Measures the strength of the magnetic field around you using your device's magnetometer. Requires Location Services to be enabled on iOS. Provides microtesla readings for nearby magnetic fields.




248+ iOS apps curated and reviewed
The best magnetometer x apps on iPhone average 3.9★ across 248+ 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 | — | No | Yes | May 2026 | ||
| 2 | $1.99 | 4.4★ (66) | No | No | Nov 2026 | ||
| 3 | Free | 1.0★ (1) | Yes | Yes | Nov 2026 | ||
| 4 | Free | 5.0★ (2) | Yes | No | Oct 2026 | ||
| 5 | Free | 4.4★ (59) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 1.0★ (1) | No | No | Oct 2026 | ||
| 7 | $0.99 | 4.4★ (5) | No | No | Aug 2026 | ||
| 8 | Free | — | No | No | Aug 2026 |







Measures the strength of the magnetic field around you using your device's magnetometer. Requires Location Services to be enabled on iOS. Provides microtesla readings for nearby magnetic fields.




This app visualizes your phone's magnetic field sensor readings, showing deviations from a calibrated baseline. It features a live waveform, haptic feedback for peaks, and adjustable sensitivity for detailed analysis.