Privacy Policy
Thank you for using Bestsleep's products and services. We fully understand that this application respects and protects the legitimate rights and interests of all users of Bestsleep: Tracker, Clock&Sounds. In order to provide users with more accurate and personalized services, this application will use and disclose user personal information in accordance with the provisions of this privacy policy. Before using Bestsleep, please carefully read and understand this privacy policy. If you do not agree to this policy, you should immediately stop using the products or services we provide.
This privacy policy will help you understand the following content:
1、 How do we collect your personal information
This application may collect and use the following information related to your personal identity:
a. Log information, including your search keywords, browsing information, click data, etc.
b. Device information, such as your device model, operating system version, unique device identifier, hardware settings, software version, network status, etc.
c. Location information, such as your approximate or precise location information collected through GPS or Wi Fi.
d. Gyroscope sensors, acceleration sensors, gravity sensors, and other information are used to monitor your movement status and optimize sleep analysis results.
e. Battery information: When recording sleep function, we will collect your device's battery information to run the sleep recording algorithm function. When your device's battery level is low, the sleep recording algorithm will automatically stop to save power on your device.
f. Mic and storage permissions. After obtaining your consent, we will apply for permission to record and allow storage permissions to analyze your sleep quality and detect sleep and snoring (audio files are only saved locally on the device and will not be uploaded to the server), to provide you with the service of viewing sleep reports on the device.
g. For information needs in special scenarios, if we need to obtain your personal information outside of the aforementioned scenarios, we will obtain your explicit consent again and fully explain the application scenarios and the content and scope of obtaining your relevant information to you before obtaining your explicit consent.
h. Effective subscription and return information, payment and return are handled by iTunes and Google Play. If you register your email address in the application, we will receive information about your payment and return. These data will also be retained for recording purposes.
i. You can use your Google or Apple account to create an account on our application (you should read the applicable third-party privacy policy to understand what other information these third parties will collect when you log in to our application using their account). When you register to use the application, we may collect personal data about you, such as: The name you assigned to the account; The email address you assigned to the account; The password or access code you assigned to the account.
j. Camera permission and AI facial skin analysis. If you choose to use AI skin analysis, we will request camera permission to capture facial images and analyze visible skin appearance. The feature provides Skin Score, Skin Age, Radiance, Under-Eye, Redness, Evenness, and Texture estimates. It is optional. Declining camera permission affects this feature but does not prevent you from using unrelated sleep features. You may revoke camera permission in your device settings.
For this feature, we process facial photographs to analyze visible skin appearance. Face detection is used only to determine whether a face is present, not to identify or verify your identity or match faces. Your analysis results are associated with your device ID and account ID. Facial photographs and associated analysis results may constitute personal or sensitive information under applicable law.
2、 How do we use your personal information
We strictly abide by the provisions of laws and regulations and the agreements with users, and strictly manage and protect the collected user information.
We may use the collected information to improve our products and services, including but not limited to optimizing user experience, developing new features, identifying and resolving issues, etc.
In order to provide, evaluate, and improve our products and services, we may conduct statistics on the usage of our products or services to measure user interest and participation in our services;. Meanwhile, we may also share these statistical information with the public to showcase the overall usage trends of our products or services. But these statistics will not include any personal identification information of you.
Pursuing our legitimate interests, such as direct sales, research and development (including marketing research), network and information security, and preventing fraud.
Data storage, we will store your sleep data on Google Cloud ( https://firebase.google.com/docs/storage?hl=zh-cn for you to access and obtain your data through your account. We may change our hosting company in the future, in which case we will update this privacy policy. We will not use the storage for advertising purposes, nor will we sell the collected data to any advertising platform, data broker, or information distributor. Before disclosing your personal data to third parties, we ensure that: The shared personal data is limited to the reasonable requirements of third parties to perform the services or functions detailed in their applicable service terms; The agreement we have reached with them includes reasonable terms and conditions for protecting your personal data; These third parties provide reasonable assurance that they will protect your personal data and comply with applicable laws.
AI skin analysis information is used to perform the analysis you request, display and save your analysis history, and combine your skin analysis results with your sleep records to provide personalized sleep suggestions. These suggestions are for general wellness and do not establish that sleep caused any particular skin appearance or condition. Bestsleep stores your facial photographs only on your device. The photographs are also uploaded to Google Gemini for AI skin appearance analysis. We also send relevant sleep records to Google Gemini to generate personalized sleep suggestions using those records together with your skin analysis results. The sleep information sent to Google Gemini consists of sleep duration, sleep onset time, wake-up time, sleep score and snoring information recorded or generated within Bestsleep. We do not send original audio recordings to Google Gemini. Google’s processing and retention are described in the third-party services and retention sections below. Your analysis results are associated with your device ID and account ID on Bestsleep servers. Bestsleep does not send your account ID or device ID to Google Gemini. We disclose this transfer and obtain your explicit consent before sending your photographs and sleep records to Google Gemini. Granting camera permission or accepting general terms does not itself authorize this disclosure.
3、 How do we share, transfer, and publicly disclose your personal information
We attach great importance to the protection of user personal information and will take reasonable security measures to protect your personal information. But in the following situations, we may disclose your personal information:
After obtaining your explicit consent or authorization;
According to the provisions of laws and regulations or at the request of administrative and judicial institutions;
Information transfer involved in completing mergers, divisions, acquisitions, or asset transfers;
To protect the legitimate rights and interests of us, other users, or the general public;
Other necessary disclosure situations.
4、Third party services
In order to optimize our products and provide you with better service, we will share personal data with third-party suppliers or agents who serve us for the purposes specified in this privacy policy. For example, the company we hire to provide data analysis services may need to collect and access personal data for data statistics and analysis. We will require all third parties sharing data to protect your data privacy and security in accordance with this privacy policy. If we share your sensitive personal information or change the purpose of using and processing personal information, we will seek your authorization and consent again.
Before disclosing your personal data to third parties, we ensure that:
The shared personal data is limited to the reasonable requirements of third parties to perform the services or functions detailed in their applicable service terms;
The agreement we have reached with them includes reasonable terms and conditions for protecting your personal data;
These third parties provide reasonable assurance that they will protect your personal data and comply with applicable laws.
The following are our third-party analysis and performance partners who have collaborated with us:
Google： https://policies.google.cn/privacy?hl=zh-CN&gl=cn
adjust： https://www.adjust.com/terms/privacy-policy/
firebase： https://firebase.google.cn/support/privacy/?hl=zh_cn
facebook： https://www.facebook.com/about/privacy
For AI skin analysis and personalized sleep suggestions, we use Google’s paid Gemini API to process the facial photographs, sleep records and skin analysis results described above. Under the paid-service terms, Google does not use submitted content or responses to improve its products. Google may retain inputs and responses for a limited period for safety, abuse prevention and legal compliance. For details, see the Gemini API Terms and Google Privacy Policy .
Bestsleep does not use your facial photographs or skin analysis results to train, fine-tune or improve AI models.
Bestsleep does not use your facial photographs or skin analysis results for advertising or marketing, or provide them to advertising platforms.
5、 How do we store and protect your personal information
We will retain your personal data for evidence and accounting purposes for the period necessary to achieve the collection purpose, or in accordance with the law (whichever is longer), for a retention period not exceeding the applicable statutory statute of limitations. If you use our application, we will retain your personal information as long as your subscription is active.
We use management, technical, and physical security measures to help protect your personal information. We use the following information security measures to protect your personal data:
Encrypt your personal data during transmission and rest; System vulnerability scanning and penetration testing; Protecting data integrity; Organizational and legal measures; Regularly conduct data protection impact assessments
The security of your personal data is important to us, but please remember that no method of internet transmission or electronic storage is 100% secure. Although we strive to use commercially acceptable methods to protect your personal data, we cannot guarantee its absolute security.
For AI skin analysis, facial photographs saved by Bestsleep remain only in your device’s local analysis history until you choose to delete them. Photographs are uploaded to Google Gemini for analysis and are subject to Google’s processing and retention practices described in Section 4. Analysis scores and history are stored on Bestsleep servers, associated with your device ID and account ID, until you delete the relevant records or delete your account. These specific rules apply instead of the general subscription-based retention statement above.
You may contact us using the details below to request deletion of your skin analysis information or withdraw consent to future processing. We handle requests in accordance with applicable law and coordinate with relevant service providers where necessary. Revoking camera access or uninstalling the app does not automatically delete analysis records held on our servers.
6、 Protection of minors
Our products, technologies, and/or services are primarily aimed at adults. Children should not create their own personal information subject accounts without the consent of their parents or guardians. For situations where personal information of children is collected with the consent of parents, we will only use or publicly disclose this information when permitted by law, explicitly agreed upon by parents or guardians, or necessary to protect the child. Although local laws and customs define children differently, we consider anyone under the age of 14 to be a child. If we find ourselves collecting personal information about children without obtaining verifiable parental consent in advance, we will try to delete the relevant data as soon as possible.
7、 How to update this privacy policy
We reserve the right to change this privacy statement from time to time. We will notify you of any changes by publishing updated notifications on the application and our website. If we make any significant changes to the notification, we will provide notice through the Bestsleep application. If you have any questions about notifications or how we handle your personal data, we encourage you to contact us.
8、 Subscription Notice
Bestsleep offers premium membership subscriptions, where you can subscribe and make payments through your iTunes/Google account. After confirming the purchase, a fee will be charged to your iTunes/Google account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. Your account will be renewed within 24 hours before the end of the current period.
9、 Important reminder
This application provides sleep assistance and general wellness features and cannot replace professional medical advice, diagnosis, or treatment. If you have difficulty falling asleep or other sleep problems, please seek medical attention promptly and seek the help of a professional doctor. When using this application, please ensure to follow the correct operating methods. Our company is not responsible for any losses caused by improper operation, misuse or abuse of this application by users. Our company does not guarantee the applicability, accuracy, reliability, etc. of third-party applications or services in this application. Users should make their own judgments and bear corresponding risks when using third-party applications or services.
The optional AI skin analysis feature provides estimates of visible skin appearance for general wellness and informational purposes only. It does not provide medical advice or diagnose, treat, cure or prevent any disease. Skin Age is an appearance estimate, not your actual or biological age. Results may vary with lighting, camera quality, makeup, skin tone and model limitations. They do not establish sleep duration, sleep stages or the cause of a skin change. Consult a qualified healthcare professional about skin or sleep concerns.
10、How To Contact Us
If you have any questions about our privacy practices or this Privacy Policy, or to exercise your rights as detailed in this Privacy Policy, please contact us at: [email protected]。