Not bad
Not bad at
Noise pollution detected
Noise pollution detected
Noise
Noise detector works even with headphones but better with standard mobile mic
Alarm
Good alarm
Real
Real alerts

This app acts as a personal sound safety assistant, continuously monitoring ambient noise levels with your device's microphone. It alerts you when sound reaches dangerous thresholds, helping you make informed choices to protect your hearing in various environments.
1.5
July 7, 2025
bug fixes
$1.99
Noise Shield
Noise Shield
Noise Shield continuously monitors ambient noise levels using your device's microphone. It alerts you when sound levels exceed safe thresholds, allowing you to take action to prevent hearing damage.
No, Noise Shield has a privacy-first design and does not record or save any audio. All sound level analysis is processed locally on your device in real time.
Yes, you can customize the alert levels based on your personal hearing needs or health recommendations. This allows you to set thresholds that are relevant to your environment and sensitivity.
Noise Shield tracks how many times and for how long you have been exposed to harmful noise. It provides a hearing safety dashboard with daily and weekly decibel averages to help you monitor trends.
Noise Shield is currently supported on iPhone, iPad, and iPod devices. It is designed with an iOS-inspired interface.
The latest version of Noise Shield is 1.5, and it was last updated on July 7, 2025. Updates typically include performance improvements and new features.
Noise Shield has an age rating of 4+, making it suitable for a wide range of users concerned about hearing safety.
Yes, Noise Shield supports background monitoring, allowing it to continue tracking noise levels even when not in the foreground, depending on your device's capabilities and permissions.