Decibel Meter & Dosimeter

Your hearing is irreplaceable. Know when it's at risk.

Turn your iPhone into a precision sound level meter that monitors noise in real time and warns you before exposure becomes dangerous. Whether you're on a construction site, at a concert, or just curious about your daily environment — Decibel Meter gives you the clarity to protect what you can't get back.

What You Get — Free:
- Real-time decibel monitoring with a beautiful, color-coded gauge
- Instant noise categories: Quiet, Moderate, Loud, Very Loud
- Live current, peak, and average sound level statistics
- OSHA and NIOSH exposure time tracking with visual warnings
- Haptic feedback when noise levels change significantly
- Background monitoring — keeps tracking when you switch apps
- Dark mode and accessibility support

What Pro Unlocks — One Purchase, Yours Forever:

Smart Safety Alerts
- Custom alert thresholds — set personal dB limits for any environment
- Notifications at 80% of safe exposure time
- Immediate alerts when OSHA/NIOSH limits are reached

Noise History and Session Tagging
- Track your exposure patterns over days and weeks
- Tag sessions by location or activity (Office, Concert, Construction, and more)
- Filter history by tag to find patterns
- Detailed charts with peak and average levels

Professional Tools
- Calibration settings for reference level and offset adjustments
- OSHA and NIOSH compliance reports — generate and share as PDF
- Workplace safety documentation for supervisors, clients, or medical professionals

Who It's For:
- Workers in noisy environments protecting their hearing
- Safety professionals monitoring workplace compliance
- Sound engineers and musicians managing venue levels
- Parents and teachers checking classroom or play environments
- Anyone who wants to understand the noise around them

Why It Matters:
Noise-induced hearing loss is permanent. It builds gradually from exposure you may not notice. Decibel Meter tracks what your ears cannot — cumulative exposure over time — and tells you when to act. One affordable upgrade protects your hearing for life.

Download now and find out what your ears have been living with.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/