Comparison

EMF Field Detector RF Scanner vs Electronic Device Detector

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

EMF Field Detector RF Scanner

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.

Highlights
  • Detects electromagnetic fields (EMF)
  • Warns of high magnetic fields with beeps
  • Measures magnetic force on three axes
  • Records readings with time and date stamps
  • Stores up to 100 records
  • Sends measurements via email
Currently charting
Read full description

Turn your iPhone into a powerful EMF detector and magnetic field scanner. Detect electromagnetic fields (EMF) around you instantly using the built-in sensor already inside your device — no expensive equipment required. Whether you want to monitor electromagnetic radiation in your home, locate hidden magnetic sources, or even explore paranormal activity, this app gives you a simple and exciting way to measure the invisible world around you. Use the app to scan bedrooms, walls, electrical appliances, Wi-Fi zones, sockets, microwaves, wireless devices, and more. Discover areas with unusually high magnetic activity and receive an instant warning beep when strong EMF levels are detected. Many users also enjoy using the app during ghost hunts and paranormal investigations, as sudden magnetic fluctuations are often associated with supernatural activity. NEW: Experience EMF detection in Augmented Reality. Visualize electromagnetic fields in Augmented Reality to better understand how EMFs spread throughout your home, office, or workspace. The app allows you to see a figurative representation of magnetic activity around you, helping you identify high-radiation zones and understand how far electromagnetic fields may reach in real-world environments. Explore EMFs in a more immersive and intuitive way by combining real-time detection with AR visualization technology. Transform your iPhone into a digital EMF Meter, Teslameter, or electromagnetic field tester using the internal compass hardware. View live magnetic field readings in real time and monitor changes on all three axes (X, Y, Z). Scientists, engineers, students, teachers, paranormal investigators, and curious explorers use EMF detectors to measure magnetic activity in everyday environments. Why use this app? • Detect high electromagnetic field zones around you • Monitor EMF levels near beds, appliances, or workspaces • Receive warning alerts when strong magnetic radiation is detected • Track and store measurements with time and date stamps • Investigate unusual magnetic fluctuations during ghost hunting sessions • Find metallic objects, pipes, or hidden sources behind walls • Explore the invisible electromagnetic world around you Features: • Real-time EMF and magnetic field detection • Warning beep near strong radiation sources • Measures magnetic force on X, Y, and Z axes • Magnetic readings displayed in microteslas (µT) • Save up to 100 EMF records • Record events with exact date & time • Export and send measurements by email • Easy-to-use digital display interface Electromagnetic radiation may come from electrical wiring, appliances, wireless devices, cordless phones, Wi-Fi equipment, sockets, and other electronic sources in your environment. Tips: For best accuracy, calibrate your iPhone by moving it in a figure-8 motion before use. Important: This app requires an iPhone with compass hardware and will not work on iPod Touch devices. Disclaimer: This app is intended for entertainment and informational purposes only. It uses the iPhone magnetometer sensor to detect magnetic field variations near ferromagnetic objects and electromagnetic sources. Download now and start discovering the hidden electromagnetic activity around you.

About

Electronic Device Detector

This app helps you locate lost or hidden electronic devices nearby. It offers two modes: an Infrared Detector for IR-emitting devices like remotes and cameras, and a magnetic sensor mode to find electronics like phones and laptops by analyzing magnetic fields. It also provides tips for staying protected in public.

Highlights
  • Infrared Detector mode
  • Magnetic sensor mode
  • Find lost phones
  • Detect hidden cameras
  • Tip & Tricks for protection
  • Scan for electronics
Features
Read full description

Electronic Device Detector/Finder app facilitates you to detect any kind of electronics in your vicinity. It is for you if you usually forget where you have put your phone and its on silent. You can easily find lost or hidden devices nearby. App Provides you with 2 modes: 1- Infrared Detector - You can detect Remotes or IR cameras with this mode or any device which emits an IR light. Just close all lights in the place you are and open IR camera mode and scan moving iPhone full 360 degrees, If you see white light or blue light that is invisible to naked eye, then it is infrared light and it could be infrared camera or a remote, well you have to inspect further. Usage: Test with TV remote control light - See TV remote control head with normal eye and press any button, you will not see any light. Then open normal camera or open app and see through the camera - you will see white light. Reason for this is that infrared light is not visible to naked eye but it is visible when seen through a camera. This way you can easily detect IR emitting devices if any. 2. Scan with magnetic sensor – With this mode, app analyse magnetic field around the phone. This feature enables you to find electronic devices like mobile, laptop/pc, cameras etc. If there is a high magnetic filed around, the app will show a warning so you can further investigate. Usage: Move top of your iPhone very close to the object you suspect. It could be screw, flowerpot, shower head, toys or anything that you find suspicious. If app shows a warning when the phone is brought closer to the object, further investigate for camera lens or a mobile phone or any electronic device. It can also be used as hidden camera detector while staying at a hotel room. App also provide you with tip & Tricks so that you can stay protected with some simple tricks or hacks whenever you are in public place. Please rate, comment if you like our app so that we can improve further.

Screenshots

EMF Field Detector RF Scanner4 screens
Electronic Device Detector4 screens

Verdict

The call

The clearest difference is review sentiment: EMF Field Detector RF Scanner at 84% against Electronic Device Detector's 25%. EMF Field Detector RF Scanner also leads on update cadence (every 3 weeks vs every 45 months) and chart position (#95 vs unranked). Electronic Device Detector's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

EMF Field Detector RF Scanner costs $4.99 and Electronic Device Detector $0.99 up front. EMF Field Detector RF Scanner sells 2 one-off in-app purchases. Electronic Device Detector asks for nothing beyond the download.

UpkeepUpdate frequency

EMF Field Detector RF Scanner ships an update every 3 weeks, Electronic Device Detector every 45 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 4 level
EMF Field Detector RF Scanner versus Electronic Device Detector: the parameters behind the verdict, then further details
ParameterEMF Field Detector RF ScannerElectronic Device Detector
Price$4.99$0.99 — better
Rating4.5 (5.5K ratings) — better—
Positive reviews83.6% of reviews — better25.0% of reviews
Number of ratings5.5K — better—
Update frequencyEvery 3 weeks — betterEvery 45 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#95 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.6 — better16
Further details — not scored
Size56 MB11 MB
Age rating4+4+
DeveloperJorge Gregorio Martin BelloMuhammad Aqib

Customer experience

EMF Field Detector RF Scanner

All ratings5,535 ratings
Positive90.4%
Neutral5.4%
Negative4.2%
Written reviews1,130 reviews
Positive83.6%
Neutral5.5%
Negative10.9%

Electronic Device Detector

Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Bugs and requests

EMF Field Detector RF Scanner

Reported bugs

2 issues
  • App freezes or stops working after updates
  • Readings not always accurate or reliable

Requested features

3 requests
  • Ability to export data
  • More detailed explanations and guidance
  • Compatibility with other EMF measurement devices

Electronic Device Detector

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

EMF Field Detector RF Scanner

One-time2
  • Premium Pack$4.99
  • Special Offer$4.99
None

Electronic Device Detector

No in-app purchases

Questions

Is EMF Field Detector RF Scanner free?
EMF Field Detector RF Scanner costs $4.99, and also offers in-app purchases.
Is Electronic Device Detector free?
Electronic Device Detector costs $0.99, with no in-app purchases.
Do EMF Field Detector RF Scanner or Electronic Device Detector have ads?
EMF Field Detector RF Scanner shows ads; Electronic Device Detector does not.
Which is updated more often, EMF Field Detector RF Scanner or Electronic Device Detector?
EMF Field Detector RF Scanner ships an update every 3 weeks, and Electronic Device Detector every 45 months. Most recently, EMF Field Detector RF Scanner was updated on October 22, 2026 and Electronic Device Detector on October 9, 2026.

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