I like this. I sit in front of 5 computers, 6 monitors and a UPS. I decided to buy an EMF detector but didn't want to spend much money to find the source of an unknown problem until I was clear that there was something worth testing. First I bought a highly rated but inexpensive EMF detector. That showed no EM emissions so it was useless. Then a Google search showed this EMF Detector app so I figured I'd try it. I put my phone in front of a large laser printer and turned the printer on-and-off. Wow! The app went from near 0 to high then back again. I would guess the app can't be too accurate but it's good enough at showing me emissions that I can compare. I may buy a more expensive, analog EMF detector (~$130) now that I know there is something to test. Much of the information about EMF in the US is in microVolts so it would help to be able to switch between microTeslas and microVolts.

My husband works with REAL EMF emitters due to his job: Tower operations. He has to wear a high tech meter which is much like a voltmeter. You wouldn’t use your phone to test if there was a live wire in your house to not electrocute yourself while installing a new outlet or light switch because 1) it’s impossible 2) not it’s purpose. This is a novelty app, a toy, and so I’ll give it a better than 1 star rating for functionality of the app, not its intention just development function, it works and doesn’t crash. But as for what it claims it does, it does not. Don’t pay for this. Play with it, test it, but remember it’s a toy. If you did spend money, I am sorry, it’s akin to paying for your coffee three times: first when you buy it, second when you tip too high for it. Your phone can not detect EMF. Period. A brand new magnet, out the package not near or having ever touched an electrical device emitted very high. A second magnet, same. My clock: nothing. My Fitbit: nothing. My stove: Nothing! A fridge magnet, omg dangerous. A flat quarter sized magnet for my clipboard: dangerously high. And only when I touch it to the phone. If you want a real monitor if you are truly concerned about EMF and your health, please do yourself a favor and put your money towards a real meter. Otherwise understand that this app and apps like this are a novelty item, a toy.

With Tomato plants spelled with an M, you know what I am talkin about, ohhh....this device points out where my upstairs neighbor is stuffing the wires. The lady in a prior review said this doesn’t recognize EMF but I think differently, I have readings in the 8s when the device is on the wall and .54 in clear areas. It works and is well worth the three bucks. Your right, its not an official test guage but is giving me proper signals....you see from an early age I had the ability to feel energy ...... for instance, I can feel the battery of a watch on my wrist. About a week ago, I felt a wave of energy on my hand while laying on my air mattress next to the wall. I would move my hand over the wall and feel the hot ( juice energy-not referring to temp) coming off the wall. When I received the app, it indicated the lines my upstairs neighbor was stuffing in the walls was putting out this energy. My chest face arms facing the wall where red and orange in color when i woke up in the middle of the night. I looked at my right eye in the mirror and noticed a red vein in the white area expanding and contracting from the aggravation of the energy pulsations. The recordings automatically save to the phone and then I took a pic and saved to phone. These levels are ridiculously high. I am concerned! I have felt funny in this room and now know why I dont sleep well. Peace

I believe the day will come — I hope sooner than later — when everyone realizes the potential problems and even possibly dangers pursuant to EMF (ElectroMagnetic Frequency) levels in any given location — especially one’s own home or workplace/workspace.But no way are we there yet. Too little is generally understood about the fundamental, underlying physics/science of it. How many of us even truly remember, without being told or Googling it or whatever, what the electromagnetic spectrum even is? And how many after that understand the basic ramifications — not to mention the basics of this science — sufficiently well to realize on their own what could be a very serious problem in most people’s lives right now and for some time now? And the fact that it only seems to be getting worse over time?I get the idea not very many. It is apps like this that will help all of us in this area, what it is, why it matters, when it matters — and hopefully how to find out without going overboard and becoming that ever-increasingly-evil thing: PARANOID!!!You see, when logical argument fails, most people simply resort to name-calling, shame ‘e-mail into silence, and even bullying of all kinds and types in order to get people to walk a line that is not necessarily in their best interest.Here’s hoping....