--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "EMF Detector - EMF Meter" developer_entity: "Kyu-Hee Jang" bundle_id: "com.simonj.emfmeter" app_store_id: "6759903916" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-08-14" report_date: "2026-08-15" last_verified: "2026-08-15T00:00:00.000Z" report_version: "1.0.32" total_reviews: 4 overall_rating: 4 confidence: "low" confidence_score: 0.2 data_age_days: 1 momentum_velocity: "active" intelligence_version: 3 tags: ["utilities", "free", "mobile app", "app review", "app analysis", "electricians,", "safety", "inspectors,"] canonical_url: "https://marlvel.ai/apps/emf-detector-emf-meter" license: "CC-BY-NC 4.0" content_version: "v2" --- # EMF Detector - EMF Meter Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 4 > **TL;DR:** EMF Detector - EMF Meter is a utilities app by Kyu-Hee Jang, rated 4/5 by 4 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** EMF Detector - EMF Meter is a utilities app by Kyu-Hee Jang. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (4 reviews) | | **Category** | Utilities | | **Developer** | Kyu-Hee Jang | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Low (0.2/1.0) | | **Data Age** | 1d | ## Metadata & Market Performance - **Publisher:** Kyu-Hee Jang - **Category:** Utilities - **Target Audience:** Electricians, home safety inspectors, and paranormal investigators requiring magnetometer-based field detection. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0.32 - **Report Date:** 2026-08-15 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.2/1.0) - **App Store ID (iOS):** 6759903916 - **Bundle ID:** com.simonj.emfmeter - **Google Play ID:** com.simonj.emfmeter - **Performance Trend:** Improving - **Data Window:** Analysis based on signals collected up to 2026-08-15 ## Executive Snapshot **What it is:** EMF Detector is a magnetometer-based field scanner for iOS and Android, designed for electricians, home safety inspectors, and paranormal investigators. **Why users hire it:** The app removes the need for dedicated hardware by repurposing the phone's internal sensor, providing a low-friction entry point for users investigating household wiring or environmental anomalies. ## App DNA (Features & Intent) - **[Differentiator] Measurement History:** Auto-saves readings with 7-day trend charts and comparative insights. * *User Intent:* Users want visibility into their own performance and progress. - **[Differentiator] Paranormal Mode:** Baseline-relative anomaly detection with 5-level intensity alerts for ghost-hunting workflows. * *User Intent:* Users want timely prompts to stay engaged without missing updates. - **[Standard] Safety Reference Library:** Contextualizes readings against ICNIRP public reference levels and household appliance benchmarks. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} EMF Detector maintains a 4-star rating on iOS with 4 total ratings, while the Android version remains unrated. The rapid 16-day update cadence suggests a focus on sensor calibration to differentiate from static, unmaintained rivals. ## Monetization Strategy - **Model:** Free - **Tiers:** Free version with ad support - **Analysis:** The app operates on an ad-supported model with no current paid-tier gates or IAP. ## SWOT Analysis {#swot} **Core Strengths:** - 7-day trend history creates a data-retention loop - Baseline-relative anomaly detection serves the ghost-hunting segment **Growth Levers:** - Pro-tier removal of ads for high-intent investigators ## Recent Changes (v2 → v3) {#recent-changes} The app has pivoted toward active user education to mitigate churn caused by hardware limitations, while the outlook trend has improved due to consistent sensor calibration updates. **Overall trend**: Improving **Compared at**: 2026-08-15 ### High-impact changes - **[Shifted] Strategic focus on user education** (positioning) ### Medium-impact changes - **[Added] New SWOT constraints** (swot) - **[Shifted] Contrarian take pivot** (positioning) ## What's New - **Latest (v1.0.29, 2 weeks ago):** General performance and stability improvements. - **Last Major (v1.0.32, yesterday):** Implemented figure-8 calibration to isolate internal phone magnetism from external fields, preventing false positives during wall scanning. ## App Momentum (Active) {#momentum} - Shipped three updates in 16 days. - Integrated 7-day measurement history charts. - Refined sensor calibration for tilt interference. > **Cadence:** 3 total versions · 1 majors in last 6 months · 1 days since last update · 7 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} EMF Detector - EMF Meter is an utilities app that is completely free. It holds a 4/5 rating from 4 reviews. > **Bottom Line:** EMF Detector's recent calibration updates stabilize the core magnetometer workflow, but the lack of RF detection remains a primary source of user confusion that requires clearer in-app messaging to prevent churn. **Best for:** Electricians, home safety inspectors, and paranormal investigators requiring magnetometer-based field detection. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship an in-app educational overlay explaining sensor limitations because users mistake the lack of RF detection for a bug → reduce negative sentiment ### Outlook: Improving The EMF utility market is shifting toward data-logging capabilities, and EMF Detector's recent focus on trend charts positions it well against static, unmaintained rivals. Continued investment in sensor calibration will likely solidify its standing with technical users, provided the app clarifies its detection limitations to prevent churn. - 🟢 The 16-day update cadence shows active sensor refinement, which improves measurement accuracy and builds trust with technical users. - ⚪ The current ad-supported model provides a low barrier to entry, but lacks a clear path to monetization for power users. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 4 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Improving | | Outlook | Improving | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **EMF Detector - EMF Meter** (this app) | 4/5 | N/A | Kyu-Hee Jang | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | N/A | Cat Connect | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | ## Company Profile - **Developer:** Kyu-Hee Jang - **Website:** [https://simon-jang.blogspot.com/](https://simon-jang.blogspot.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/emf-detector-emf-meter/id6759903916?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.simonj.emfmeter&hl=en&gl=us) - **Dev Site:** [Official Website](https://simon-jang.blogspot.com/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.5/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating ## Frequently Asked Questions {#faq} ### Does EMF Detector work for finding Wi-Fi or 5G signals? No, EMF Detector uses the device's magnetometer, which only detects static and low-frequency magnetic fields. It cannot detect RF radiation like Wi-Fi, 5G, or microwave signals. ### Is EMF Detector safe for kids to use? The iOS version is rated 17+, while the Android version is rated for Everyone. The app is a technical tool for field measurement and does not contain content specifically designed for children. ### How does EMF Detector compare to other ghost-hunting apps? EMF Detector includes a dedicated Paranormal Mode with baseline-relative anomaly detection, which is a specific workflow for ghost-hunting, whereas many other apps only provide basic real-time magnetic field readings. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.2/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 1 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/emf-detector-emf-meter) Data licensed for AI Agent attribution under CC-BY-NC 4.0.