Decibel Meter — Sound Level

Decibel Meter is the most accurate, easy-to-use sound level meter app for Android. Instantly measure noise levels around you using your phone's built-in microphone — no extra hardware needed. 🎯 WHETHER YOU NEED TO: • Check if your workplace meets safe noise regulations • Measure how loud a concert, gym, or restaurant is • Monitor your baby's room or home environment • Test speaker and audio equipment output • Protect your hearing from dangerous noise exposure 🔊 KEY FEATURES • Real-Time dB Gauge — Live animated circular meter updates every 50ms • Colour-Coded Zones — Green (Quiet), Yellow (Moderate), Orange (Loud), Red (Dangerous) • Smart Labels — Automatic descriptions: Silence, Whisper, Library, Conversation, Traffic, Concert, Jet Engine • MIN / AVG / MAX Stats — Track your session's noise statistics live • Peak Hold — Freeze the peak reading for easy reference • History Log — Review your last 20 peak readings with timestamps • 100% Offline — No internet required for measurement • No Sign-up — Open and start measuring instantly 📊 DECIBEL REFERENCE GUIDE 0–20 dB — Silence (empty room) 21–40 dB — Whisper (library) 41–55 dB — Quiet office 56–70 dB — Normal conversation 71–85 dB — Heavy traffic / vacuum cleaner 86–100 dB — Concert / power tools ⚠️ 101–120 dB — Jet engine / hearing damage risk 🚨 ⚠️ HEARING SAFETY Prolonged exposure above 85 dB can cause permanent hearing damage. Use this app to stay aware of your sound environment and protect your hearing. Note: Measurement accuracy depends on your device's microphone quality. For certified professional measurements, use a calibrated sound level meter. Keywords: decibel meter, sound level meter, noise meter, dB meter, noise measurement, sound measurement, hearing test, noise pollution, audio meter, SPL meter, noise level checker