Metal Detector vVARY

This innovative app turns your smartphone into a high-precision metal detector by leveraging its built-in magnetic sensor (magnetometer). With an intuitive interface, it's perfect for professionals and hobbyists alike.

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🎯 Key Features

### 📊 Real-Time Magnetic Field Measurement

- High-precision 3-axis sensor: Measures magnetic field strength along X, Y, and Z axes with instant vector magnitude calculation
- 50Hz Fast Refresh: Detects even the slightest changes with 50 readings per second
- Visual Graph Display: Live graphs show magnetic field fluctuations beautifully in real time

### 🔍 Intelligent Detection

- Absolute Field Detection: Accurately measures magnetic field strength (in µT)
- Delta Detection (Δ): Captures changes over time—ideal for detecting moving metals
- Peak Hold: Displays and records the highest detected value
- Baseline Comparison: Clearly shows the difference from the environmental baseline

### 🎨 Professional Design

- Sleek Dark Theme: Easy on the eyes for prolonged use
- Intuitive UI: Large, color-coded indicators for instant recognition
- Fully Customizable: Adjustable thresholds for different use cases

### ⚡ Alert Functions

- Vibration Alerts: Device vibrates when the set threshold is exceeded
- LED Flash Notification: Visually indicates metal presence in dark areas (on supported devices)
- Dual-Threshold Alerts: Set independent alerts for absolute value and rate of change

### 🧲 Polarity Detection Mode

- Detect N/S Poles: Instantly identifies the polarity of magnets
- Confidence Level Display: Visually indicates detection reliability
- Perfect for Education & Research: Great tool for studying magnetic fields

### 🔧 Advanced Features

- ∞ Calibration: Optimizes sensor accuracy through figure-eight calibration
- Battery Saver Mode: Designed for long-term use with minimal power drain
- Precision Display Mode: Shows readings up to two decimal places for extra accuracy

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## 📱 Use Cases

### 🏠 Home & DIY

- Detect steel frames or pipes inside walls
- Find lost metal objects like keys or tools
- Pre-renovation inspections

### 🏗️ Construction & Field Work

- Locate rebar in concrete
- Survey buried metal pipes
- Check metal component quality

### 🎓 Education & Research

- Visualize magnetic fields in physics lessons
- Measure electromagnetic interference
- Support scientific experiments

### 🎨 Hobby & Entertainment

- Treasure hunting games
- Hands-on metal detection experiences
- Outdoor exploration fun

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## ⚠️ Notes

- Works only on devices with a magnetic sensor
- Detectable metals are limited to ferromagnetic materials (iron, steel, nickel, etc.)
- Non-magnetic metals (e.g., aluminum, copper) cannot be detected
- Accuracy may be affected by nearby strong magnetic sources
- Sensor accuracy varies by device model

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Install now and start uncovering hidden metal all around you❗️