EMF Detector (Scanner) vs EMF Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EMF Detector (Scanner)
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EMF Detector helps you visualize Electromagnetic Field (EMF) activity around you using your iPhone’s built-in magnetometer. Whether you are checking electronics, exploring your environment, or tracking unusual magnetic changes, EMF Detector provides a clear and easy-to-read real-time experience. KEY FEATURES • Real-time EMF meter with smooth, responsive updates • Live waveform and graph views for continuous monitoring • FFT view to inspect frequency components of signal changes • Signal change detection to catch sudden spikes and drops • Measurement history so you can review previous sessions • Export options (such as PDF and video capture) for sharing and reporting • Sound effects and feedback options for interactive monitoring • Clean, intuitive interface designed for quick readings USE CASES • Scan around household electronics • Compare magnetic activity in different rooms • Observe signal behavior near cables, adapters, and devices • Record and share findings for personal reference IMPORTANT NOTES • This app is for general informational and educational use. • Because this app uses your phone’s built-in sensors, readings may vary depending on your device specifications, device condition, and surrounding environment; use all measurements for reference only. Upgrade options may be available for additional features and an enhanced experience.
EMF Scan
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Measure electromagnetic fields (EMF) in real time using your smartphone's built-in magnetic sensor. [Key Features] • Real-time magnetic field strength display (switch between µT / mG) • Automatic saving of measurement data and history management • Map view of measurement locations • Sound alarm (volume changes with field strength) • Color themes (11 in total — dark and light pastel) • Ad-removal option (one-time purchase; also unlocks some color themes) [Great For] • Anyone concerned about magnetic fields around home appliances or power lines • Anyone who wants an easy alternative to a dedicated EMF meter • Anyone who wants to record and manage measurement data * This app uses your smartphone's magnetic sensor. Its accuracy differs from that of a dedicated measuring instrument.
Screenshots
Verdict
The clearest difference is device support: EMF Scan at 3 against EMF Detector (Scanner)'s 1. EMF Scan also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and in-app purchases 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
Both are free to download. EMF Detector (Scanner) sells 2 one-off in-app purchases and EMF Scan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.
| Parameter | EMF Detector (Scanner) | EMF Scan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | +4 | 4+ |
| Developer | JongMin Lee | Yasuhiro Kodama |
In-app purchases
EMF Detector (Scanner)
- 1 Month Premium Pass$0.99
- 1 Year Premium Pass$2.99
EMF Scan
- 広告を削除$0.99
Questions
Is EMF Detector (Scanner) free?
Is EMF Scan free?
Do EMF Detector (Scanner) or EMF Scan have ads?
Which is updated more often, EMF Detector (Scanner) or EMF Scan?
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