BTR_OCC vs EMF Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BTR_OCC
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BTR_OCC App is a mobile app which is used as a tool for remote settings of BTR_OCC occupancy sensor.
EMF Tracker
This app measures electromagnetic field (EMF) levels using your phone's magnetometer. It provides real-time data, professional charts, and AI-powered insights to help you understand and manage your exposure. Track trends, identify patterns, and receive personalized advice to reduce potential risks.
- Real-time EMF detection
- Professional charts and graphs
- AI-powered insights and tips
- Trend and pattern analysis
- History and data export
- 4-tier safety levels
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EMF Tracker is your comprehensive electromagnetic field detector. Measure EMF levels, and get AI-powered insights to understand your exposure — all from your phone. EMF Tracker uses your phone’s magnetometer for detecting the EMF levels. REAL-TIME EMF DETECTION * Instant electromagnetic field measurements in µT * Automatic sensor calibration * 4-tier safety levels (Safe → Caution → Unsafe → Danger) PROFESSIONAL CHARTS * Real-time EMF graphs with live updates * Daily, weekly, monthly, yearly views * Visualize your exposure patterns * Track changes over time AI-POWERED INSIGHTS * Personalized tips based on your EMF data * Smart time-of-day recommendations * Pattern analysis: weekday vs weekend * "Down 15% from last week" style insights * Actionable advice to reduce exposure TRENDS & PATTERNS * Compare today vs yesterday exposure * Weekly and monthly trend analysis * Peak hours identification * Day-of-week patterns * Weekend vs weekday comparisons HISTORY & EXPORT * Complete scan history with timestamps * Add location notes (Home, Office, Bedroom) * Export data for external analysis * Track your EMF journey over time SAFETY LEVELS - Based on ICNIRP guidelines: * SAFE (Green): Normal background levels * CAUTION (Amber): Elevated — monitor closely * UNSAFE (Orange): High — limit time here * DANGER (Red): Very high — move away PERFECT FOR: * Health-conscious home monitoring * Parents checking kids' rooms * Office workers assessing workspace * Anyone curious about EMF exposure * Identifying wireless device hotspots Download EMF Tracker and take control of your electromagnetic environment! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: BTR_OCC at none against EMF Tracker's 2. BTR_OCC also leads on iOS requirement (12.0 vs 15.0). EMF Tracker's advantage is update cadence (every 5 days vs every 2 months). On price, ads and device support 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 Tracker sells 2 in-app purchases, starting at $2.99 per year. BTR_OCC asks for nothing beyond the download.
BTR_OCC ships an update every 2 months, EMF Tracker every 5 days. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | BTR_OCC | EMF Tracker |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 41 MB |
| Age rating | 4+ | 17+ |
| Developer | acv | PPLST Tech |
In-app purchases
BTR_OCC
No in-app purchases
EMF Tracker
- EMF Tracker - Wellness$2.991 Year
- EMF Tracker - Pro$4.991 Year









