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 | 4.1★ (7) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (305) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.5★ (4.7K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.0★ (1) | No | Yes | Aug 2026 |
| 5 |  | Free | 4.4★ (117) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 2.7★ (7) | Yes | No | Aug 2026 |
| 7 |  | $4.99 | 4.5★ (5.5K) | 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.
This utility app uses your device's magnetometer to measure magnetic fields, detect EMF, and visualize magnetic data in real-time. It can help identify magnetic metal objects by sensing disturbances in the surrounding magnetic field and offers customizable alerts.
Transform your device into a metal detector and magnetic field scanner. Measure, record, and analyze electromagnetic fields and metallic objects in real-time or over extended periods. Includes simulated mode for devices without a magnetometer.
Transform your device into a magnetic field detector. It measures magnetic field strength in real-time with a 3-axis display and provides visual alerts for metal and magnet detection. Explore the invisible magnetic world around you with a sleek, intuitive interface.
Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.
This utility app detects and displays nearby magnetic fields using your device's compass. It can also function as a basic metal detector by measuring magnetic field strength.
This app uses your device's magnetic sensor to analyze surrounding magnetic fields in real-time. It offers graphical, time-based, and frequency analysis modes for various applications, including metal detection and electromagnetic field investigation.
This app transforms your iPhone into a precise scientific instrument for measuring, visualizing, and recording magnetic fields. Explore magnetic field vectors, magnitudes, and compass headings with real-time charts and digital readouts. Ideal for educational experiments, lab work, or curious exploration.
This application measures magnetic field strength, responding to both static and alternating fields. It helps users make a qualitative assessment of magnetic field exposure from various sources.
Transform your iPhone into a versatile tool for detecting metal objects, locating wall studs, and measuring EMF levels. Utilize the device's built-in magnetometer for real-time insights into magnetic fields and signal strength, perfect for various DIY and utility tasks.