Decibel Meter & Dosimeter

Your hearing is irreplaceable. Know when it's at risk. Turn your iPhone into a 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 - Noise exposure summaries (OSHA/NIOSH reference levels) — generate and share as PDF - Shareable PDF records of your measured noise exposure Who It's For: - Workers in noisy environments protecting their hearing - Safety professionals monitoring workplace noise - 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. Please note: Decibel Meter uses your device microphone to provide estimates. It is not a certified sound level meter or dosimeter, and it is not intended for hearing-protection, medical, or regulatory decisions. 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/