dB vs Decibel Meter

How loud is it right now? dB-Meter turns your iPhone into a clear and easy-to-read sound level meter. This completely rebuilt version combines the familiar retro style of the original app with a modern digital measurement view. TWO VIEWS, ONE MEASUREMENT • Classic analog gauges in the original retro design • Modern digital view with animated dB display • Live VU meter with peak indication • Smooth 30-second history graph EVERY IMPORTANT VALUE AT A GLANCE • Current sound level in dB • Slowly moving average • Session minimum and maximum • Peak value with optional peak hold • Fast or smooth needle response • Reset the current measurement session Use it to compare sound levels at home, in the office, on the go, or while listening to music. A CLASSIC, REBUILT dB-Meter first launched more than 13 years ago and has been downloaded over 200,000 times. Version 2.0 was rebuilt for current iPhones without losing the character of the original. AVAILABLE IN 18 LANGUAGES The app language can be changed directly in the app, independently of the system language. Note: Measurements are based on the microphone of your device and are intended as an approximate reference. The app is not a calibrated or certified sound level meter and must not be used for official occupational safety measurements.

Measure the sound levels around you in real time. Decibel Meter turns your iPhone into a sound level meter. Point your device at any sound source and get instant dB SPL readings displayed on a clear circular gauge with a live-updating chart. REAL-TIME MEASUREMENT See your current sound level update 10 times per second. The circular gauge changes color to indicate safe, moderate, and dangerous noise levels at a glance. LIVE CHART Track how sound levels change over time with a continuously updating line chart. Free users get a 15-second window; Pro users can extend it to 30 seconds, 1 minute, 2 minutes, or 5 minutes. SESSION HISTORY Save your measurement sessions and review them later. Each saved session includes average, minimum, maximum, and peak dB levels along with a visual sparkline of the recorded data. PRO FEATURES Upgrade to unlock the full experience: - Detailed statistics (Min, Avg, Max, Peak) - Extended chart durations up to 5 minutes - Full session history - Microphone calibration offset PRIVACY FIRST All audio is processed entirely on-device. Nothing is recorded, stored, or sent anywhere. Period. IMPORTANT Decibel Meter provides estimates based on your device's built-in microphone. It is not a calibrated measurement instrument and should not be used for regulatory, occupational health, or safety compliance purposes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/