[Metronome BPM: Precise Rhythm & Visual Beat Bars] Privacy Policy

App Basic Information

    App Name: Metronome BPM: Precise Rhythm

    App Package Name: com.metronomebpm.precise

    Effective Date: 20251201

    Developer: meiduolacnb

1. Introduction

    This Privacy Policy aims to inform you (the user) about how we collect, use, store, share, and protect your personal information when using this App.

    We strictly comply with the Google Play Developer Policies, the Personal Information Protection Law of the People's Republic of China, and other relevant laws, regulations, and industry standards, and commit to respecting and protecting your personal privacy.

    By downloading, installing, and using this App, you indicate that you have fully read, understood, and agreed to all the terms of this Privacy Policy. If you do not agree to this Policy, please do not use this App.

    This Policy applies only to this App and does not apply to any third-party apps, websites, or services (including third-party services that may be linked in this App).

2. Data Collection and Use

As a lightweight tool App, its core functions are to provide beat rhythm control, visual feedback, and other services. It does not actively collect any of your sensitive personal information (such as name, phone number, ID card number, geographic location, bank card information, etc.). We only collect and use the following non-sensitive data to the extent necessary to implement the App's functions, and all data is stored locally on your device and will not be uploaded to our servers:

(1) Types of Collected Data and Purposes

    App Configuration Data

        Collected Content: Parameters set by you in the App (such as BPM value, time signature type, sound selection, visual bar style, vibration switch status, background playback settings, etc.);

        Collection Method: Automatically recorded locally by the App after you actively set it;

        Purpose: To save your personalized usage habits, ensuring that you can directly restore historical settings the next time you launch the App without repeated configuration.

    Basic Device Information

        Collected Content: Device model, operating system version, screen resolution, App installation version;

        Collection Method: Automatically read when the App is running (only obtains basic device adaptation information without any identification information);

        Purpose: To adapt the function display of different devices, optimize the App's operating performance (such as optimizing interface layout for low-version systems, avoiding display abnormalities on high-resolution devices, etc.), and improve the user experience.

    Crash Log Data (Optional, Subject to User Authorization)

        Collected Content: If the App crashes or malfunctions during operation, only with your active consent, basic logs at the time of the crash will be collected (including device model, system version, crash time, and error code, without any personal information);

        Collection Method: Generated locally through the App's built-in crash statistics module (logs are not automatically uploaded);

        Purpose: To help developers locate and fix App vulnerabilities and optimize App stability. If you disagree, you can disable this function at any time in the App's "More Settings - Privacy Settings". After disabling, no further crash logs will be collected.

(2) Legal Basis for Data Collection

The legal basis for our collection and use of the above data is:

    Necessary to implement the core functions of this App (such as saving personalized settings, adapting device operation);

    Based on your explicit consent (e.g., crash log collection).

3. Data Storage and Protection

    Storage Location: All collected data is stored only locally on your mobile device and will not be uploaded to our servers or any third-party servers.

    Storage Period: Data will be continuously stored on your device until you actively uninstall the App (all locally stored data will be automatically deleted after uninstallation).

    Protection Measures: We adopt industry-standard security protection measures to protect local data, including but not limited to: encrypted storage of data during App operation, restriction of data access permissions (only the App itself can read), and prevention of unauthorized access, tampering, or leakage of data.

4. Data Sharing, Transfer, and Disclosure

    Sharing and Transfer: We will not share or transfer any of your local data to any third parties (including enterprises, organizations, or individuals).

    Disclosure Exceptions: Data (all non-personal information) may be disclosed only in the following circumstances:

    (1) When required by laws, regulations, judicial organs, or administrative authorities to provide relevant data (we will strictly provide it within the required scope without disclosing any additional irrelevant data);

    (2) To protect the legitimate rights and interests of users, public interests, or the legitimate rights and interests of the developer, disclosure within a reasonable and necessary scope (e.g., providing basic device information about abnormal behavior to relevant security agencies in response to malicious attacks).

5. User Rights

You have the following rights to the data stored locally on the App that belongs to you, which can be exercised in the following ways:

    Right of Access: You can view all saved personalized setting data in the App's "More Settings - Personalization Configuration";

    Right of Modification: You can directly modify any personalized configuration data in the App's settings interface (such as adjusting BPM, switching sounds, etc.);

    Right to Withdraw Consent: If you previously agreed to crash log collection, you can disable this function in the App's "More Settings - Privacy Settings". After disabling, no further crash logs will be collected, and the already collected local crash logs will be deleted immediately;

    Data Clearance: All locally stored data will be automatically cleared when you uninstall the App.

6. Third-Party Service Instructions

This App may integrate some third-party SDKs to implement specific auxiliary functions. The use of relevant SDKs may involve data collection, as detailed below:

    List of Third-Party SDKs and Purposes:

(1) Audio Playback SDK (e.g., audioplayers): Used to implement the playback function of beat sounds, only reads local audio resource files of the App, and does not collect any user data;(2) Vibration Control SDK (e.g., vibration): Used to implement strong beat vibration feedback function, only calls the device system's vibration interface, and does not collect any user data;

    (3) Permission Detection SDK (e.g., permission_handler): Used to detect the status of permissions such as floating window and background operation on the device, only reads the permission on/off status, and does not collect other data.

    Third-Party Data Processing: The data collection, use, and other behaviors of each third-party SDK are subject to their own privacy policies. We have strictly screened cooperative third-party SDKs and require them to comply with relevant laws, regulations, and privacy protection requirements. You can view the details of their privacy policies through official third-party channels.

7. Updates to the Privacy Policy

    We may revise this Privacy Policy in accordance with updates to laws and regulations, iterations of App functions, and other circumstances.

    If there are material changes to this Policy (such as changes to the scope of data collection or purpose of use), we will notify you through the following methods: ① Pop-up prompt when the App is launched; ② Mark the "Update Date" and display the changed content in the App's "More Settings - About Us - Privacy Policy".

    The revised Privacy Policy shall take effect from the date of notification to you. If you continue to use this App, it indicates that you agree to the revised Policy; if you disagree, you should stop using this App immediately.

8. Scope of Application

This Privacy Policy applies only to all functions and services of the "Metronome BPM: Precise Rhythm & Visual Beat Bars" App itself. If you access third-party apps, websites, or services through this App (such as jumping to third-party platforms via sharing links in the App), the privacy policies of the relevant third parties are formulated by themselves and have no connection with us. You should carefully read the third party's privacy policy.

9. Protection of Minors

    This App is suitable for users of all ages, does not provide any special services for minors, and will not actively collect any information about minors.

    If a minor uses this App, it must be under the guidance of their guardian, and the guardian must read and agree to this Privacy Policy.

10. Contact Us

If you have any questions, suggestions about this Privacy Policy, or need to exercise relevant data rights (such as consulting details of data processing), please contact us through the following methods:

    Contact Email:meimeiduola@gmail.com

    Response Time: We will respond to your inquiry within 7 working days after receiving it.

11. Miscellaneous

    The interpretation right of this Privacy Policy belongs to the developer of this App.

    If any dispute arises between you and us regarding the performance of this Privacy Policy, it shall first be resolved through friendly negotiation; if negotiation fails, you may file a lawsuit with the people's court having jurisdiction over the developer's location.