DecibelGuard
Know Your Noise. Protect Your Hearing.
Color-Coded Sound Zones
Instantly understand your noise environment with clear visual indicators mapped to hearing safety standards.
Normal conversation, background music
Busy traffic, vacuum cleaner
Power tools, concert venue
Jet engine proximity, sirens
Features
Real-Time dB Meter
Continuous sound level monitoring with a responsive, color-coded display. Green for safe levels, yellow for moderate, red for dangerous. Updates in real time with current, average, and peak readings.
NIOSH Daily Exposure Tracking
Calculates your cumulative noise dose based on NIOSH occupational exposure standards. See at a glance how much of your daily safe exposure budget you have used and how much remains.
Session Recording & History
Record noise measurement sessions with full timeline data. Review past sessions with min, max, and average readings. Track your exposure history over days, weeks, and months.
Apple Health Integration
Automatically writes noise exposure data to Apple Health, contributing to your hearing health records alongside data from Apple Watch and other sources.
Peak Alerts with Haptic Feedback
Set custom threshold levels and receive instant visual and haptic alerts when ambient noise exceeds your limit. Configurable vibration patterns ensure you notice even in loud environments.
CSV Export for Professionals
Export any session or date range as a CSV file for professional reporting, workplace compliance, or detailed analysis in spreadsheet applications.
Your Audio Stays on Your Device
DecibelGuard processes microphone audio entirely on-device. No audio data is ever recorded as files, transmitted to servers, or shared with third parties. Sound levels are computed in real time and discarded immediately.
No Ads. No Account. $0.99 One-Time.
Requires iOS 17.0 or later. Works completely offline.