Sound Meter: Decibel, dB, SPL

Sound Meter: Decibel, dB, SPL is a simple and practical noise detector app that measures ambient sound levels in decibels (dB) using your device’s microphone. It’s ideal for checking noise in your environment — from traffic to home noise and even floor-impact sounds in apartments. 📲 Main Features 📏 Measure noise in decibel (dB) 📊 Visualize with real-time SPL (Sound Pressure Level) graphs 📡 Easy-to-read live meter display 🏠 Optimized for interfloor (neighbor) noise detection 📉 Show average, peak (max), and real-time values 🔊 Sample Noise Levels Level Example 140dB Gunshot 130dB Ambulance 120dB Thunder 100–110dB Concert, Subway 80–90dB Alarm, Motorcycle 60–70dB Conversation, Vacuum 30–50dB Quiet room, Whisper 10–20dB Rustling leaves, Breathing ⚠️ Disclaimer Smartphone microphones are designed for human voice and may not measure dB levels as accurately as professional sound level meters. For best accuracy, calibrate using a real sound meter or set your baseline to 20–30dB in a quiet environment. ✅ Recommended for: Anyone looking for a floor noise detector app (for apartments) Those who want to measure daily noise levels in decibels (dB) Students, professionals, or researchers seeking a Sound Meter app Users who want a free decibel meter or dB measurement tool People looking for a noise meter, SPL meter, or decibel sound meter