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GhostScope

Does iPad have a magnetometer?

Not always. Some iPad models show numbers fine while an older iPad just sits there blank. Apple doesn't put a magnetometer in every model, and there's no public list that covers every configuration. The fastest way to know is to open GhostScope's EMF Meter. It reads the real sensor, and if your iPad doesn't have one, it says so plainly instead of showing a fake number.

2 min read · Updated 2026-09-26

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Why there's no simple yes or no

A magnetometer is the sensor behind the Compass app on iPhone, a small chip that measures magnetic field strength in three directions. Whether a given iPad model and configuration includes one isn't listed anywhere you can check at a glance, and no clean spec sheet listing it model by model is readily available.

GhostScope doesn't guess. It reads Core Motion's magnetic field data directly, and if the device reports it has none, the app shows This device has no magnetometer, so there is nothing to measure here. instead of inventing a reading. That's the behaviour expected from any app claiming to read a sensor.

How to check your iPad in 10 seconds

  1. Open GhostScope on your iPad.
  2. Tap the EMF Meter tile (subtitle Magnetic anomalies).
  3. Tap Start Hunt.
  4. If a number, a gauge and a 5-LED bar appear and move as you tilt the iPad, it has a magnetometer.
  5. If instead you see the no-magnetometer message, your iPad simply doesn't have one, and there's nothing else to try.

Does the EMF meter work the same on iPad as iPhone?

Yes. On a device that does have the sensor, GhostScope uses the exact same formula on iPad as on iPhone: read the field strength, subtract your Calibrate baseline, multiply by the sensitivity boost, then show it as µT or mG with the same LED bands. One build, both devices. On iPad it also supports all four orientations rather than just portrait and landscape, which matters more than you'd think once the thing is propped on a stand.

What still works on an iPad with no magnetometer

The EMF Meter, its spike alerts, and the brightness boost the Spirit Radar gets when a hunt's reading climbs above 40 µT all depend on that sensor. Everything else in GhostScope does not:

  • EVP Recorder: uses the microphone, not the magnetometer.
  • Pendulum: reads the device's tilt (gravity), a separate sensor, and works exactly the same.
  • Hunt Log: still saves and shows hunts, marks and events. An EMF-less hunt just won't log spikes or show a moving number.

Questions and answers

Which iPad models have a magnetometer?
There's no single published list, and it can vary by model and configuration. Rather than guess, open GhostScope's EMF Meter and tap Start Hunt: it reads the sensor for real and tells you immediately if your iPad doesn't have one.
Is GhostScope's EMF meter weaker or less accurate on iPad?
No. When an iPad does have a magnetometer, GhostScope reads it with the same formula, calibration and LED bands it uses on iPhone. There's no separate, reduced iPad mode.
Can I still use GhostScope on an iPad without a magnetometer?
Yes. The EVP Recorder, Pendulum and Hunt Log all work normally since none of them depend on the magnetometer; only the live EMF number, spike alerts and the Spirit Radar's brightness boost need it.
Does the iPad version need a different iOS?
No. GhostScope needs iOS 17.4 or later on iPhone and iPad alike; there's no extra requirement tied to the magnetometer.

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