dB Meter: Noise & Decibel

Measure real-time sound levels in dB, monitor noise, and keep a simple log of your environment. Use calibration for better consistency, set threshold alerts, record audio, and analyze frequency spectrum. Features: - Real-time dB meter with min / max / average + live chart - Calibration offset to match a reference source - Threshold alerts with notification interval - Data Logger (time-stamped readings) + export - Sound Recorder for capturing audio samples - Frequency Analyzer (spectrum) - Capture: take a photo with dB overlay !!!! Important notice: Sound measurements may vary by device and environment. This app is intended for reference use and is not a certified sound level meter.Designed for quick checks at home, office, events, and studio setups.