Decibel Meter：Sound Level is an app that can provide real-time distributed data, with the following features:
-High precision measurement, real-time measurement
-Provide location information for measurement
-Provide detailed measurement reports
-One click sharing of measurement data
-Support for exporting audio data
-Minimalist design, one click measurement
-Support decibel meter data

1.Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of purchase
2.Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period
3.Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID" to enter the "Account Settings" page, click on "Subscription", and choose to unsubscribe
4.Privacy Agreement: https://docs.qq.com/doc/DVGVuV3BPSnFieEhl
5.Terms of Use: https://docs.qq.com/doc/DVEtuRkJ1bGxoR3RS