About this app
Decibel Meter turns your iPhone into a fast and accurate sound level meter. Measure the noise around you in real time and see the result on a clean, easy-to-read display. KEY FEATURES - Real-time decibel (dB) measurement with your microphone - Three gauge styles: LED, Modern and Classic - Live chart with minimum, average and maximum levels - Save measurements and review them anytime - Optional location tagging with a map for each reading - Calibration to match a known reference - Light and dark mode - Available in 50 languages PERFECT FOR - Checking noise at home, work, in the street or your car - Concerts, events and noisy places - Comparing how loud different places really are GOOD TO KNOW A phone microphone is not a professional instrument, so readings are an estimate and can vary between devices. Use the calibration setting for better accuracy. Measure the sound around you. Download Decibel Meter today.
Latest release
What’s New
- New Noise Dose: see how much of the daily noise exposure limit you have used, how long is still allowed at this level, and how much time is left. - Pick your standard in Settings: NIOSH (85 dBA) or OSHA (90 dBA). - Export a measurement as a CSV file with all samples, or as a one-page PDF report. - Export your whole history as a single CSV from the History screen. - Performance improvements and bug fixes.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 1:53 AM Free
Screenshots
