250+ iOS apps curated and reviewed
The best magnetic field scanner apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (12) | No | Yes | Aug 2026 | |
| 2 |  | Free | 4.6★ (424) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.5★ (4.7K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 4.0★ (1) | No | Yes | Aug 2026 | |
| 5 |  | Free | 2.7★ (7) | Yes | No | Aug 2026 | |
| 6 |  | $4.99 | 4.5★ (5.5K) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.4★ (117) | Yes | Yes | Aug 2026 | |
| 8 |  | Free | — | No | Yes | Aug 2026 |
This utility app uses your phone's magnetometer to detect unusual magnetic field spikes, which may indicate the presence of hidden electronic devices. It provides real-time alerts, visual graphs, and customizable sensitivity to help you scan your surroundings for potential privacy threats.
This app uses your device's magnetometer to detect magnetic and electromagnetic fields. It helps locate metal objects, hidden wires, pipes, and even wood studs behind walls. Get real-time readings and alerts to explore your surroundings.
Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.
