About this app
Simple Sound Meter App. - show decibels - calibration - graph - history Want to measure sound level? Try Sound dB Meter! This is simple sound decibel meter app (iOS) Easy to use and interesting app. Levels of Noise in decibels (dB) 20 dB - Very quiet, almost feel nothing 40 dB - Quiet, like soft whispers 50 dB - Quiet office 60 dB - Ordinary indoor conversations 80 dB - Noisy, may hurt the nerve 90 dB - Very noisy, nerve damage 100 dB - Increased noise, hearing damage 120 dB - Unbearable (Noise Sound Decibel Meter / Simple detector) (include Ad Version) [Privacy policy] https://sites.google.com/view/jo-sound-meter .
Latest release
What’s New
Bug fixed and iOS version upgraded. Available iOS versions: 12 or higher
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 Sep 11, 2026 · 3:10 AM Free
Screenshots
