---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Emf Detector Radiation Reader"
developer_entity: "Bello Studios LLC"
bundle_id: "com.martinstudios.emfdetector"
app_store_id: "1588868540"
google_play_id: "com.richdev.emfmeter"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2025-08-18"
report_date: "2026-06-18"
last_verified: "2026-06-18T13:26:37.129Z"
report_version: "6.2"
total_reviews: 2370
overall_rating: 4.75
sentiment: "Thrilled"
sentiment_score: 90
confidence: "high"
confidence_score: 0.65
top_praise_theme: "Real-time electromagnetic field detection provides actionable environmental awareness for users concerned about radiation exposure"
top_complaint_theme: "Measurement recording resets to zero after reaching specific high-value thresholds during active monitoring"
top_request_theme: "Export functionality for recorded measurement data to external email or storage platforms"
review_sample_size: 49
total_review_count: 49
analyzed_review_count: 49
data_age_days: 9
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "EMF Detector"
competitor_count: 6
tags: ["utilities", "freemium", "thrilled sentiment", "mobile app", "app review", "app analysis", "users", "interested", "detecting"]
canonical_url: "https://marlvel.ai/intel-report/utilities/emf-detector-radiation-reader"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Emf Detector Radiation Reader App Audit

## TL;DR {#tldr}

- **Category**: Utilities · Freemium
- **Signal**: Rating 4.75 · Sentiment Thrilled
- **Recent focus**: Measurement recording resets to zero after reaching specific high-value thresholds during active monitoring (top complaint) · Real-time electromagnetic field detection provides actionable environmental awareness for users concerned about radiation exposure (top praise) · Export functionality for recorded measurement data to external email or storage platforms (top request)

> **TL;DR:** Emf Detector Radiation Reader is a utilities app by Bello Studios LLC, rated 4.75/5 by 2.4K users, with Thrilled user sentiment (90/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Emf Detector Radiation Reader maintains Thrilled user sentiment (4.75/5 from 2.4K reviews), with users consistently praising real-time electromagnetic field detection provides actionable environmental awareness for users concerned about radiation exposure.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.75/5 (2.4K reviews) |
| **User Mood** | Thrilled |
| **Category** | Utilities |
| **Developer** | Bello Studios LLC |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.65/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Bello Studios LLC
- **Category:** Utilities
- **Target Audience:** Users interested in detecting electromagnetic fields, identifying metal objects, or investigating environments for potential paranormal activity.
- **Platforms:** iOS & Android
- **Version Audited:** 6.2
- **Audit Date:** 2026-06-18
- **Signal Count:** 49 reviews analyzed
- **Confidence:** High (0.65/1.0)
- **App Store ID (iOS):** 1588868540
- **Bundle ID:** com.martinstudios.emfdetector
- **Google Play ID:** com.richdev.emfmeter
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-06-18
- **Short Description:** EMF meter detect fields emitted by moving electrically charged objects

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Emf Detector Radiation Reader is a utility app for iOS and Android that uses device magnetic sensors to visualize electromagnetic fields and detect metal objects.
**Why users hire it:** Users hire this app to gain environmental awareness regarding radiation exposure or to investigate environments for potential paranormal activity.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Magnetic Field Sensor Integration:** Uses the device hardware sensor to measure electromagnetic field strength in real time
- **[Differentiator] Historical Data Logging:** Stores high-value magnetic field readings with date stamps for longitudinal monitoring
- **[Differentiator] Radio-Frequency Exposure Guidelines:** Provides a reference table for continuous and prolonged exposure limits
  * *User Intent:* Users need clear guidance to understand and adopt the product quickly.
- **[Standard] Visual Data Representation:** Displays field readings via LED indicators, graphs, and speedometer needle meters
- **[Standard] Warning Beep:** Audible alert triggered when the device detects high magnetic field emissions
  * *User Intent:* Users want timely prompts to stay engaged without missing updates.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

The app maintains a presence in the Paid category across multiple international markets, though it shows volatility with significant rank drops in the US and European regions. The lack of a unified monetization strategy across iOS and Android limits its ability to scale discovery compared to pure-play ad-supported rivals.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free (Android) with ad support, Paid ($4.99) (iOS) for full feature set
- **Price:** iOS: $4.99
- **Analysis:** Platform-split monetization: Android relies on ad-inventory from a free user base, while iOS utilizes a $4.99 upfront purchase model.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 49 of 49 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.75/5
- **Platform Split:** iOS 4.6/5 (1.3K ratings) | Android 4.9/5 (1.1K ratings)
- **Overall Sentiment:** Thrilled

### Top Praises
- **Real-time electromagnetic field detection provides actionable environmental awareness for users concerned about radiation exposure**
- **Visual color-coded interface allows users to interpret complex magnetic readings without specialized technical knowledge**
- **High measurement accuracy matches dedicated hardware devices used for professional or hobbyist EMF monitoring**

### Top Complaints (Impact Areas)
- **Measurement recording resets to zero after reaching specific high-value thresholds during active monitoring**

### Top Requests (What Users Want)
- **Export functionality for recorded measurement data to external email or storage platforms**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Hardware-sensor integration provides immediate utility without external dependencies
- Color-coded visual interface lowers the technical barrier for non-expert users
- Audible warning alerts create a retention loop for environment scanning

**Critical Frictions:**
- Measurement recording resets at high thresholds
- Lack of data export functionality limits utility for power users
- Platform-split monetization creates inconsistent user experiences

**Growth Levers:**
- Education partnerships offer a B2B distribution channel
- Adding cloud-sync for logs would increase retention for the premium iOS segment
- Expanding sensor support to include accelerometer data

**Market Threats:**
- Pure-play competitors with higher update cadences erode market share
- Tesla-branded apps dominate search intent, creating significant keyword noise
- Emerging sensor-suite apps with faster release cycles threaten the utility-app niche

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app shifted to a freemium monetization model and expanded its feature set to include historical logging, while simultaneously surfacing new technical complaints regarding data recording limits.

**Overall trend**: Mixed
**Compared at**: 2026-06-18

### High-impact changes
- **[Shifted] Monetization Model Pivot** (pricing) — Transitioned from a flat paid model to a freemium structure: Android now utilizes ad-inventory while iOS remains a $4.99 purchase.
- **[Added] Historical Data Logging and Exposure Guidelines** (features) — Added two new features (Historical Data Logging, RF Exposure Guidelines) and positioned them as competitive differentiators.

### Medium-impact changes
- **[Declined] Emergence of Recording Reset Bug** (sentiment) — New complaint theme identified: measurement recording resets to zero when hitting high-value thresholds.
- **[Shifted] Paranormal Audience Inclusion** (audience) — Target audience expanded from research/safety focus to include the paranormal-curious segment.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Emf Detector Radiation Reader vs EMF Detector — Head to Head
- **[EMF Detector](https://marlvel.ai/intel-report/utilities/emf-detector)** by Excelltech Inc.: This app is the direct market leader in the EMF detection niche, sharing the exact functional scope and target audience as the target app.
  - **Moat strength:** Medium — durable but contestable
  - **Key differences:**
    - Maintains a pure-play focus on magnetic field detection without the clutter of secondary utility features.
    - Offers a highly specialized interface designed specifically for paranormal enthusiasts rather than general-purpose sensor users.
    - Provides a consistent, ad-supported free experience that directly competes with the target's paid-only iOS model.
  - **Where Emf Detector Radiation Reader wins:**
    - ✅ Offers a premium, ad-free experience on iOS which appeals to users seeking a professional-grade tool.
    - ✅ Includes broader sensor integration capabilities that allow for detecting more than just basic magnetic fields.
  - **Where EMF Detector wins:**
    - ❌ Captures the paranormal-curious audience more effectively through specialized branding and simplified, accessible user interface design.
    - ❌ Maintains a high-frequency update cycle that keeps the app relevant for modern mobile operating system standards.
  - **Verdict:** The target app must decide whether to pivot toward the paranormal niche or double down on professional utility to differentiate from this pure-play rival.

### Contenders (Strong Challengers)
- **[Physics Toolbox Sensor Suite](https://marlvel.ai/intel-report/utilities/physics-toolbox-sensor-suite)** by Chrystian Vieyra [Moat: High]: A powerhouse in the sensor utility space that serves the same technical audience but with significantly broader scope.
  - Provides a comprehensive suite of physics sensors including accelerometer, barometer, and light sensors beyond simple EMF.
  - Features advanced data logging and export capabilities that cater to educators and professional researchers.

### Peers (What They Do Better)
- **[Tesla](https://marlvel.ai/intel-report/lifestyle/com-teslamotors-teslaapp)** by Tesla, Inc.: While functionally unrelated to EMF detection, it dominates the 'Tesla' keyword search intent, creating significant noise for the target app.
  - Leverages a massive, proprietary ecosystem that creates a brand-as-category moat for any app using the 'Tesla' name.
  - Provides deep hardware integration with physical vehicles that no standalone sensor utility app can replicate.
- **[Bubble Level for iPhone](https://marlvel.ai/intel-report/utilities/com-lemondoo-bubblelevel)** by Lemondo Apps LLc: A staple utility app that competes for the same 'simple tool' screen real estate and user attention.
  - Focuses on high-precision calibration and haptic feedback to provide a superior tactile experience for simple tasks.
  - Utilizes a long-standing brand reputation to maintain high organic discovery within the Utilities category.
- **[Gauss Meter](https://marlvel.ai/intel-report/education/gauss-meter)** by HUNG HSUN LIN: A direct functional alternative that targets the education sector with a more academic, less paranormal-focused approach.
  - Positions itself as an educational tool for students rather than a paranormal detection device for hobbyists.
  - Maintains a minimalist interface that prioritizes raw numerical data output over visual or auditory alerts.

### New Kids on the Block (What's Innovative)
- **[Amperes 4- battery charge info](https://marlvel.ai/intel-report/utilities/com-criosoft-amperes1)** by CrioSoft LLC: An emerging utility threat that demonstrates high velocity in feature shipping and user engagement within the last quarter.

<!-- /section:rivals -->
<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Improved measurement accuracy in latest release.
- Added unit toggles for milligauss/nanotesla.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 241 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Emf Detector Radiation Reader is a market-leading utilities app that is free with in-app purchases.
With a 4.75/5 rating from 2.4K reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Emf Detector Radiation Reader maintains high satisfaction through accurate sensor visualization, but the lack of data export and the recording-reset bug limit its long-term retention, so the PM should prioritize log-export features to secure the power-user segment against sensor-suite rivals.
<!-- speakable-end -->

**Best for:** Users interested in detecting electromagnetic fields, identifying metal objects, or investigating environments for potential paranormal activity.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] [HIGH IMPACT] Ship data export functionality because users request it to analyze logs → increase retention of power users — *Export functionality is the top-requested feature in user feedback.* _(trade-off: deprioritize Push the UI-refresh sprint to Q4 — export functionality has higher impact on churn reduction.)_
- [ ] [MAINTAIN] [MEDIUM IMPACT] Fix measurement reset threshold because it is the primary functional friction point → improve rating baseline — *Measurement reset is the top complaint theme in sentiment analysis.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Advanced data logging and export (available in Physics Toolbox Sensor Suite but absent here)
- Multi-sensor suite integration (available in Physics Toolbox Sensor Suite but absent here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Stable

The EMF detection market is consolidating around apps that offer both high-precision sensor data and robust data-portability tools. Emf Detector Radiation Reader remains stable but exposed, as the lack of export features forces power users toward more comprehensive sensor suites, so revenue growth hinges on closing the data-portability gap.

- 🟢 The latest release improved measurement accuracy, which users continue to praise as a reliable alternative to expensive hardware.
- 🔴 Measurement recording resets at high thresholds, which creates functional friction and drives the primary complaint theme in user reviews.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.75/5 |
| Total Reviews | 2.4K |
| Sentiment | Thrilled (90/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 5 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Emf Detector Radiation Reader** (this app) | 4.75/5 | Thrilled | Bello Studios LLC |
| [Tesla](https://marlvel.ai/intel-report/lifestyle/com-teslamotors-teslaapp) | 4.7/5 | Excited | Tesla, Inc. |
| [Amperes 4- battery charge info](https://marlvel.ai/intel-report/utilities/com-criosoft-amperes1) | 4.5/5 | Excited | CrioSoft LLC |
| [Bubble Level for iPhone](https://marlvel.ai/intel-report/utilities/com-lemondoo-bubblelevel) | 4.7/5 | N/A | Lemondo Apps LLc |
| [Physics Toolbox Sensor Suite](https://marlvel.ai/intel-report/utilities/physics-toolbox-sensor-suite) | 4.8/5 | N/A | Chrystian Vieyra |
| [EMF Detector](https://marlvel.ai/intel-report/utilities/emf-detector) | 4.9/5 | N/A | Excelltech Inc. |

## Company Profile
- **Developer:** Bello Studios LLC
- **Website:** [https://www.bellostudiosapps.com/marketing.rtf](https://www.bellostudiosapps.com/marketing.rtf)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/emf-detector-radiation-reader/id1588868540?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.richdev.emfmeter&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.bellostudiosapps.com/marketing.rtf)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Tesla*](https://marlvel.ai/intel-report/lifestyle/com-teslamotors-teslaapp) (Tesla, Inc.) — 4.7/5 Rating | Positive Sentiment
- [*Amperes 4- battery charge info*](https://marlvel.ai/intel-report/utilities/com-criosoft-amperes1) (CrioSoft LLC) — 4.5/5 Rating | Positive Sentiment
- [*Bubble Level for iPhone*](https://marlvel.ai/intel-report/utilities/com-lemondoo-bubblelevel) (Lemondo Apps LLc) — 4.7/5 Rating | N/A Sentiment
- [*Physics Toolbox Sensor Suite*](https://marlvel.ai/intel-report/utilities/physics-toolbox-sensor-suite) (Chrystian Vieyra) — 4.8/5 Rating | N/A Sentiment
- [*EMF Detector*](https://marlvel.ai/intel-report/utilities/emf-detector) (Excelltech Inc.) — 4.9/5 Rating | N/A Sentiment
- [*Gauss Meter*](https://marlvel.ai/intel-report/education/gauss-meter) (HUNG HSUN LIN) — 3.9/5 Rating | N/A Sentiment
- [*Potatso*](https://marlvel.ai/intel-report/utilities/potatso) (Potatso Lab LTD) — 4.4/5 Rating | Positive Sentiment
- [*Free VPN by Free VPN .org™*](https://marlvel.ai/intel-report/utilities/free-vpn-by-free-vpn-org) (Free VPN LLC) — 4.4/5 Rating | Mixed Sentiment
- [*Quantumult X*](https://marlvel.ai/intel-report/utilities/quantumult-x) (Cross Utility Ltd) — 3.8/5 Rating | N/A Sentiment
- [*V2Box - V2ray Client*](https://marlvel.ai/intel-report/utilities/v2box-v2ray-client) (techlaim) — 4.6/5 Rating | Positive Sentiment

## 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 and evidence quoting.
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:** 0.65/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 49
- **Data Sources:** user reviews, 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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/utilities/emf-detector-radiation-reader)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.