**Last Updated: June 9, 2026**
Welcome to **Volume Control** (hereinafter referred to as "the App"). We attach great importance to your privacy and the protection of your personal information. This Privacy Policy outlines how we collect, use, store, and protect your information, as well as the rights you have regarding your data.
Please read and understand the full content of this Privacy Policy before using the App. By continuing to use the App, you acknowledge that you have read and agreed to this Privacy Policy.
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# I. Basic App Information
App Name: **Volume Control**
Developer Contact Information:
Email: **[liujinying.haohaoda@gmail.com](mailto:liujinying.haohaoda@gmail.com)**
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# II. Information We Collect
## 1. Personal Information We Do Not Actively Collect
This App is a volume control tool designed to help users manage device volume and execute scheduled volume-related functions.
During normal use, we **do not actively collect, store, or sell the following personal information**:
* Name
* Mobile phone number
* ID card number
* Email address
* Home address
* Contact information
* Communication records
* Photos or videos
* Bank card information
* Payment information
* Biometric information
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## 2. Information Generated During App Operation
To ensure the App functions correctly, the device system may provide necessary operational environment information, such as:
* Device model
* Android system version
* App version number
* Device language settings
* Time zone information
* System operational status
The information above is used solely for app functionality, troubleshooting, and compatibility optimization; it is not used to identify any specific individual.
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# III. Explanation of Permissions
This App requests only the permissions necessary to implement its core functions. ## (1) Exact Alarm Permissions
Permission names:
* SCHEDULE_EXACT_ALARM
* USE_EXACT_ALARM
Purpose:
To ensure that scheduled tasks set by the user execute accurately at the specified time, such as:
* Adjusting volume at a scheduled time
* Muting audio at a scheduled time
* Restoring volume at a scheduled time
* Switching volume profiles at a scheduled time
Usage details:
* This permission is used solely to execute scheduled tasks actively set by the user;
* It is not used to collect personal information;
* It is not used for pushing advertisements;
* It is not used for tracking user behavior.
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## (2) Device Wake-Lock Permission
Permission name:
* WAKE_LOCK
Purpose:
To ensure scheduled volume tasks execute as planned and prevent tasks from failing to trigger due to the device entering sleep mode.
Usage details:
* Keeps the device running briefly only when necessary;
* Does not continuously consume device resources;
* Does not read your personal data;
* Is not used for any purpose unrelated to volume control.
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# IV. Purposes of Information Use
We use relevant information solely for the following purposes:
* Providing volume control functions;
* Providing scheduled volume management functions;
* Ensuring the accurate execution of scheduled tasks;
* Fixing application malfunctions;
* Improving application stability and compatibility;
* Complying with legal and regulatory requirements.
We do not use your information for:
* Targeted advertising;
* User profiling;
* Selling user data;
* Unauthorized commercial purposes.
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# V. Information Storage
## Local Storage
This application may save the following data locally on your device:
* Volume settings
* Scheduled task configurations
* User preferences
The data mentioned above is stored only on your device to ensure the application functions correctly.
## Cloud Storage
By default, this application does not upload user data to the developer's servers, nor does it establish a user account system.
Therefore, your usage data is generally not uploaded to internet servers for storage.
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# VI. Information Sharing and Disclosure
We respect user privacy and will not sell, rent, or trade your personal information. We will not disclose your information to any third party except in the following circumstances:
## 1. With Your Explicit Authorization
We may process your information within the scope of your authorization after obtaining your explicit consent.
## 2. Legal and Regulatory Requirements
We may provide relevant information in accordance with the law when required by laws, regulations, judicial authorities, or administrative agencies.
## 3. Protection of Legitimate Rights and Interests
We may make necessary disclosures within the scope permitted by law to safeguard the legitimate rights and interests of users, the public, or the developer.
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# VII. Data Security
We take reasonable measures to protect the security of user information, including but not limited to:
* The principle of least privilege;
* Local data isolation;
* Prevention of unauthorized access;
* Secure development and maintenance measures;
* Regular remediation of known security issues.
However, please understand that no method of internet transmission or electronic storage can guarantee absolute security.
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# VIII. Protection of Children's Privacy
This application is intended for use by **users aged 13 and older**.
## 1. Not Intended for Children Under 13
This application is not specifically designed for or intended to provide services to children under the age of 13.
We do not knowingly collect personal information from children under the age of 13.
## 2. Guardian Responsibility
If a guardian discovers that a child has provided personal information to this application without permission, please contact us promptly using the contact information provided in this privacy policy.
## 3. Deletion Mechanism
If we discover that information regarding a child under the age of 13 has been collected inadvertently, we will delete the relevant information as soon as possible after verification.
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# IX. User Rights
You have the right to:
* Understand this privacy policy;
* Stop using this application;
* Delete the application and its local data;
* Contact the developer regarding privacy-related questions;
* Provide feedback and suggestions regarding personal information protection.
If you have any such needs, please contact us via email.
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# X. Privacy Policy Updates
We may update this privacy policy in response to changes in laws and regulations, adjustments to product features, or business development needs.
The updated privacy policy will be published within the application or on the application's release page.
If an update involves significant changes affecting user rights, we will notify users through reasonable means. ---
# 11. Contact Us
If you have any questions, comments, or suggestions regarding this Privacy Policy, please contact us via:
Email:
**[liujinying.haohaoda@gmail.com](mailto:liujinying.haohaoda@gmail.com)**
We will respond to your inquiries within a reasonable timeframe.
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# 12. Governing Law
The formulation, implementation, and interpretation of this Privacy Policy are governed by relevant laws and regulations.
If any provision of this Privacy Policy is found to be invalid, the validity of the remaining provisions shall not be affected.
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Thank you for using Volume Control.