the resistor scanner category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (1) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.9★ (60) | No | No | Sep 2026 | |
| 3 |  | Free | 3.6★ (5) | Yes | No | May 2026 | |
| 4 |  | Free | 3.0★ (2) | No | Yes | Aug 2026 | |
| 5 |  | Free | — | No | Yes | May 2026 | |
| 6 |  | Free | 4.0★ (1) | No | No | May 2026 | |
| 7 |  | Free | 4.7★ (6.9K) | No | Yes | Sep 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.
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.
Point your phone's camera at a resistor to instantly identify its value. Currently supports 4-band carbon film resistors with a 5% tolerance.
