Sound Level Meter - Sonom

Sonom turns your iPhone into a professional-grade sound level meter. See real-time decibel readings, track your daily noise dose, and get alerts when sound levels threaten your hearing — all without keeping the app open. REAL-TIME SOUND MEASUREMENT - Accurate dB readings with a clear, color-coded gauge - A-weighted (dBA), C-weighted (dBC), and Z-weighted (dBZ) modes - Fast and Slow response times for different measurement scenarios - Min, Average, and Max tracking for every session DAILY NOISE DOSE TRACKING - Monitors cumulative noise exposure based on NIOSH criteria - Shows remaining safe exposure time at any dB level - Weekly dose history chart to spot patterns - Syncs exposure data to Apple Health ALWAYS-ON MONITORING - Background audio monitoring — works with screen locked - Live Activity on Lock Screen and Dynamic Island - Noise alerts when levels exceed your chosen threshold - No need to keep the app open RECORDING & REPORTS - Save measurement sessions with timestamped readings - Generate detailed PDF reports for compliance or personal records - Review session history with peak, average, and duration stats PROFESSIONAL CALIBRATION - Guided quiet-room calibration for accurate readings - Manual offset adjustment for advanced users - Save multiple calibration profiles for different environments Built for anyone who cares about their hearing — from musicians and construction workers to parents monitoring nursery noise levels. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/