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SoundGuard turns your iPhone into a professional sound level meter with real-time decibel monitoring, background measurement, and deep Apple integration. Whether you need to measure noise at work, document neighborhood disturbances, protect your hearing at concerts, or optimize your speaker setup, SoundGuard gives you instant, accurate dB readings with a beautiful interface. MONITOR NOISE WITHOUT OPENING THE APP Start a recording and go. SoundGuard keeps measuring sound levels in the background and updates your Dynamic Island, Lock Screen, and Home Screen Widget in real time. Check your dB from anywhere on your iPhone. No other decibel meter does this. REAL-TIME SOUND MEASUREMENT Measure sound levels in real time with a precision gauge. See current, minimum, average, and maximum decibel readings at a glance. Compare noise levels with real-world references like light rain, vacuum cleaners, or rock concerts. APPLE HEALTH INTEGRATION Automatically record environmental noise exposure in the Health app to track your hearing health over time. SESSION RECORDING & HISTORY Record sound sessions and review detailed analytics with interactive charts. Track peaks above 85 dB and 100 dB danger thresholds. Export your data as CSV for documentation or professional use. AI-POWERED SESSION SUMMARY Get an intelligent summary of your recording session powered by on-device AI. Understand your noise exposure in plain language. HAPTIC ALERTS Feel a haptic vibration when noise crosses the 85 dB danger threshold. Your iPhone physically warns you when sound levels become harmful. HOME SCREEN WIDGET See your latest sound measurement at a glance with the Home Screen widget. LIGHT & DARK MODE A beautiful, native interface that adapts to your preferred appearance. Designed with SwiftUI for a smooth, responsive experience. NO SUBSCRIPTION. EVER. SoundGuard is free to use with full measurement capabilities. Upgrade to PRO with a single one-time purchase to unlock session history, CSV export, AI summaries, microphone calibration, and more. No recurring fees. No account required. No data collected. Built and designed natively for iPhone.
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