About this app
This app is primarily used to measure sound level of surroundings. It contains the following features: 1) Plot the measured data in real time. 2) Measurement duration and measurement frequency are customizable. 3) Users could set alert value to some level (Ex. 70 dB). When the measured sound level exceeds the alert value, it will alert users. 4) The location information of the measurement points could also be obtained, and all the measurement results could be shown in map. 5) All measured data could be exported as a csv format file for post process. 6) In addition, users could also add photos, videos and voice notes to the measured data, and the photos, videos and voice notes could be downloaded via iTunes.
Latest release
What’s New
Support for iOS13
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 20, 2026 · 10:46 PM $1.99