Best Environmental Sound Detector Apps

NIOSH Sound Level Meter

by EA LAB

Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

Decibel Meter: Sound dB

Noise Level Tracker & SPL App

Free

Transform your device into a professional decibel meter to measure and track sound levels in real-time. Save measurements, view history charts, and set custom alerts for excessive noise. Useful for documenting sound exposure or identifying noise sources.

Decibel Meter - Sound Meter

Sound measurement tool.

Free

Transform your smartphone into a precise sound measuring device. This app uses your phone's microphone to display real-time decibel levels with clear descriptions. Analyze sound over time, calibrate for accuracy, and share your findings easily.

Sonic Pitch Sound Generator

Clear Sound Wave Generator

Free

Generate precise sound waves with adjustable frequencies and various waveform types. Use it for audio testing, insect repulsion, pet training, or as a prank tool. Features include a decibel meter and stereo sound tests.

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Decibel Meter dB (Sound Meter)

Noise Level Analyzer + Measure

Free

Measure sound volume in real-time with this app. It provides precise decibel readings, a visual timeline of sound fluctuations, and customizable calibration for accurate results. Ideal for monitoring noise levels in various environments.

Decibel dB – Sound Level Meter

NIOSH SLM & Noise Analyzer Pro

Free

Measure ambient noise and sound levels in real-time with this tool. It helps control noise pollution and protect user health by displaying decibel values numerically and graphically. Track exposure over time with NIOSH and OSHA compliant measurements.

Decibel - sound level meter

Spectrum frequency analyzer

Free

Measure and analyze the sound pressure around you with this app. It provides spectrum frequency analysis and allows you to compare your recordings to a reference chart. Save your measurement history for future reference.

Decibel Meter · Sound Analyzer

Noise Level & Frequency, SPL

Free

Measure ambient noise levels and sound exposure duration in real-time. This app displays acoustic intensity in decibels with detailed visual reports and supports photo/video overlays with noise data. Protect your health from noise pollution.

Decibel Meter：Noise Detector

dB Sound Level Meter, Spectrum

Free

This app provides real-time decibel readings, sound level monitoring, and voice-activated noise recording. It allows users to document noise levels with video evidence, including decibel watermarks and timestamps, all processed on-device for privacy.

Shush - Sound & Noise meter

Loud voice decibel detector DB

Free

This app detects ambient noise levels and plays a loud "SHUSH" sound when it exceeds a set threshold. It's ideal for maintaining quiet environments in places like classrooms or libraries, and also allows users to record or select custom sound effects.

Sound Meter (Noise Detector)

Protect Your Health From Noise

Free

This free application helps protect your health by detecting noise levels around you. It provides warning alerts for potentially harmful noise and offers features for hearing loss testing and measuring noise in various environments. It also includes music to aid relaxation and focus.

Animal Sound Identifier: Guide

Bird ID by Sound & Photo

Free

Identify animals using your device's camera or by recording sounds. Get instant species identification, detailed facts, habitat information, and AI-powered answers about animal behavior and conservation. All features require a subscription.

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Decibel Shield - dB Meter

Measure Noise & Sound Levels

Free

Measure and track sound levels in real-time with this user-friendly decibel meter. Log historical data, integrate with Apple Health, and gain insights into your sound environment. Includes a white noise generator for focused listening.

Decibel Meter: Sound Meter dB

Sound meter with noise level

Free

Measure environmental sound levels and display decibel values with detailed information. Track histories, view noise references, and pause/resume measurements easily. Offers a clear graphical representation of sound intensity.

Decibel : dB Noise Level Meter

Audio Sound Frequency Analyzer

Free

Measure, analyze, and protect your hearing with this comprehensive sound level meter. It offers real-time decibel readings, noise exposure monitoring, and tools for audio exploration like frequency generation and speaker cleaning.