iSoundMeter - Know your sounds

iSoundMeter is a professional sound level meter that turns your iPhone into a precision decibel (dB) measuring device. Whether you're checking noise levels at home, monitoring workplace safety, or protecting your hearing at concerts, iSoundMeter provides accurate, real-time sound measurements. REAL-TIME DECIBEL MEASUREMENT • Instant sound level readings updated 60 times per second • Professional-grade accuracy with device-specific calibration • Large, easy-to-read circular gauge display • Color-coded indicators: Green (safe) to Red (dangerous) COMPREHENSIVE STATISTICS • Track MIN, AVG, and MAX sound levels • Session-based measurement recording • View detailed measurement history • Monitor exposure over time BEAUTIFUL VISUALIZATIONS • Smooth waveform display showing sound patterns • Dynamic bar visualizer for real-time feedback • Choose between visualization styles • Elegant dark and light themes SOUND LEVEL REFERENCE GUIDE • Compare readings with common sounds • Understand safe exposure limits • Examples include: whispers, conversations, traffic, concerts • Localized examples for better context HEARING PROTECTION • Instant warnings when sound levels become dangerous • Understand safe exposure durations at different levels • Track your daily noise exposure • Educational information about hearing health PRIVACY FOCUSED • All audio processing happens on your device • No audio is ever recorded, stored, or transmitted • No account required • Your data stays on your device PERFECT FOR • Home: Check appliance noise, baby room monitoring • Work: Workplace safety compliance, office noise levels • Events: Concert sound levels, party volume monitoring • Education: Physics experiments, acoustics learning • Musicians: Practice room levels, stage monitoring • Parents: Ensure toys and devices are safe for children PREMIUM FEATURES (Optional Upgrade) • Unlimited measurement history • Export data to CSV and PDF • Advanced statistics and graphs • Ad-free experience • Priority support Download iSoundMeter today and take control of your sound environment. Protect your hearing and understand the noise around you with professional-grade accuracy. Note: While iSoundMeter provides accurate relative measurements, it is calibrated for general use and may not replace professional-grade sound level meters for official compliance testing.