Sound Meter: Decibel dB Test

Sound Meter is an accurate decibel meter (dB meter), noise analyzer, and SPL measurement tool designed for real-time sound level tracking.

Turn your mobile device into a professional-grade sound pressure level (SPL) tool. Measure environmental noise, run quick audio volume tests, check room acoustics, or monitor workplace decibels — featuring an intuitive gauge, live frequency charts, and detailed data history.

KEY FEATURES
• Real-Time Decibel Meter: Accurate audio and sound level readings with an instant responsive gauge.
• Live Audio Chart & Analyzer: Track noise fluctuations and sound pressure values in real time.
• Detailed Sound Data: Monitor Min, Max, Peak, and Average (Avg) dB values for each session.
• Accurate Microphone Calibration: Built-in calibration offset to ensure reliable results across different phone hardware.
• Dual Measuring Modes: Continuous mode for high-precision tracking or Low-Power mode for battery-saving noise monitoring.
• Hearing Health & Safety Alerts: Instant warnings at 85 dB and 100 dB based on standard hearing protection guidelines.
• Noise Reference Guide: Compare actual sounds with everyday benchmarks (from quiet whisper to loud jet engine).
• Measurement History: Easily save, export, and review your noise level recordings anytime.
• Privacy First: All sound measurement data stays strictly on your phone — no cloud tracking or account needed.
• Modern Material You UI: Smooth, clean design fully optimized for Android.

PRACTICAL USE CASES
• Workplace & Industrial Noise: Check office noise levels and ensure occupational hearing safety.
• Home & Neighborhood Monitoring: Measure loud traffic, appliance volume, garden equipment, or neighborhood noise.
• Classroom & Childcare: Manage classroom volume and maintain healthy nursery sound environments.
• Audio Setup & Acoustic Testing: Optimize home theater speakers, studio sound, and speaker decibel output.
• Events & Concerts: Monitor high-decibel environments to prevent hearing strain.

HOW IT WORKS
Using your phone's built-in microphone, Sound Meter captures sound pressure levels (SPL) and converts audio signals into clear decibel (dB) data. Start a measurement session with one tap, analyze the real-time sound graph, and save your peak/min/avg stats.

NOTE ON ACCURACY
Smartphones are optimized for human voice frequencies rather than industrial laboratory measurement. Extremely loud noises may reach hardware microphone limits. Use this app as a practical, everyday sound test and noise monitoring tool.

Download Sound Meter today — measure volume, test noise levels, and protect your hearing health with accurate dB tracking.