Sound Meter: dB Noise Level

A professional sound meter app that measures ambient noise levels (decibels) using your phone's microphone. Ideal for monitoring neighborhood noise, workplace environments, or checking volume at live events. ◆ Measurement History Log + CSV Export ・Automatically records sessions with timestamps (Min, Max, Avg, LAeq) ・Export history to CSV for sharing — perfect for documenting noise complaints ・Unlike basic apps, you can review past data anytime ◆ Calibration Offset + LAeq / Min, Max, Avg ・Corrects for device-specific microphone variations with calibration offset ・Displays equivalent continuous noise level (LAeq) alongside real-time Min, Max, and Avg ・Intuitive color-coded circular gauge and waveform graph ◆ Noise Level Guide ・Instantly compare current levels against benchmarks: Library (40dB), Conversation (60dB), Traffic (80dB), Construction (100dB) ・Highlights the corresponding reference level for your current reading Fully offline compatible. No audio is recorded, saved, or transmitted (privacy assured).