Sound Meter - dB Noise Level
Real-time noise level in dB
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About
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
NOISE LEVEL REFERENCE:
- 0-30 dB: Whisper, quiet room
- 30-60 dB: Normal conversation, office
- 60-85 dB: Busy traffic, restaurant
- 85-100 dB: Motorcycle, lawn mower
- 100+ dB: Concert, power tools (hearing risk!)
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.
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What's New in Sound Meter
1.1.0
March 31, 2026
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
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