Terms of Service

Last updated: May 16, 2026

Welcome to MuseRest AI (collectively referred to as “Platform”, “We” or “Us”). The Platform is operated by Hangzhou Chenxing Zhishu (hereinafter “Company”). These Terms of Service (the “Terms”) constitute a legally binding agreement between you (the “User” or “You”) and Us regarding your use of the MuseRest AI mobile application and related ancillary services (collectively, the “Services”).

Please read these Terms carefully in their entirety before registering, logging in, or using the Services. By completing registration, logging in, or otherwise using the Services, you signify that you have fully read, understood, and voluntarily agree to be bound by all of these Terms. If you do not agree to any part of these Terms, you must immediately cease accessing or using the Services.

1、 Contracting Parties

This Agreement is entered into by and between the following two parties:

1.1 Service Provider

The Company: Hangzhou Chenxing Zhishu, the operator of MuseRest AI. The Company may provide the Services to Users through its own application, official website, and compliant cooperative channels.

1.2 Service User

User: A natural person, legal entity, or other unincorporated organization that has obtained authorization to use the Services through official and lawful channels of MuseRest AI and voluntarily agrees to be bound by these Terms.

2、 Platform Services

Through the MuseRest AI Platform, We provide Users with the following services. Depending on account permissions, users may use such services free of charge or pay to unlock value‑added services:

Sleep Monitoring: monitor your sleep data (including sleep stages, sleep duration, sleep score, etc.) via your mobile phone or Apple Watch;
Sleep Sound Monitoring: record snoring, sleep talking, abnormal sounds, and ambient decibel levels during sleep;
AI Analysis Reports: generate textual analysis reports (daily, weekly, monthly) based on your sleep monitoring data;
Training Features: provide breathing exercises and guided meditation services;
Music & Mixing: provide white noise, instrumental music, mixing creation, and AI music creation features;
Social Features: friend management and sharing sleep data with friends;
Local AI: built‑in AI assistant features, such as AI conversation, role‑playing, sleep recommendations, sleep analysis, etc.;
Membership Services: provide monthly subscriptions and one‑time purchase packs, allowing access to value‑added services such as cloud synchronization.

3、 Acceptance of These Terms

3.1 Acknowledgment of Acceptance of Terms

You acknowledge that any act of registering, logging in, or clicking to use the Services shall be deemed as your voluntary acceptance of all provisions of these Terms and the Privacy Policy, which together constitute the entire service agreement between you and Us. If you do not agree to any part of these Terms, you must not use the Services.

3.2 Refund Rules for Paid Services

The Platform offers paid services such as subscriptions and one‑time purchase packs. When activating such services, you must carefully review the service type, permissions granted, and other details, and you must read, acknowledge, and comply with the relevant agreements and usage rules.

If you have not yet actually used the paid service (for example, you have not consumed any subscription days or any quota of a purchase pack), you may request a refund by sending an email to support@muserestai.com. We will process your request within a reasonable period. Once you have started to actually use the service (including but not limited to consuming subscription days, using quota from a purchase pack, downloading or using paid features), no refund will be accepted.

3.3 Official Usage Guidelines

You may use the features and services provided by us in their normal manner. If you access the Services through unofficial versions of the software or unofficial websites, you assume all risks arising therefrom, including but not limited to account anomalies, data loss, and financial losses, and we shall not be held liable.

3.4 Software Updates

We reserve the right to update the Software from time to time as operational needs require (including but not limited to version changes, feature upgrades, capability enhancements, new services, and version replacements). We will provide reasonable advance notice to users through in‑application announcements.

3.5 Costs of Use

To use the Platform Services, you must provide at your own expense the necessary terminal devices (e.g., computers) and accompanying software. Launching and running Our service software on a terminal device constitutes your commencement of use of such software and the corresponding services. To fully access all Platform features, you must connect to the internet at your own cost and bear all related expenses, including data and broadband access fees.

3.6 Service Modifications and Interruptions

The Platform Services and the corresponding software/website include information content and links lawfully obtained by Us, as well as other independent services lawfully operated by the Platform. Such services may exist as separate modules within the Platform.

We reserve the right to adjust, add, remove, or modify the Platform’s service modules and functional content at our sole discretion. We also have the right to temporarily suspend or permanently terminate the Services. We shall not be liable for any service interruptions or data delays caused by system maintenance, equipment failures, network anomalies, or force majeure.

3.7 Geographic Use Restrictions

The Platform Services are prohibited from being distributed or used in any country or region where applicable laws and regulations forbid such distribution or use. We reserve the right, at our sole discretion, to restrict access to all or part of the Platform Services and Software from any person, region, or jurisdiction at any time. If the laws of your jurisdiction prohibit your use of the Services, you must immediately cease using them.

3.8 Use by Minors

These Terms apply to all Users regardless of the device or platform used to access the Services. You confirm that you have the legal capacity to enter into these Terms.

If you are under the age of 13, please do not use the Services. If you are 13 years of age or older but under the age of 18 (or the age of majority in your jurisdiction), you must read these Terms with your legal guardian and obtain your legal guardian’s consent before deciding whether to use the Services.

For users located in the European Economic Area (EEA), the United Kingdom, or Switzerland: if you are under the age of 16, you must obtain the explicit consent of your legal guardian before using the Services. We reserve the right to take reasonable measures to verify your age and the existence of such consent.

If you are under the age of 18 and use the Services without guardian consent, We reserve the right to terminate your account and access to the Services.

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Us regarding your use of the Services. By using the Services, you also agree to our Privacy Policy.

4、 Changes to These Terms

4.1 Right to Amend

We reserve the right to amend these Terms from time to time, to the extent permitted by law. The amended Terms will be posted within the Application. Material changes will be notified to users via in‑application notice or email. The amended Terms shall take effect on the date of posting.

4.2 Effectiveness and Acceptance

If you continue to use the Services after the Terms have been amended, you will be deemed to have accepted the amended Terms. If you do not agree to the amended Terms, you must stop using the Services and may delete your account.

4.3 Right to Take Action for Violations

We reserve the right, to the extent permitted by law, to take appropriate measures against users who violate the most current version of these Terms, including but not limited to restricting feature use, suspending or terminating accounts.

5、 Account Management Rules

5.1 Account Registration Methods

You may register an account through the following methods:

Email address and password registration/login.
Email verification code registration/login.
Apple ID login.
Google account login.

5.2 Account Security Responsibilities

Users are solely responsible for safeguarding their account, login credentials, and password information. Any account theft, unauthorised operations, or financial losses resulting from the user‘s own negligence or voluntary disclosure shall be borne solely by the user;
The same account may be logged in on multiple devices. We manage device access permissions through session management;
If a user discovers anomalous login or that their account has been compromised, they must contact Us immediately. Any losses arising from the user’s failure to report such incidents in a timely manner shall be borne solely by the user.

5.3 Account Binding Rules

Users may bind an email address, Apple ID, or Google account as login credentials, and must retain at least one valid login method. Any binding or unbinding operation requires security verification.

5.4 Information Authenticity Requirement

You must provide true, accurate, and complete registration information, and promptly update such information when it changes. You assume all consequences arising from the provision of false information.

5.5 Account Transfer Restriction

Except with Our prior written consent, you may not transfer, sell, or otherwise dispose of your account to any third party.

5.6 Handling of Long‑Term Dormant Accounts

If an account remains inactive (no login) for one consecutive year, we reserve the right to freeze, delete, or erase all data of such account. Prior to taking such action, we will notify the user via in‑application announcements or messages.

6、 Prohibited User Conduct

Users agree that when using the Services, they shall not engage in any of the following conduct. If they do, we reserve the right to suspend or terminate accounts, delete violative content, and pursue legal remedies:

Violate any applicable laws or regulations, public order or good morals, or the legitimate rights and interests of any third party;
Impersonate another person or register an account using a fictitious identity;
Harass, threaten, or infringe upon the legitimate rights and interests of other users;
Use technical means to disrupt the normal operation of the Services, including but not limited to introducing malicious code or carrying out denial‑of‑service attacks;
Register accounts in bulk, artificially inflate usage metrics, or improperly extract platform resources;
Reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code of the Application;
Use the content of the Services for commercial purposes without authorisation;
Upload or disseminate illegal, obscene, violent, discriminatory, or other content that violates any applicable laws or regulations;
Interfere with or disrupt other users’ normal use of the Services;
Bypass or attempt to bypass any access restrictions or security measures we have implemented.

If you violate any of the above provisions, we reserve the right to take appropriate measures, including but not limited to deleting violative content, issuing warnings, restricting functionality, suspending or permanently terminating your account, and pursuing legal liability.

7、 Ownership of Intellectual Property Rights

7.1 Our Intellectual Property Rights

All rights, title, and interest in the Application (including its software program, interface design, icons, audio materials, text, algorithmic models, data structures, visual elements, etc.) are owned by Us or our licensors and are protected by applicable intellectual property laws.

We grant Users only a personal, non‑commercial, non‑transferable, revocable, limited right to use the Application. Without Our prior written permission, Users may not copy, modify, sell, rent, or distribute any content of the Platform.

You are prohibited from using Our company name, trademarks, logos (including those displayed on Our website) without authorisation. Pursuant to the licence agreement, you may not use the names of the Platform’s original materials or the names of copyright holders without permission. All trademarks, service marks, trade names, and logos appearing in the Services are the property of Us or their respective owners. You may not use any such marks without our prior written consent.

We reserve all rights not expressly granted to you in the Services. No use of the Services shall be construed as transferring any intellectual property rights to you.

7.2 Intellectual Property Rights in User‑Generated Content

You understand and agree that any audio, mixing, or other content generated through the AI creation features of the Platform ("AI-Generated Content") shall be owned by Us, including all intellectual property and related rights therein.

We grant you a personal, non-transferable, non-exclusive, limited license to use the AI-Generated Content within the Platform. You may not download, copy, transmit, or otherwise use the AI-Generated Content outside the Platform.

If you have obtained access to AI-Generated Content through a paid subscription, this provision does not negate the value of your payment, and we will continue to provide you with access to such content throughout the term of your active membership.

7.3 Platform Material Usage Rules

Platform materials such as white noise, instrumental music, and sound effects may only be used personally within the Application;
It is prohibited to download, copy, or distribute the Platform’s audio materials for commercial use;
Member‑exclusive materials may only be used during the active subscription period; after the subscription expires, access to such materials will cease.

7.4 Infringement Handling

If you believe that any content within the Services infringes your intellectual property rights, please notify Us using the contact information set forth in Section 17 of these Terms, and provide the following information:

a description of the copyrighted work you claim has been infringed;
a description of the allegedly infringing content and its location;
your contact information;
a statement that you have a good faith belief that the use is not authorised;
your signature.

We respect the intellectual property rights of third parties. If you believe that any content on the MuseRest AI Platform allegedly infringes intellectual property rights (including copyrights), please send your notice to: support@muserestai.com.

8、 User Content Management

8.1 Definition of “Your Content”

“Your Content” means content that you actively create, upload, or submit through the Services, including but not limited to mixing formulas, profile information, and feedback. Content generated through the AI creation features of the Platform is governed by Section 7.2 (Intellectual Property Rights in AI‑Generated Content) and is excluded from this definition.

8.2 Your Responsibility for Your Content

You bear sole responsibility for your content. You confirm and warrant that you own or have obtained all rights necessary to create and submit Your Content, and that Your Content does not infringe any third‑party rights or violate any applicable laws or regulations.

8.3 Grant of Licence

You grant Us a non‑exclusive, royalty‑free, worldwide licence to use Your Content for the purpose of providing and improving the Services, including but not limited to storing, processing, transmitting, and displaying Your Content. This licence remains in effect during these terms and terminates after you delete your content or delete your account.

8.4 Content Management

Both the mixing formulas you create (which fall within Your Content) and the audio content you generate through the AI creation features must comply with applicable laws and regulations.
You may not upload or disseminate illegal, obscene, violent, discriminatory, or other prohibited content.
We have the right (but not the obligation) to review Your Content and AI‑generated content, and in our sole discretion to delete any content that violates these Terms.
We reserve the right to take measures against violators, including but not limited to suspending or terminating accounts, as the circumstances warrant.

9、 AI Features and Disclaimer

9.1 Nature of AI-Generated Content

The Services include features and content generated by artificial intelligence technologies, including but not limited to AI analysis reports, AI music creation, and AI conversation services. You understand and agree that:

AI-generated content is based on algorithms and statistical models and may be inaccurate, incomplete, or unsuitable for your particular circumstances.
AI-generated content does not represent Our views or recommendations, nor does it constitute any professional advice.
You should independently assess the reliability of AI-generated content and should not rely on it as the sole basis for making important decisions.

9.2 Non-Medical Disclaimer

All services and content provided through the Services are for informational purposes only and do not constitute any medical advice, diagnosis, or treatment plan.

Sleep monitoring data are for reference only and shall not be used as a basis for medical diagnosis.
AI analysis reports are generated by algorithms and do not replace professional medical advice.
Breathing exercises and guided meditation are provided as relaxation aids; if you have any health concerns, please consult a qualified physician.
If you suffer from sleep disorders or other health issues, please seek professional medical assistance.

9.3 Use Restrictions for AI-Generated Creative Content

AI-generated music content is for personal use only and may not be used for commercial purposes unless explicitly authorised.
You understand that AI creation results may vary depending on input parameters, model versions, and other factors, and We do not guarantee consistency of results across different creation sessions.

9.4 Data Accuracy

The accuracy of sleep monitoring data may be affected by device performance, wearing method, environmental factors, and other variables.
We do not guarantee the absolute accuracy of monitoring data.
Sleep monitoring data with a recorded duration of less than 90 minutes may be incomplete and will not be retained.

10、 Paid Membership Services

10.1 Subscription Type

The Platform offers only a monthly membership subscription, billed on a monthly basis with automatic renewal.

10.2 Membership Benefits

Subscribing users are entitled to the following additional benefits:

Cloud storage and synchronization of sleep data.
Cloud storage of AI analysis reports.
Access to all paid audio and meditation materials.
Higher quotas for AI creation, AI reports, and mixing limits.
Access to advanced features of local AI conversation.

10.3 Subscription Management Rules

Subscriptions are purchased and managed through the Apple App Store and PayPal.
Automatic renewal charges will be made within 24 hours before the end of the current subscription period.
You may turn off automatic renewal at any time in your Apple and PayPal settings.
After cancellation, membership benefits will expire at the end of the current subscription period.
Refund Rules: If you have not yet actually used the subscription service (for example, you have not consumed any subscription days), you may request a refund in accordance with the refund rules set forth in Section 3.2. Once you have started to actually use the service (including but not limited to consuming any subscription days or using paid features), the paid fees are non-refundable. Users have a 14‑day right of withdrawal; please refer to Section 3.2 for details on how to exercise that right.

10.4 Restore Purchases

You may restore a previously purchased subscription under the same Apple ID using the “Restore Purchases” feature.

10.5 Price Changes

We reserve the right to adjust subscription prices. Price adjustments will be notified to you in advance, and the adjusted price will apply after the end of your current subscription period. If you do not agree with the adjusted price, you may cancel your subscription before the current period ends.

10.6 Payment Disputes

If you have any dispute regarding a payment, please contact Us using the contact information set forth in Section 16 of these Terms. For payment disputes related to the Apple App Store and PayPal, you can also handle it through the dispute resolution channels of Apple and PayPal.

11、 Third-Party Service Integrations

The Platform integrates the following compliant third‑party services. By using them, you agree to be bound by the respective third‑party terms of service and privacy policies:

Apple Sign In – account login – Apple Privacy Policy.
Google Sign-In – account login – Google Privacy Policy.
Apple App Store – Subscriptions and payments – Apple Media Services Terms.
Apple HealthKit – Health data reading (if applicable) – Apple Health Data Policy.
Alibaba Cloud – Cloud server hosting, AI analysis (text generation) – Alibaba Cloud Terms of Service.
TemPolor – AI music generation – TemPolor Terms of Service.
PayPal – Subscriptions and payments - PayPal Privacy & Legal.

When using the above third‑party services, you are also bound by their respective terms of service and privacy policies. We make no warranties regarding the content, accuracy, or availability of third‑party services, and shall not be liable for any loss arising from your use of such services.

Third‑party services may have their own data collection and processing policies. We encourage you to carefully read the privacy policies and terms of service of the relevant third parties. We assume no responsibility for the privacy practices of third‑party services.

12、 User Feedback

If you provide Us with any feedback, suggestions, or improvement ideas (collectively, “Feedback”), you agree to grant Us a perpetual, royalty‑free, worldwide, irrevocable licence to use, reproduce, modify, distribute, and otherwise exploit such Feedback for the purpose of improving the Services, developing new features, or enhancing user experience. This licence does not constitute a waiver of any of your intellectual property rights; you retain full ownership and all intellectual property rights in your Feedback.

We appreciate your Feedback, but are not required to acknowledge receipt of or respond to any Feedback you submit. We are under no obligation to implement any improvement or modification suggested by you.

13、 Indemnification

You agree to indemnify, defend, and hold Us harmless from and against any and all claims, losses, damages, costs, and expenses (including reasonable attorneys’ fees) arising out of or relating to:

Your breach of any provision of these Terms;
Your Content infringing any third party’s intellectual property or other rights;
Your violation of any applicable laws or regulations;
Your use of the Services violating any third party’s rights;
This indemnification obligation shall survive the termination of these Terms.

If we deem it necessary, we reserve the right, at our sole discretion, to assume the exclusive defence and settlement of any such matter, and you shall cooperate with us in the defence and settlement of any indemnifiable matter.

14、 Disclaimer of Warranties and Limitation of Liability

14.1 General Disclaimer of Warranties

To the fullest extent permitted by law, the Services are provided on an “as is” and “as available” basis, and We disclaim all express or implied warranties, including but not limited to:

We do not warrant that the Services will meet your specific requirements or expectations;
We do not warrant that the Services will be fit for any particular purpose;
We do not warrant that the use of the Services will not infringe the rights of any third party;
We do not warrant that the Services will be uninterrupted, timely, secure, or error‑free;
We do not warrant the accuracy, reliability, or completeness of any results obtained through the Services;
External environmental issues such as device failures, network congestion, or communication interruptions;
Service suspensions due to system maintenance, version upgrades, or emergency repairs;
Uncontrollable factors such as hacker attacks, virus intrusions, or force majeure;
Damages arising from your unauthorised use or unauthorised modification of the Application;
Failures resulting from failure to meet the minimum device requirements or failure to update to the official version.

14.2 Disclaimer of Indirect Damages

Except for liabilities that cannot be excluded by law, we shall not be liable for any indirect or consequential damages, including but not limited to loss of profits, loss of goodwill, loss of business opportunities, loss of data, derivative losses, or losses caused by service downtime.

14.3 Disclaimer Regarding Third Parties

To the fullest extent permitted by law, any dispute arising between you and any third party (including carriers, copyright holders, other users, etc.) in connection with your use of the Services shall be resolved solely between you and such third party. You agree not to assert any claim or liability against us arising from such disputes.

14.4 Limitation of Liability

To the fullest extent permitted by law, in no event shall We or our directors, employees, partners, or agents be liable for:

Any indirect, incidental, special, punitive, or consequential damages (including but not limited to loss of profits, loss of data, damage to goodwill, or cost of substitute products or services), whether based on contract, tort (including negligence), strict liability, or any other legal theory, even if we have been advised of the possibility of such damages;
Any damages arising from your use of or inability to use the Services;
Any damages arising from the loss or alteration of Your Content;
Any damages arising from third‑party services or content.

14.5 Cap on Liability

Notwithstanding any other provision of these Terms, Our total liability to you for any and all claims arising out of or relating to these Terms or the Services shall not exceed the total amount of fees paid by you to Us during the 12‑month period immediately preceding the event giving rise to such liability. This limitation of liability does not apply to personal injury or death caused by our intentional misconduct or gross negligence.

15、 Account Termination and Deletion

15.1 Your Right to Terminate

You may stop using the services at any time. You may request account deletion in Settings → Account & Security:

After a deletion request is submitted, a 3‑day cooling‑off period applies.
During the cooling‑off period, you may cancel the deletion request at any time.
After the cooling‑off period ends, your account and all related data will be permanently deleted and cannot be recovered.

15.2 Our Right to Terminate

We reserve the right to suspend or terminate your account and your access to the Services at any time, without prior notice, in the following circumstances:

You breach any provision of these Terms;
We believe that your conduct may cause harm to us or other users;
As required by law or governmental request;
The Services cease operation.

15.3 Effect of Termination

Upon termination of your account:

Your right to use the Services terminates immediately;
We have no obligation to refund any fees paid by you, except as otherwise required by law;
We have the right to retain your information to the extent permitted or required by law;
Your Content may be permanently deleted, and we shall not be liable for any loss of content resulting from termination;
Any provisions of these Terms that, by their nature, should survive termination shall remain in effect.

16、 Miscellaneous

16.1 Governing Law

These Terms are drafted by Us within China and shall be governed by the laws of the People’s Republic of China (excluding conflict of laws rules applicable to Hong Kong, Macau, and Taiwan). The Services are provided only to users outside mainland China and are not intended for users within mainland China. Users in different countries/regions are also required to comply with applicable mandatory local laws and regulations.

16.2 Dispute Resolution

Any dispute or controversy arising out of or relating to these Terms shall first be resolved through friendly negotiations. If such negotiations fail, both parties agree to submit the dispute to arbitration. The place of arbitration shall be Hong Kong, China. The arbitration shall be administered by the Hong Kong International Arbitration Centre (HKIAC). The language of arbitration shall be Chinese. The arbitral award shall be final and binding on both parties.

16.3 Force Majeure

We shall not be liable for any loss caused by force majeure. For the purposes of these Terms, force majeure includes: natural disasters; changes in laws, regulations, or governmental policies; failures of domestic or international basic telecommunications carriers; technical defects in network infrastructure; limited network coverage; computer viruses; hacker attacks; and any other objectively foreseeable events that are unforeseeable, unavoidable, and insurmountable to the extent permitted by law.

16.4 Severability

If any provision of these Terms is held to be invalid or unenforceable, the remaining provisions shall continue in full force and effect. If any provision is held by a court of competent jurisdiction to be unenforceable or invalid, such provision shall be modified to the minimum extent necessary to render it enforceable.

16.5 Entire Agreement

These Terms, together with the Privacy Policy, constitute the entire agreement between you and Us regarding your use of the Services and supersede all prior oral or written agreements on the same subject matter.

16.6 Waiver

Our failure or delay in exercising any right under these Terms shall not operate as a waiver of such right. Any waiver of any provision of these Terms shall be effective only in writing and only for the specific instance.

16.7 Assignment

You may not assign any of your rights or obligations under these Terms without our prior written consent. We may freely assign our rights and obligations under these Terms without your consent.

16.8 Data and Privacy

For details on the collection, use, and protection of data in connection with the Services, please refer to the Privacy Policy. By using the Services, you agree with the processing of your personal information as described in the Privacy Policy.

16.9 Contact Information

If you have any questions about these terms, please contact us through the following methods:

In‑app feedback: Settings → Feedback
Email: support@muserestai.com