Stay in a healthy environment. Discover nearby radiations behind walls, leaks and microwaves. Check if your bedroom is a suitable place to rest.

Track magnetic fields near you. A warning beep will be activated to warn you and prevent health problems.
The app detects ferromagnetic metals using the iPhone's built-in compass feature. Also works as Electrosmog (EMP) detector.
Detect many kinds of home appliances that create radio-frequency EMF. For example:plugs,cell phones,routers, baby monitors, doorbells, intercom systems,night alarm clocks, electronic appliances , electrical wire, antennas. They emit radiation that damage our organism.
If you are reading this is because you've asked yourself: How much radiation is in my home right now? You can check the limit allowed in the "Radio-Frequency Radiation Guidelines - for continuous and prolonged exposure" in the instructions button of this app.
The higher measures of magnetic fields are stored. Even the time when the measure was taken, so you can locate the source of magnetic radiation.
Even the World Health Organization has recently acknowledged that electromagnetic radiation might cause serious diseases, such as cancer.
This app is intended for entertainment purposes only and does not provide true electromagnetic and electrosmog detector functionality.

Note: This app will not work on an iPod Touch, since it does not have a compass hardware.
Tip: Shake for calibration
Scientist, Teachers, Students, Engineers, all use EMF Meter's for detecting magnetic fields of all types.
This app will not work on an iPod Touch, since it does not have a compass hardware.

-Track high magnetic fields and when has it been measured.
-Table guide "Radio-Frequency Radiation Guidelines - for continuous and prolonged exposure".
-Warning beep near focus radiation.
-Detect the strength of Magnetic force fields on all three axis’s (x,y,z).
-Magnetic force is calculated in microteslas ( µ T )
-Record your readings with a time & date stamp of each event.
-Store until 100 records.
-Send measures by email.

Please observe and respect the iPhone user manual and warranty if you intend to use your iPhone as a scientific device. We are not responsible for any damage that you or any other force of nature may cause to your device.
Download it now to prevent stay near magnetic radiations!

Bello Studios is dedicated to updating their apps regularly to make sure they deliver the very best user experience. If you have any issues to report or suggestions to make, please email the device you’re using, iOS version, and a detailed description of the problem to

What’s New

Version 4.8

The algorithm accuracy has been improved.

Ratings and Reviews

4.4 out of 5
165 Ratings

165 Ratings

Scared of EMF'S ,

EMF surges in my home.

I purchased this app because I’ve been experiencing extremely high levels of electromagnetic energy waves in my home that I believe are making me feel very sick. I’m scared that if I don’t find a way to stop this from happening that it’ll cause me to have serious health problems after long term exposure.

Pianoman 11 ,

Does not work accurately as a real meter would

I purchased this app thinking it would be more accurate, but the fact is it never reads less than .80ut and that is in danger zone! This could definitely freak a person out if they rely on this data solely. Now it does tell you if you get close to a strong source of EMF. Let me be clear, EMF is not what a cell phone or WiFi produces, so you would never know if you are being cooked by your phone or not. EMF registers magnetic fields vs radio frequencies. If you are looking for a good meter to do both, try the Cornet Electrosmog meter, which is what I have. When I did a side by comparison of this app and the Electrosmog meter, the app said .89uT and the standalone meter said between .005 and .01uT. That is a huge difference! Only reason I gave this app more than 1 start is it can tell you if you are right on top of a danger source, but it is no where accurate and in my opinion very much a waste of your hard earned money. If you want to know meters and all the info there is to know, go to EMF Help Center to learn what you need to know about being safe from RF/EMF. You be surprised at what is spewing out junk at your home, in your car and at your office! Have fun!

bearbqd ,

Keeps charging me!

I paid the stupid $1.99 for the app because of multiple good reviews. When I started using it, it seemed to work and 60 seconds later I get a pop up wanting me to pay another .99 cents to avoid adds and have unlimited test time without interruption. I dismissed this at first and continued testing it. It kept showing the pop up so I said “fine” and paid another .99. Two minutes later it brings up the same pop up even though I had just paid for their stupid upgrade and got confirmation that payment was succesful! How many times are they gonna charge me? As many times as I am stupid enough to reply ok? I don’t think so rip off machine.

In-App Purchases

EMF Waves and time unlimited
No time limit & alarm enabled & save more

App Privacy

The developer, Jose Bello, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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