This privacy policy applies to the DEDE decibel meter app (herein referred to as "Application") for mobile devices that was created by TTYM (herein referred to as "Service Provider") as a Free service.
Last updated: December 2025
The Application uses the microphone of your device to measure the sound level in your environment. All audio data is processed in real-time locally on your device and is NOT recorded, stored, or transmitted to any external servers.
We respect your privacy and are committed to protecting it. The core functionality of the app operates entirely offline and does not require any personal information.
The Application uses third party services that may collect information used to identify you. These include:
These services may collect device identifiers, IP addresses, and usage data according to their respective privacy policies. We encourage you to review their policies.
The Application requires the following permissions:
Measurement history is stored locally on your device using encrypted local storage. This data:
The Application does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it immediately.
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
If you have any questions or suggestions about our Privacy Policy, please contact us at:
Email: 379298709@qq.com