Last updated: May 29, 2025
Welcome to Nano Clean!
We are fully aware of the importance of personal information to you and will collect, use and protect your personal information in accordance with the law. Please read this Privacy Policy (hereinafter referred to as "this Policy") carefully before using the Nano Clean application (hereinafter referred to as "this application" or "Nano Clean") to understand how we handle your information.
I. Information we collect
We only collect information necessary to achieve the core functions of the product and improve the user experience. Depending on the features you use, the following types of information may be collected:
1. Device information
For device cleaning and optimization, we may collect the following information:
Device model, operating system version, unique device identifier (such as Android ID)
System status information such as memory, storage space, battery status, CPU usage rate, etc.
List of installed applications (only used to identify useless/redundant applications, not for advertising recommendations)
2. Log data
To ensure the normal operation of the application and troubleshoot problems, we may automatically collect the following information:
Application crash log
Function usage frequency (such as number of clicks, cleaning frequency)
Error report
3. User support information
When you contact us by email or other means, we may collect your contact information and feedback content to provide you with service support.
4. Advertising data (if applicable)
If you use a version that contains ads, our third-party advertising partners may collect information such as device identification, ad display and click records for advertising analysis and delivery optimization. For specific information, please refer to the corresponding third-party privacy policy.
II. How we use information
The purpose of collecting information includes but is not limited to:
Provide core functions (such as cleaning, acceleration, optimization)
Improve application performance and stability
Conduct user data analysis to optimize product experience
Comply with legal and regulatory requirements
Handle user complaints and feedback
III. Information sharing and third-party services
We promise not to sell your personal information to any third party. We only share information in the following circumstances:
With your explicit consent;
Disclose to trusted service providers, such as data analysis platforms, advertising platforms (these third parties must fulfill confidentiality obligations and can only use data in accordance with our instructions);
When required by laws and regulations or requested by government departments in accordance with the law.
Common third-party services include:
Google AdMob (for ad display)
Firebase (for application performance and crash analysis)
Please refer to the privacy policies of each third party to understand how they handle information.
IV. Your rights
Under applicable data protection laws, you may have the following rights:
Access the information we collect about you;
Request correction or deletion of your information;
Refuse certain types of data collection (such as advertising personalization);
Withdraw authorization (may affect the use of some functions);
If you wish to exercise the above rights, please contact us in the following ways.
V. Storage and security of information
We take reasonable technical and management measures to protect the security of your information, including data encryption, access control, and prevention of illegal access.
Your information is usually stored in mainland China or on a third-party cloud server;
We only retain your information for the period necessary to achieve the purpose, and will delete or anonymize it after the period expires;
VI. Protection of minors
This application is not intended for minors under the age of 13. If we find that a user under the age of 13 has provided personal information without the consent of the guardian, we will delete it immediately.
VII. Changes to this policy
We may update this policy from time to time. The updated privacy policy will be notified to you through a pop-up window in the application or an announcement on the official website. If you continue to use this application, it means that you accept the changes.
VIII. Contact Us
If you have any questions about this policy or wish to exercise your privacy rights, please contact us through the following methods:
Email: support@nanocleanapp.com