NoiseGuard - Decibel Meter

Woken up by stomping upstairs? Loud neighbors, barking dogs, or ongoing construction ruining your peace of mind? Complaining to landlords, HOAs, or building management often gets dismissed without objective proof.

NoiseGuard is your dedicated noise monitoring and evidence logging station. Turn your iPhone into a reliable decibel sound meter and transform subjective complaints into concrete, timestamped evidence.

KEY FEATURES

Real-Time Decibel Meter • Precise environmental sound level detection with real-time waveform visualization. • Clear 3-tier comfort indicators (Safe, Moderate, Loud) to evaluate noise at a glance.

Bedside Night Guard • Set custom decibel thresholds before going to bed. • Overnight monitoring automatically logs timestamps, durations, and peak decibels when noise exceeds your threshold. • Minimalist OLED nightstand clock face that stays awake without disturbing your sleep.

Audio Evidence Recording • Record ambient sound while tracking synchronized decibel levels. • Free tier supports 30s clips; upgrade to Pro for up to 180s (3 minutes) continuous recording. • Intuitive timeline playback with 5s skip buttons and variable playback speeds.

Incident Timeline & Tagging • Organize noise incidents with one-tap tags: Stomping, Construction, Loud TV, Barking, etc. • Add custom notes to reconstruct past noise events with ease.

24-Hour Trend Analytics • Comprehensive 24-hour distribution charts highlight frequent disruption periods, including designated night quiet hours. • Track cumulative incident count, total duration, and historical maximum decibels.

Official PDF Report Export • Generate clean, objective A4 PDF noise monitoring reports in one tap. • Print or share via AirDrop, Email, or Messages to communicate with landlords or property managers with confidence.

100% On-Device & Private • All audio processing is performed locally on your device. • No recordings are ever uploaded to cloud servers.

NoiseGuard Pro (One-Time Purchase Lifetime Access) • Unlock 180s extended audio evidence recording • 100% ad-free experience • Unlimited high-resolution PDF report exports • High-precision acoustic DSP vector processing

Take control of your living environment today. Download NoiseGuard and restore your quiet life!