# Metal Detector, Ruler, Decibel

Android app · by Lo Li · Tools

Metal Detector, Ruler, Decibel has 1,793,270 installs (+18.0% a month, measured over 56 days), rated 3.4 from 2,766 ratings, \#4,109 of 244,074 in Tools.

## Figures

- Installs: 1,793,270
- Rating: 3.4 · 2,766 ratings
- Price: Free
- In-app purchases: yes
- 7-day growth in installs: +42,035 (+2.4%)
- 30-day growth in installs: +241,748 (+18.0%) (+452,077 over 56.1 days)
- Rank: #41,990 of 2,946,593 Android listings with an install count (down 1,154 since 2026-11-01)
- Rank: #4,109 of 244,074 in Tools

## Is Metal Detector, Ruler, Decibel safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

- Listed on Google Play.
- Made by Lo Li; developer website listed: byeshe.com.
- On Google Play since 2024-12-11. Last updated 2026-10-24.
- Rated 3.4 from 2,766 ratings.

## Reviews

- Ratings by stars: 5★ 52% · 4★ 4% · 3★ 7% · 2★ 7% · 1★ 30% (2,763 ratings)

## Description

🧰 All-in-One Utility Toolbox in Your Pocket!  
Turn your smartphone into a powerful multi-tool with Metal Detector, Ruler, Decibel — your go-to app for daily tasks, DIY projects, outdoor adventures, and beyond!  
  
🔧 Core Tools:  
🔍 Metal Detector – Find nearby metal using your phone’s magnetometer.  
📷 Camera Detector – Inspect suspicious reflections, light points, and magnetic changes.  
📏 Ruler – Measure in inches or centimeters with precision.  
📢 Decibel Meter – Monitor real-time environmental noise levels.  
🪜 Spirit Level – Ensure accurate leveling for furniture or construction.  
⚖️ Phone Weight Estimator – Use your phone as a reference for scale accuracy.  
  
🌐 Navigation Tools:  
🧭 Compass – Digital compass with calibration and direction lock.  
📍 GPS Tool – Track location, log routes, and view detailed coordinates.  
  
📸 Visual & Sensor Tools:  
🎨 Color Picker – Detect colors from your camera with HEX/RGB values.  
🔍 Magnifier – Zoom in with flashlight and image capture.  
💡 Lux Meter – Measure ambient light using your phone’s sensor.  
🌦️ Barometer – Monitor atmospheric pressure (if supported).  
📳 Vibration Meter – Detect and analyze vibrations in real time.  
  
⚙️ Built for Everyone:  
Smooth UI: Grid, list, and dashboard views.  
Sensor auto-detection and multi-language support.  
Calibration, history tracking, and data export.  
Fully optimized for both phones and tablets.  
  
⚠️ Note:  
Some features depend on specific hardware sensors (e.g., camera, magnetometer, barometer). Camera Detector provides visual and magnetic clues for manual inspection only; it cannot confirm a hidden camera or guarantee that an area is free of hidden devices.  
  
📲 Download Now!  
Experience the ultimate digital toolbox — 13+ tools in one sleek app.  
📧 Questions or feedback? Reach us at play@byeshe.com  
Thank you for choosing Metal Detector, Ruler, Decibel! 🙌

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Source: https://storetally.com/android/com.byeshe.metaldetector  
As of 2026-11-13, from the StoreTally census.