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.