MagnetMeter

Name: MagnetMeter
Rating: 4.33333 (3 reviews)

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MagnetMeter

Navigation

4.3

3 ratings

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Peter Breitling

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User Reviews for MagnetMeter

High gadget factor

I'm not sure how this app could look any cooler than it does. It really helps you visualize the invisible forces acting on the iPhones sensors. This must be what evil geniuses play with when they aren't trying to kill James Bond. All I need now is a monocle and a white Persian cat.

Dent De Leon, Mar 15, 2014

Responsive and precise

If you wanted a tricorder, get this app. The arrow reflects magnetic flux very quickly and shows the field strength in real time. It's 99 cents and does a fantastic job of representing 3d magnetic fields. The new version has the compass overlay working correctly. I've bought only a handful of apps and this is one. It's a very impressive app to anyone who is science minded.

dithi, Dec 30, 2009

I Need This!

Just when I thought I had everything. Definitely a cool app with a multitude of uses. Nice Interface good online manual and works exactly as advertised.

DoctorCalabria, Nov 26, 2016

Actually works

Works well on iPhone 4! Tried it with a magnet and the speakers for the magnetic setting, then tried the accelerometer which also works.

JeERR, Aug 10, 2010

Very cool magnetometer

Works great. Can't understand why people have to give it a bad rating because they have the wrong device! Fun for exploring grav/mag and impressing Geophysicists at parties. Wish it had labels for the modes, why should any one have to remember, guess or worse yet stop the app and go to the home page to to figure that out?

Osotoh, Feb 13, 2010

This is great

Using all features to an advantage on the 3gs, keep it up and we can see the full potential from this device!

Qwerty ;), Dec 29, 2009

Works perfect

Works exactly as described. People need to read and stop rating it one star because they don't have a 3gs.My phones magnometer usually resets around 140, so not for strong magnets. Occasionally the reading will spazz and get stuck, but I just reset it (yellow button in relative mode). If you have a 3gs this is a very cool app!

rob356, Apr 17, 2010

Gaussian around

This app is quite sensitive and visually impressive. I've been measuring Gauss units from my various devices, iPod Touch, iPad, Kindle, etc. I'm wondering what impact, if any, those fields have on me? For example, do those devices near my head contribute to insomnia or other possible health issues? Useful app! Very interesting.

rrja, Apr 09, 2013

FUNdamental

There needs to be more apps like this! (Apps that use APIs to give you fundamental information of the world around you) This allows you to view the direction and intensity of the magnetic field around you.

Scientist007, Mar 30, 2013

Vice nice

This is an excellent app, doing everything that is advertised. The arrows give a clear view of the direction of the magnetic field and the acceleration. They are a lot easier to visualize with this than by looking at the raw sensor numbers. I especially like the magnetic declination view. This is useful for learning about magnetism as well as seeing what kinds of fields are emitted by various devices around the house.

SolarFlux, May 06, 2012

Description

The first and only Vector Magnetometer on the iPhone - Visualize the hidden world of magnetism around you in 3 dimensions (3GS or later!)! It can be perfectly used to explore and measure the direction and strength of the magnetic field of random objects around you (which can be quite fascinating!). With limitations (see docs) it can be used as a metal detector to find electric lines or pipes in walls (always good to check a wall before drilling in, at least better with this than not to check at all).

Another application is to use this tool as a rough estimate of your north-south position on earth without using the GPS(!) - just by measuring the local earth magnetic declination (it works fine even while flying in a plane to check how the declination changes). Or simply explore your next Christmas present before opening it! Send us your results! The application has four different displays modes to visualize the magnetic field: - Absolute Mode: Displays the absolute magnetic field in microtesla (μT) measured by the magnetometer. - North Mode: A compass head-up displays the geographic north along with the pointer that directs to the magnetic north (thus display difference magnetic to geographic north). - Declination Mode: Two arrows will be displayed to indicate the declination of the earth magnetic field (0° just on equator, increasing to north with blue pointer direction up or south with blue pointer direction down). - Relative Mode: This mode shows the relative strength (absolute minus compensation vector) of the magnetic field in μT. … and five different display modes for acceleration visualization: - Absolute Mode: Displays the reverse acceleration of the iPhone (1g up when hold steady). - X-Rotation - Y-Rotation - Z-Rotation: The arrow will display the rotation around the X-, Y- and Z-Axis of the iPhone. The digital indicator shows the angle numerically (-180° - +180°). A way to calibrate will be added with one of the next updates, so you could use this as a level. - Relative Mode: This mode shows the relative strength (absolute minus compensation vector) of the acceleration. For a detailed documentation, please visit our product homepage. For recreational use only. However it CAN (!) be very accurate. The measurement is performed as good as possible (we try our best) by using the inbuilt accelerometer and magnetometer to their limits. The range of the accelerometer typically has a max of ±3g (~4.2g displayed here if combined) and each magnetometer usually recalibrates internally when over ±120μT in one axis. However, tell us your experience!