Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.






250+ iOS apps curated and reviewed
The best electronic components apps on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | No | Aug 2026 | ||
| 2 | Free | — | No | No | Aug 2026 | ||
| 3 | Free | 3.7★ (3) | No | No | Sep 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 5.0★ (1) | No | Yes | Sep 2026 | ||
| 6 | $4.99 | 4.0★ (7) | No | No | Sep 2026 | ||
| 7 | Free | 4.7★ (1.4K) | No | Yes | Sep 2026 | ||
| 8 | Free | 4.7★ (3.4K) | Yes | No | Oct 2026 |






Quickly identify electronic component values using color codes and SMD markings. This utility supports resistors, capacitors, and inductors, offering detailed explanations and standard value charts.










Access a vast online search engine for electronic component datasheets. Find semiconductor information quickly and easily with over 50 million datasheets available. This tool is designed for engineers and developers needing fast, effective access to technical data.