Comparison

EMF Radiation Detector Reader vs Ghost Vision SLS

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

Head to head
About

EMF Radiation Detector Reader

Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.

Highlights
  • Detect EMF radiation
  • Measure EMF levels
  • Identify risk zones
  • Organize living space
  • Measure appliance emissions
  • No expensive equipment needed
Features
Read full description

> Detect Invisible Fields: Find the ElectroMagnetic Fields around you in seconds > Pro-Grade Precision: High-accuracy Magnetic Field Analyzer & Gauss Meter with Advanced Signal Stabilization. > Record, Analyze & Export: track trends with interactive data charts and save detailed logs for professional analysis. Check out the areas where you work (desk, meeting rooms), where you sleep (bed), where you relax (couch, living room) and find the levels of EMF you are exposed to. Also use the app to measure the fields emitted by your appliances (computer, fridge, speaker, phone...). PROFESSIONAL MAGNETIC FIELD ANALYZER & GAUSS METER: Discover the invisible magnetic world around you. Using your device’s internal magnetometer, the app provides a comprehensive look at the electromagnetic fields (ELF) generated by electronic devices, wiring, and ferromagnetic materials. NEW PROFESSIONAL FEATURES: - 3-Axis Vector Analysis: Real-time $x, y,$ and $z$ coordinate tracking for precise field directionality. - Interactive History Graphs: Visualize time evolution with high-resolution charts that track spikes and trends. - Clean Signal Mode (LPF): Toggle an advanced Low-Pass Filter to stabilize readings and remove sensor jitter for professional-grade clarity - Save & Export Logs: Record your sessions and export data for further analysis in external software. VERSATILE USE CASES: Electronics Inspection: Measure the magnetic footprint of computers, speakers, and home appliances. Metal Detection: Locate ferromagnetic objects like iron pipes or steel studs behind walls. Interference Calibration: Find the "quietest" zones for sensitive electronic equipment or audio setups. USER EXPECTATIONS & DISCLOSURE: This app is designed as a sophisticated utility for detecting Magnetic Fields (ELF). What it detects: Magnetic flux from magnets, ferrous metals, and the low-frequency electromagnetic fields emitted by electronic components, power supplies, and speakers. What it does NOT detect: This app is not a radio frequency (RF) scanner. It cannot detect Wi-Fi signals, Bluetooth, 5G cellular radiation, or microwave leakage. DISCLAIMER: - This app is intended for educational and utility purposes. It is not a substitute for certified industrial or scientific equipment. It does not provide medical advice or guarantee "safe zones" in a clinical sense. This app does not guarantee exact measures as other fields can interfere with the compass inside your phone, which is used to detect the fields. SUBSCRIPTIONS: - Length: weekly, yearly - Your payment will be charged at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase - To Manage or Cancel your subscription, it can be done via the Settings app of your device. For more detail, see https://support.apple.com/en-us/118428 . - To Manage or Cancel your subscription, it can also be done directly from the app: Go to ‘Settings’ screen inside our app, tap on ‘Manage Subscriptions’ and the app will directly open the list of your Subscriptions with the AppStore. You can select a subscription and check available plans or cancel subscription. - When canceling a subscription, your subscription will remain active until the end of the period. Auto-renewal will be disabled but the current subscription will not be refunded. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Read our Privacy Policy at: https://roundingsquares.com/privacy/ Read our Terms of Use at: https://roundingsquares.com/terms/

About

Ghost Vision SLS

This app uses advanced AI and lidar-enabled infrared imaging to detect human figures and provide unparalleled night vision. It offers 3D visualization, real-time alerts, and the ability to record and share findings, enhancing paranormal investigations.

Highlights
  • AI-driven infrared imaging
  • Real-time human figure detection
  • 3D visualization and analysis
  • Night vision in total darkness
  • Record and share findings
  • Lidar-enabled functionality (iPhone Pro)
Features
Read full description

Unlock the full potential of your paranormal investigation and experience a world previously unseen. See in low-light. See in total and complete darkness. Detect human figures. © See what cannot be seen. © Ghost Vision uses AI-driven software and hardware components similar to those found in ®Kinect-driven SLS devices, used by professional paranormal investigators worldwide. © Ghost Vision utilizes structured-light *lidar-enabled infrared imaging, AI-directed computer vision, GPU image filtering, and advanced hardware management to provide unparalleled night vision, 3D visualization, image processing, and real-time human figure detection. Key Features •Unparalleled, world-class, professional series software. •3D visualization and analysis. •Real-time human figure detection. •Automatically record and alert when a human figure is detected. •Detect human figures in any environment and virtually any lighting condition. •Lidar-enabled infrared depth-driven imaging.* •Lidar-enabled infrared-driven night vision. See in total and complete darkness.* •Twilight-enabled low-light visibility. See in extremely low-light environments. •Multiple state-of-the-art AI-driven vision models. •Filter ambient noise to isolate and enhance your surroundings. •Human figure joint confidence visualization. •Record, analyze, and share photos and video recordings. •Intuitive, professional, easy-to-use design. •Extensive help section. •Easy access to customer support. •Lifetime updates. *Lidar-enabled functionality is available only on iPhone Pro devices. Frustration Free •No Ads •No Gimmicks •World-Class Customer Support If you have any questions, comments, or concerns about this app, please contact us at: JedaSoftwareSystemsHelp@gmail.com https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

EMF Radiation Detector Reader3 screens
Ghost Vision SLS4 screens

Verdict

The call

The clearest difference is ads: Ghost Vision SLS at none against EMF Radiation Detector Reader's shown. EMF Radiation Detector Reader's advantage is ratings volume (4.7K vs 343) and device support (3 vs 1). On price, rating, review sentiment and update cadence 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

Both are free to download. EMF Radiation Detector Reader sells 2 in-app purchases, starting at $1.99 per 7 days and Ghost Vision SLS sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for EMF Radiation Detector Reader against 4.5 for Ghost Vision SLS. That said, the two scores are not equally well evidenced: EMF Radiation Detector Reader has 4.7K ratings behind it against 343, so its average is the more settled of the two. Written reviews are what separate them: 53% of EMF Radiation Detector Reader's written reviews are positive against 47% of Ghost Vision SLS's.

UpkeepUpdate frequency

EMF Radiation Detector Reader ships an update every 7 months, Ghost Vision SLS every 4 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
EMF Radiation Detector Reader versus Ghost Vision SLS: the parameters behind the verdict, then further details
ParameterEMF Radiation Detector ReaderGhost Vision SLS
PriceFreeFree
Rating4.5 (4.7K ratings)4.5 (343 ratings)
Positive reviews52.8% of reviews — better47.5% of reviews
Number of ratings4.7K — better343
Update frequencyEvery 7 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.0
Further details — not scored
Size20 MB176 MB
Age rating4+9+
DeveloperRounding Squares BVMichael Weber

Customer experience

EMF Radiation Detector Reader

All ratings4,738 ratings
Positive87.4%
Neutral4.8%
Negative7.8%
Written reviews371 reviews
Positive52.8%
Neutral8.9%
Negative38.3%

Ghost Vision SLS

All ratings343 ratings
Positive88.0%
Neutral5.5%
Negative6.4%
Written reviews59 reviews
Positive47.5%
Neutral13.6%
Negative39.0%

User reviews

EMF Radiation Detector Reader

From 4.7K App Store ratings

What we love

  • 👍 Works well around microwave
  • 👍 Consistent results
  • 👍 Useful tool for detecting EMF
  • 👍 Legit EMF detection
  • 👍 Helps find problem areas

Room to improve

  • 🐛 Ads cover reading numbers
  • 🔍 Unclear how to interpret readings
  • ⚠️ Questionable accuracy, only detects magnets
  • 🔍 No explanation of safe/unsafe levels
  • 🐛 Doesn't detect radio frequencies

Ghost Vision SLS

From 343 App Store ratings

What we love

  • 💡 Innovative LiDAR feature
  • 👍 Great value for money (paid version)
  • 👻 Fun and exciting experience
  • ✅ Accurate representation (for some users)
  • 🌟 Better than other ghost apps

Room to improve

  • 💰 Expensive paywall for features
  • 💸 App takes money but gives nothing
  • 👎 Fake SLS camera accusations
  • 🚫 No free trial for full features
  • 📉 Battery drain reported

Bugs and requests

EMF Radiation Detector Reader

Reported bugs

2 issues
  • Readings inconsistent or inaccurate
  • Doesn't work as expected, only detects magnets

Requested features

3 requests
  • Add sound or vibration alerts for high EMF
  • Provide more information on EMF levels and safety
  • Improve layout to avoid ads covering readings

Ghost Vision SLS

Reported bugs

7 issues
  • Recorded files corrupted (no video/audio)
  • Bug with turning LiDAR on/off in landscape orientation
  • App freezes and not functioning
  • Paid features not unlocking after payment
  • App does not open after payment
Show 2 more
  • Glitch when trying to look at ghosts
  • App doesn't work after monthly payment

Requested features

7 requests
  • Allow trial for paid features
  • Add 4K recording
  • Offer different color options for LiDAR depth and joints
  • Option to save visible color video and LiDAR depth separately
  • Repair corrupted video feature
Show 2 more
  • Connect Xbox Kinect
  • Dark mode option

In-app purchases

2 purchases

EMF Radiation Detector Reader

Subscriptions2
  • EMF Radiation Detector Premium Week3 Days trial$1.997 Days
  • EMF Radiation Detector Premium Year$9.991 Year
2 purchases

Ghost Vision SLS

Subscriptions1
  • Full Access Subscription$1.991 Month
One-time1
  • Lifetime Full Access$11.95

Questions

Is EMF Radiation Detector Reader free?
EMF Radiation Detector Reader is free to download, with in-app purchases available.
Is Ghost Vision SLS free?
Ghost Vision SLS is free to download, with in-app purchases available.
Which has better reviews, EMF Radiation Detector Reader or Ghost Vision SLS?
EMF Radiation Detector Reader and Ghost Vision SLS are both rated 4.5 out of 5 on the App Store, from 4.7K and 343 ratings respectively.
Do EMF Radiation Detector Reader or Ghost Vision SLS have ads?
EMF Radiation Detector Reader shows ads; Ghost Vision SLS does not.
Which is updated more often, EMF Radiation Detector Reader or Ghost Vision SLS?
EMF Radiation Detector Reader ships an update every 7 months, and Ghost Vision SLS every 4 months. Most recently, EMF Radiation Detector Reader was updated on September 24, 2026 and Ghost Vision SLS on September 22, 2026.

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