Decibel Meter: dB Noise Level

Decibel Meter shows how loud it is the moment you open it. No sign-up, no paywall, no waiting: a big dB number, a gauge, min / average / max and a live 60-second curve. Then comes the fun part. Set a limit, and when the room stays too loud, a funny voice yells at it. Grumpy Grandpa, Santa, a robot, a cowboy, a cartoon mouse, a demon… 17 recorded voices, or record your own line ("Kids, bedtime!") and let the phone say it for you. Made for classrooms, noisy kids, open offices and roommates. SOUND LEVEL METER • Live dB reading within a second of launch • Gauge with a draggable limit line • Min, average (Leq) and max for the session • 60-second curve and a reference chart (whisper 30 dB, traffic 70 dB, concert 110 dB) • One-tap calibration against another meter, applied to every number • Keeps measuring with the screen locked, with a Live Activity on the lock screen and in the Dynamic…