SoundMeter: Decibel dB Meter

Sound Meter is a clean, fast decibel meter (dB meter) that uses your phone's microphone to measure noise levels in real time. No subscription. No fake "pro" wall. No cluttered UI. Just a reliable sound level meter when you need to check how loud it is. Why this Sound Meter? Most decibel meter apps are overloaded with ads, confusing screens, and aggressive upsells. This one is built to be the opposite: simple, readable, and pleasant to use, with minimal ads. Features - Real-time decibel meter: measure sound and noise in dB - Clear animated gauge with easy-to-read live dB values - Noise level categories from quiet room to dangerous volume - Live min, average, and max readings for each session - Noise measurement history saved automatically on your device - Calibration offset to match a reference sound level meter - Export your noise log as CSV - Works offline for core measurement features - Clean light and dark theme Useful for - Checking room noise and bedroom noise at night - Measuring office, home, classroom, or street noise levels - Monitoring rehearsal, concert, or practice volume - Documenting noisy neighbors, traffic, or loud appliances - Checking if noise is at a safe level for your hearing - General decibel and noise detector checks Privacy Sound Meter does not record or store audio files. Audio is processed in real time on your device to estimate the decibel level, then discarded. Important note Phone microphones vary by device, so readings may differ from a professional SPL meter. For best results, use the calibration option to match a known reference. Permissions - Microphone: required to measure environmental sound - Internet: used only for ads A modern, no-nonsense decibel meter and noise detector that just works.