Last Updated: August 5, 2026
中文 / English

1. About Us

Thank you for choosing HotTrain fitness training software.
HotTrain is a fitness training application provided and operated by JinMing Chen (hereinafter referred to as "we").
The HotTrain User Service Agreement is a valid agreement between us and users (hereinafter referred to as "you") regarding the use of HotTrain services.

2. Scope, Purpose and Confirmation of Agreement

This User Service Agreement and its supplementary agreements, as well as the individual agreements or rules and operation tips displayed on the page (hereinafter collectively referred to as "this Agreement") are the terms on which we provide HotTrain services to you, are inseparable, and you must comply with them all.
Please read the entire contents of this Agreement carefully, especially the bolded parts.
If you have any questions about the contents of this Agreement or the information displayed on the page, please do not proceed to the next step. By using HotTrain services, you are deemed to have read and agreed to be bound by this Agreement.
If you do not agree with any part of this Agreement, or cannot accurately understand the content of the terms, please stop using and do not proceed with subsequent operations.

3. Requirements for Using This Service

3.1 You must have full civil capacity to use HotTrain services. If you are a person with no civil capacity or limited civil capacity, please inform your guardian. Read this Agreement under the guidance of your guardian, and use HotTrain services only after obtaining your guardian's consent;
3.2 You expressly declare and guarantee that: you have sufficient legal rights or authorization to sign and perform this Agreement; your signing and performance of this Agreement will not conflict with or cause breach of any other agreements or arrangements that you are required to perform;
3.3 If the country or region to which you belong excludes all or part of this Agreement, you should immediately stop using HotTrain services, otherwise your continued use of HotTrain services will be deemed as your agreement to bear the relevant legal risks or legal liabilities.

4. Service Content

HotTrain is a fitness training management platform provided to you through the internet, through which you can:
Create and manage personal training plans
Record and view training data (training duration, training day completion rate, etc.)
Record body measurement data (weight, body fat percentage, etc.)
Add training movement notes
Use cloud backup and sync functions
View movement history training data
Use premium version features (requires subscription purchase)

5. User Usage Rules

5.1 Operations performed and instructions issued using your identity elements are deemed to be made by you. You shall be responsible for all results arising from your use of identity elements (including but not limited to signing various agreements, publishing information, paying for goods and services, and disclosing information). Risks and losses caused by your account, password, and other information being misused, stolen, or illegally used due to your reasons shall be borne by you;
5.2 When using HotTrain services, please carefully fill in and verify your email address and other information to ensure it is true, accurate, complete, and valid;
5.3 Please consider your actual needs, fully consider training plans and other information, confirm and choose to use HotTrain services;
5.4 You acknowledge and agree that if you suffer economic losses and consequences due to your own input errors, improper operations, wrong choices, etc., you shall bear them yourself.
5.5 When using cloud backup and sync functions, you need to ensure that the network connection is normal. We are not responsible for data sync failures caused by network problems.

6. Disclaimer

We provide services based on the internet and telecommunications networks. Before using HotTrain services, you should have a certain understanding of the risks that may be inherent in mobile internet business.
Due to network failures, system maintenance, unstable system, hacker attacks, power department technical adjustments or failures, cloud service providers, etc., resulting in HotTrain service failure, interruption or delay, we are not in breach of contract, but we will make every effort to restore normal service.
We provide services as a technology service platform on an "as is" basis. Within the scope permitted by law, we are not responsible for service interruptions, delays or obstructions caused by the following circumstances:
（1） Damage caused by computer viruses, trojans or other malicious programs, or hacker attacks;
（2） Failures in your or third-party device software, systems, hardware, networks, and communication lines;
（3） Your improper operation, including but not limited to submitting incorrect information or device errors;
（4） Other circumstances beyond our control or reasonably foreseeable.
6.1 Maximum Liability Limit: To the extent permitted by law, our liability for compensation to you shall be limited to the service fees you paid to us in the 12 months prior to the dispute.

7. Medical Disclaimer

⚠️ Important Notice: HotTrain is only a fitness training recording tool and does not provide any medical diagnosis, treatment, or health advice.
You understand and agree that:
（1） All functions provided by HotTrain are for fitness training recording and management purposes only and do not constitute any medical advice;
（2） Training data, body measurement data, etc. are for reference only and are not intended as a basis for medical diagnosis;
（3） If you have any health problems, please consult a professional medical institution or doctor;
（4） We are not responsible for any health problems arising from reliance on HotTrain data.

8. User Prohibited Conduct

You must comply with laws and regulations when using this software, and must not use the services provided by this software to engage in illegal and irregular activities, including but not limited to:
（1） Publishing, transmitting, spreading, or storing content that endangers national security and unity, disrupts social stability, violates public order and good morals, insults, slanders, is obscene, violent, or violates any national laws and regulations;
（2） Publishing, transmitting, spreading, or storing content that infringes on others' intellectual property rights, trade secrets, and other legitimate rights;
（3） Maliciously fabricating facts or concealing the truth to mislead or deceive others;
（4） Publishing, transmitting, or spreading advertising information and spam;
（5） Using this software to engage in any behavior that endangers computer network security;
（6） Other behaviors prohibited by laws and regulations.
If any third party suffers damage due to your violation of this agreement, you shall bear the responsibility independently; if we suffer losses as a result, you shall also compensate accordingly.

9. Intellectual Property Rights

9.1 The HotTrain software, technology, trademarks, logos, interface design, layout framework, related data, additional programs, accompanying printed materials, electronic documents, and related materials are all owned by us and protected by Chinese law and international copyright conventions.
9.2 Without our written permission, you may not reproduce, distribute, display, translate, compile, decompile, reverse engineer, rent, lend, modify, link, create derivative works, or otherwise use any of the above content in any form.
9.3 The intellectual property rights of training plans, training data, and other content created by you during the use of HotTrain belong to you. You authorize us to use the above content within the scope necessary for providing services.

10. Privacy Protection

We attach great importance to your personal information and privacy protection, and will provide corresponding security protection measures for your personal information in accordance with legal requirements and mature industry security standards. For details, please refer to the "Statement on HotTrain and Privacy".
10.1 Information we collect includes:
Account information (email address)
Training data (training duration, training day completion rate, training plans, movement history, etc.)
Body measurement data (weight, body fat percentage, etc.)
Device information (for cloud backup and sync)
10.2 Your rights:
You can view, copy, correct, and delete your personal information at any time
You can cancel your account through "Personal Center" -> "Cloud Archive Management" -> "Account Credentials and Management" -> "Delete Account"
After canceling your account, we will stop providing services and delete your personal information (except as otherwise provided by laws and regulations)
10.3 Information storage:
Your information will be transmitted and stored on servers in China
We promise to keep your information for the shortest time necessary to achieve the processing purpose (except as otherwise provided by laws and regulations)

11. Data Backup Responsibility

11.1 You understand and agree that:
You should back up important training data and personal information yourself
We provide cloud backup functions but do not guarantee that data will not be lost
We are not responsible for data loss caused by force majeure, third-party service failures, your reasons, etc.
11.2 Cloud backup function description:
Cloud backup is a premium version feature that requires subscription purchase
Cloud backup relies on third-party cloud service providers, and we are not responsible for cloud service provider failures
You can view cloud backup status in the App, and please contact us promptly if there are abnormalities
11.3 Data recovery:
After reinstalling the App or changing devices, you can restore backed-up data by logging into your account
If data recovery fails, we will do our best to assist, but we cannot guarantee successful recovery

12. Service Termination

12.1 You can cancel your account at any time to stop using the service. After canceling your account:
You will no longer be able to use HotTrain services
Your personal data will be deleted (except as otherwise provided by laws and regulations)
Purchased subscriptions will not be automatically refunded
12.2 We have the right to suspend or terminate your service in the following circumstances:
（1） You violate this Agreement;
（2） You engage in illegal, irregular, or improper behavior;
（3） You use HotTrain to engage in activities that endanger national security or social public interests;
（4） Laws and regulations require or government agencies request;
（5） Other circumstances where we reasonably believe the service should be terminated.
12.3 Handling after service termination:
After service termination, you should immediately stop using HotTrain
Service termination does not affect the rights and obligations that have arisen between both parties before termination
We have the right to delete relevant data after terminating the account

13. In-App Purchases and Auto-Renewable Subscriptions

13.1 Service Types
HotTrain provides two versions of the service: the Free version and the Premium version:
Free version: provides access to basic workout recording and related functions;
Premium version: provides access to cloud backup and synchronization and other advanced features. Premium features require an in-app purchase.
HotTrain may offer auto-renewable subscriptions with different subscription periods, such as monthly and yearly subscriptions, as well as one-time purchases that provide permanent access to applicable features. The specific products available for purchase, subscription periods, prices, and promotional offers are subject to the information displayed in the HotTrain App and on the Apple App Store at the time of purchase.
13.2 Payment and Purchases
HotTrain's in-app purchase services are provided through the Apple App Store. Payment, billing, and transaction processing are handled by Apple. We do not directly access or store your complete payment information.
When you purchase HotTrain Premium, the purchase will be completed through the Apple Account associated with your device. After a successful purchase, the applicable Premium benefits will be provided in accordance with Apple's rules and HotTrain's applicable service rules.
13.3 Auto-Renewable Subscriptions
For auto-renewable subscription products, your subscription will automatically renew at the end of each subscription period unless you cancel the automatic renewal at least 24 hours before the end of the current subscription period.
The subscription fee will be charged to your Apple Account at the beginning of each subscription period at the applicable price displayed at the time of purchase and on the Apple App Store. The applicable price, subscription period, taxes, and regional pricing are subject to the information displayed by the Apple App Store at the time of purchase.
If you purchase a free trial or other introductory offer, your subscription will automatically renew and you will be charged the applicable standard price displayed at the time of purchase after the trial or promotional period ends, unless you cancel the subscription in accordance with Apple's applicable procedures before the trial or promotional period ends.
13.4 Free Trials and Subscription Offers
HotTrain may provide free trials, introductory offers, or other subscription promotions to eligible users from time to time.
The specific offer, duration, eligibility requirements, and price applicable after the promotional period are subject to the information displayed in the HotTrain App and on the Apple App Store at the time of purchase.
Eligibility for a particular offer is determined by Apple in accordance with its applicable rules. Your previous use of an introductory offer may affect your eligibility for future offers.
13.5 Subscription Management and Cancellation
You can view, manage, or cancel your HotTrain auto-renewable subscription through the subscription management settings associated with your Apple Account.
If you do not want your subscription to renew automatically, you should cancel the automatic renewal at least 24 hours before the end of the current subscription period. After cancellation of automatic renewal, you may continue to use the Premium benefits until the end of the subscription period that you have already paid for.
The specific subscription management and cancellation procedures are subject to Apple's applicable rules and the instructions displayed by the Apple App Store.
13.6 Restore Purchases
If you have previously purchased an applicable non-consumable product or subscription service from HotTrain using the same Apple Account, you may be able to restore the applicable purchase benefits through the "Restore Purchases" function provided by HotTrain, subject to Apple's applicable rules.
Restoring purchases does not create a new purchase or result in an additional charge.
13.7 Refunds
HotTrain's in-app purchases are processed through the Apple App Store. Because the relevant transactions are processed by Apple, we cannot directly process refunds on Apple's behalf.
If you wish to request a refund, you should submit the request through Apple's applicable refund process. Whether a refund is approved and the amount of any refund are determined by Apple in accordance with its applicable rules.
If Apple confirms that a transaction has been refunded, HotTrain may adjust or terminate the corresponding Premium benefits based on the transaction and subscription status provided by Apple.
13.8 Subscription Prices and Price Changes
HotTrain subscription prices may vary depending on the subscription product, subscription period, the user's country or region, applicable taxes, and Apple's App Store pricing rules.
The actual subscription price will be displayed to you in the HotTrain App and on the Apple App Store before you complete the purchase.
If the subscription price changes, Apple may notify you in accordance with its applicable rules and may require your consent to the new subscription price where applicable. The specific procedures are subject to Apple's applicable rules and notifications.
13.9 Termination of Subscription Benefits
If you cancel automatic renewal, your Premium benefits will generally not terminate immediately and will remain available until the end of the subscription period that you have already paid for.
If a refund, transaction reversal, subscription expiration, change in Apple Account status, or other event causes a transaction or subscription to become invalid, HotTrain may adjust the corresponding Premium benefits based on the transaction and subscription status provided by Apple.
The applicable Premium entitlement status will be determined based on the records and status provided by Apple and recorded by HotTrain.

14. Revision of This Agreement

We have the right to modify the terms of this Agreement when necessary. You can view the relevant agreement terms in the latest version of this software.
Once the updated agreement terms are published, they replace the original agreement terms. We will promptly publish changes to this Agreement on the service page. If the revision of this Agreement will seriously affect you or seriously limit your access to or use of this service, we will notify you within a reasonable time before the change. For revisions made to meet security, legal, or regulatory requirements, we may not be able to meet the above-mentioned advance notice time requirements, but we will notify you as soon as possible.
After the terms of this Agreement are changed, if you do not accept the revised agreement, please immediately stop using this service; if you continue to access or use this service, you are deemed to have accepted the revised agreement.

15. Applicable Law and Jurisdiction

The conclusion, execution, interpretation, and dispute resolution of this Agreement shall be governed by the laws of the People's Republic of China.
You agree that this Agreement is signed in the People's Republic of China.
In the event of disputes during the performance of the contract, both parties shall negotiate to resolve them; if negotiation fails, both parties shall resolve the dispute through litigation in the people's court with jurisdiction over the place where the agreement was signed.

16. Contact Us

If you have any questions about this Agreement, please contact us through the following methods:
We will respond to your questions as soon as possible.
If you are not satisfied with our response, especially when personal information processing behavior damages your legitimate rights and interests, you can also resolve the issue through external channels such as filing a lawsuit in a people's court with jurisdiction, complaining to industry self-regulatory associations or government-related management agencies. You can also ask us about the applicable complaint channels.
Effective Date: August 5, 2026