Measure ambient noise levels in decibels with your iPhone microphone.
Sound Meter turns your iPhone into a professional-grade sound level meter. Get real-time decibel readings with a beautiful, easy-to-read gauge.
KEY FEATURES:
- Real-time dB measurement with live gauge
- Color-coded levels: Green (safe), Yellow (loud), Red (dangerous)
- Min, Max, and Average statistics tracking
- Audio alert when noise exceeds safe levels (85+ dB)
- Beautiful dark theme with smooth animations
Protect your hearing by monitoring the noise levels around you. Sound Meter helps you stay aware of potentially harmful sound environments.
Note: Measurements are approximate and depend on your device's microphone. This app is not intended for professional noise measurement.
What's new (v1.1.0)
NEW FEATURES:
• Measurement History — save and review all your readings
• Sound Comparison — see what your noise level compares to (library, motorcycle, jet engine)
• Live Graph — real-time scrolling noise chart
• Noise Map — measure and compare noise levels room by room
• Hearing Health Score — WHO/OSHA-based exposure assessment (A-F grade)
• Calibration — calibrate your microphone for accurate readings
• Frequency Indicator — see if sound is bass, voice, or treble
IMPROVEMENTS:
• Better ad experience
• Performance improvements and bug fixes