OpenFlat Service Purchase Notice

Welcome to OpenFlat!

You are welcome to use the OpenFlat Online Interactive Classroom Technical Services (the "Technical Services") provided by the operator of web.openflat.tech (the "Service Provider"). For purposes of this Notice, "you" means the recipient of the Technical Services, including you and any entity you represent. If your account is not bound to a specific entity, "you" refers to you personally. Before using the Technical Services, please carefully read and fully understand this OpenFlat Service Purchase Notice (this "Notice") and decide whether to accept it.

If your account is bound to a specific institution (school), you will agree to this Notice on behalf of that entity. If you have not obtained authorization, please bind the entity under an authorized account before reading and agreeing to this Notice. If your account is not bound to any entity, this Notice is entered into between the Service Provider and you personally.

[Important Notice]

Please read and fully understand all terms, especially those limiting or exempting liability, which will be highlighted in bold or other prominent forms.

By completing the registration process as prompted on the OpenFlat account registration page and clicking the checkbox stating "I have read and agree to the OpenFlat Rules of Use," you (and any entity you represent) acknowledge that you have fully read, understood, and accepted this Notice and the rules governing the Technical Services. This Notice will be legally binding. You shall not claim that this Notice is invalid or request revocation on the grounds that you did not read it or did not receive further explanations, and you shall not raise any defense based on not reading or not agreeing to this Notice. If you do not agree to any part of this Notice or cannot accept the service content or service model, you should stop the registration process or discontinue use of the Technical Services immediately. If you are under 18, please read this Notice in the presence of a legal guardian and have your guardian sign on your behalf. Without a guardian's consent, the Service Provider will be unable to open access to the Technical Services for you.

I. Definitions

Room Owner means the user who creates an online classroom room. The Room Owner has administrative permissions for the room and is responsible for activities within the room.
End User means a user who is invited by the Room Owner or who applies to join the room, including teachers, students, and other participants (the "End User").
Session means a complete online class session on the OpenFlat platform. A session will be deemed valid when all of the following conditions are continuously met:
- At least 2 users are online at the same time
- At least 1 of them is a teacher or the Room Owner
- The conditions above are met continuously for 10 minutes or longer
Once the conditions are met, the session will be counted as a valid session and deducted from your monthly quota.
Plan means a subscription tier offered by the Service Provider (e.g., Basic, Professional). Each plan includes specific entitlements such as session quota, capacity limits, and duration limits.

II. Use and Support of the Services

2.1 Service Scope

After paying the service fees, you are entitled to the following OpenFlat Online Interactive Classroom Technical Services:

Real-time audio and video interaction: HD audio/video calls with up to 16 concurrent participants (up to 32 for the Professional plan)
Interactive whiteboard: multi-user collaborative drawing, text input, and graphic tools
Courseware presentation: support for PPT, PDF, Word, and other formats
Screen sharing: screen sharing for teachers or designated users
Real-time chat: text messages and emoji
Class recording: cloud recording for replay
Raise hand interaction: students can request to speak; teachers manage speaking permissions
Room management: create, schedule, and join rooms

2.2 Software Access

The Service Provider only distributes official applications through the official website (web.openflat.tech). Please access the appropriate version for your device and system to ensure proper use. If you obtain the software from an unauthorized third party or a program with the same name, the Service Provider cannot guarantee security or proper use and is not responsible for any resulting losses.

2.3 Renewal and Service Adjustments

The Service Provider reserves the right to charge fees for related services in the future. Before your service fees are consumed, the Service Provider may remind you to renew. You may choose whether to renew and continue using the services. If you continue using them, you must pay according to the pricing standards published by the Service Provider.
The Service Provider may adjust the details of service entitlements, product names, pricing standards, or methods (collectively, the "Service Details"), including changes, cancellations, reductions, or additions. The Service Provider will notify you in advance on the service page or through other reasonable means. If you disagree with the adjustments, you may stop using the relevant services. Continued use will be deemed acceptance of the adjusted Service Details, and you shall pay the fees accordingly.

2.4 Account Usage Rules

When registering or using this service, you must provide necessary and accurate information (e.g., mobile number). If the information you provide is incomplete, inaccurate, irregular, or unlawful, you may be unable to use the service properly.
You should actively manage the association between your mobile number and account. If your registration information changes (e.g., mobile number), you must update it promptly.
This software and service are for your own use only. Without the Service Provider's consent, you may not lend it to any third party, use a third party's account, impersonate others, register on behalf of others without authorization, register in a misleading manner, or register for unlawful purposes or to harm third parties.
If your account is involved in fraud, false registration, or other suspicious activities, the Service Provider has the right to re-verify the account and take measures such as requiring correction within a time limit, restricting functions, suspending use, or closing the account.
Please keep your account and password secure and do not sell, rent, or lend your service account.

2.5 Compliance Obligations

In addition to complying with applicable laws and regulations, you must use the products and services in accordance with other agreements between the parties, including the OpenFlat User Agreement and OpenFlat Privacy Policy as displayed on the product interface. You may not use the products or services to violate laws, public order, or good morals, or to infringe the lawful rights of any third party. Otherwise, the Service Provider may delete illegal or infringing content, suspend or terminate accounts, and terminate services. You shall bear legal liability for such violations and compensate the Service Provider for any economic or reputational loss.
If content you create, store, publish, distribute, or use violates the Constitution or laws, or violates public order and good morals, or infringes third-party rights and is complained about, the Service Provider has the right to delete such content, disable part or all functions of the account, or terminate services unconditionally while seeking appropriate compensation.
If you or your End Users violate the obligations above, the Service Provider may retain relevant data as records and provide it to administrative or judicial authorities in accordance with law.

2.6 Software Updates

The Service Provider may continuously update and optimize the software and services. You acknowledge and agree that the form and content of the products may be updated. You can obtain the latest version and policies through the Service Provider's website.

2.7 Third-Party Products

If you use third-party products or services together with the Service Provider's products or services, the Service Provider is only responsible for the products and services under this Notice. The Service Provider may provide reasonable suggestions or assistance based on its experience, but such advice does not constitute any obligation or commitment under this Notice.

2.8 Marketing Notices

You understand and agree that the Service Provider may send recommendations, benefits, and promotional information via email, in-app messages, SMS, website notices, or other means. You can disable such messages manually.

III. Plans and Quotas

3.1 Plan Types

OpenFlat currently offers the following plan types:

Basic Plan

Monthly session quota: 10 sessions
Maximum duration per session: 120 minutes
Peak room capacity: 16 participants
Minimum valid session participants: 2 (including at least 1 teacher)
Valid session duration threshold: 10 minutes
Billing cycle: monthly or annual (annual billed at the price of 11 months)
Monthly price: CNY 40/month (approx. USD 5.60 at 0.14)
Annual price: CNY 440/year (equivalent to 11 months of monthly price) (approx. USD 61.60 at 0.14)

Professional Plan

Monthly session quota: 30 sessions
Maximum duration per session: 120 minutes
Peak room capacity: 32 participants
Minimum valid session participants: 2 (including at least 1 teacher)
Valid session duration threshold: 10 minutes
Billing cycle: monthly or annual (annual billing at the price of 11 months)
Monthly price: CNY 120/month (approx. USD 16.80 at 0.14)
Annual price: CNY 1320/year (equivalent to 11 months of monthly price) (approx. USD 184.80 at 0.14)

Custom Plan

Monthly session quota: customized
Duration and capacity limits: customized
Additional services: customized features available
Billing cycle: to be agreed
Price: Quoted on request (priced in CNY; USD calculated at 0.14)

3.2 Session Calculation Rules

Valid session criteria: A room will be counted as a valid session when all of the following conditions are met:
- Concurrent participants reach or exceed 2
- At least 1 participant is a teacher or the Room Owner
- The conditions above are continuously met for at least 10 minutes
Deduction timing: When the session reaches the 10-minute valid threshold, the system will automatically deduct 1 session from your monthly quota.
No carryover: Unused session quotas do not roll over to the next billing cycle.
Overage handling:
- When your monthly quota is exhausted, an ongoing class may continue until its natural end (not exceeding 120 minutes)
- After the class ends, you cannot start a new class until the next billing cycle begins or you complete renewal

3.3 Duration Limits

The maximum duration per session is 120 minutes (2 hours), counted from the point when the valid session threshold (10 minutes) is reached.
When a session reaches 2 hours:
- The system will send a reminder 10 minutes in advance
- At 2 hours, the system will send a "class ending soon" notice
- A 5-minute countdown begins to allow orderly exit
- At the end of the 5-minute countdown, the room will close automatically

3.4 Capacity Limits

Peak capacity varies by plan (Basic: 16 participants; Professional: 32 participants)
When the room is about to reach capacity, new users will be unable to join
Peak participant statistics: The system records the highest concurrent participant count during a class for operational analytics and service quality evaluation

3.5 Reminder Mechanism

The system will send reminders at the following times:

Approaching valid session threshold: a reminder near the 10-minute mark (about 1 minute before deduction)
Approaching duration limit: a reminder at 110 minutes
Reaching duration limit: a notice at 120 minutes, followed by a 5-minute countdown
Quota nearly exhausted: a renewal reminder when remaining sessions are fewer than 3

IV. Fees and Payment

4.1 Payment Methods

Before purchasing, you should carefully verify your OpenFlat account information, service content, price, and service term, and pay through the Service Provider's designated payment methods.
Currently supported payment methods include:
- Alipay (QR code payment / web payment)
- PayPal (international payment)
- Other payment methods (if applicable)
If you use a third-party payment channel, you should read and understand its payment rules (including invoicing rules) in advance.

4.2 Service Nature

You understand and acknowledge that this service is a digital/virtual product. The fees you pay are for the service purchased, and do not constitute a prepayment, deposit, down payment, or stored value. The service takes effect immediately upon payment.

4.3 Refund Policy

If you request a refund, the following rules apply:

Unused services (no valid sessions): a full refund may be requested within 7 days of purchase
Services already used: no refunds, but the remaining value may be transferred to a new billing cycle
If the service cannot be used due to the Service Provider's fault: full refund
Any third-party fees or charges collected by payment channels (e.g., Apple, Alipay, PayPal) are charged by the third party and are not refundable.

To request a refund, please contact support@openflat.tech.

4.4 Invoicing

For your purchase of this service, the Service Provider will issue a compliant invoice of the corresponding amount in accordance with tax laws. You understand and agree that you must provide invoicing details, supporting documents, and complete real-name verification as instructed (subject to the operation guidelines).

V. Service Term

5.1 Service Term

The service term is based on the term you select and successfully pay for. You can also check it on the service page. The term will not be extended due to non-use or other reasons. If the service expires without renewal, we will stop providing the service.
If you enable auto-renew and renewal is successful before expiration, the term will be extended from the original expiration date.

5.2 Auto-Renewal

You may stop auto-renewal at any time before the end of the current billing cycle by following the applicable rules.
The Service Provider may also discontinue auto-renewal services based on operational strategies. The service term will end upon expiration of the current billing cycle.

5.3 Service Changes

The service term (including plans, auto-renewal plans, and add-on paid services) may be adjusted based on OpenFlat's operational status. The Service Provider will notify you in advance on the service page or by other reasonable means so you can switch plans or use the service before expiration.

VI. Data Management and Privacy

6.1 Data Ownership

You retain intellectual property rights to the materials, whiteboard content, recordings, and other data you upload or create while using OpenFlat.
The Service Provider acts only as a technical service provider for data storage and transmission.

6.2 Data Protection

The Service Provider will take reasonable technical and administrative measures to protect your data security.
If you stop using the service or your service is terminated due to violation of laws, this Notice, or other OpenFlat agreements, the Service Provider has the right to delete your data and will no longer retain it. You should back up your data before termination.

6.3 Privacy Protection

The Service Provider values user privacy. The OpenFlat Privacy Policy applies accordingly.
For personal information collected and processed by the Service Provider on your behalf for providing the Technical Services, if End Users request to exercise their personal information rights (e.g., access, correction, deletion), you agree that the Service Provider may respond directly to such requests in accordance with applicable laws without requiring your further consent.

VII. Force Majeure and Disclaimers

7.1 Force Majeure

Force majeure events beyond the Service Provider's reasonable control, including but not limited to natural disasters (e.g., floods, earthquakes, epidemics, storms) and social events (e.g., war, unrest, government actions, communication line failures, third-party service defects), may result in service interruptions, data loss, or other risks and losses. You agree that such losses shall not be deemed a breach by the Service Provider. After force majeure events occur, the Service Provider will endeavor to coordinate with relevant parties and take timely remedial measures to reduce the impact on the Technical Services.

7.2 Service Disclaimers

You understand that due to the nature of Internet services, circumstances not caused by the Service Provider's intentional acts may affect your normal use (including troubleshooting, server maintenance, adjustments, upgrades, or third-party infringement handling). The Service Provider will endeavor to minimize the impact. You agree that the Service Provider is not liable for any adverse consequences and is not required to provide additional compensation.

You agree that the following causes of partial service unavailability do not constitute a breach by the Service Provider:

Your refusal to cooperate after a fault occurs and cooperation is required;
System maintenance performed after the Service Provider provides 24-hour prior notice, including maintenance, upgrades, and simulated fault drills, provided the Service Provider minimizes the impact;
Network or equipment failures or configuration changes outside the Technical Services;
Malicious attacks on applications or data, including hackers, viruses, trojans, or other malware;
Data, credentials, or passwords lost or leaked due to your failure to safeguard them;
Force majeure or unforeseen events;
Compulsory administrative or judicial actions by the government;
Other unavailability caused by reasons not attributable to the Service Provider.

VIII. Service Notices

8.1 Notice Methods

The Service Provider may announce or deliver rules, notices, prompts, and other information ("Notices") through one or more methods, including but not limited to website announcements, emails, SMS, delivery to a correspondence address, or postal mail. You agree and confirm that any such Notice is deemed received when announced or delivered by any of the above methods, at the effective time stated therein. You agree and understand that Notices under this Notice are deemed delivered on the date sent.

8.2 Maintenance of Contact Information

If your email address, phone number, or mailing address changes or is incorrect, you should notify the Service Provider in writing promptly. If you fail to provide correct contact information or timely updates and thereby cannot receive notices, you will bear any resulting losses or legal consequences. If you opt out of or block notices, you may not receive them and will bear the resulting risks.

IX. Suggestions, Feedback, and Complaints

9.1 Suggestions and Feedback

If you have suggestions or questions about the Service Provider's products, you may contact us via:

Website feedback: web.openflat.tech/feedback
Email: support@openflat.tech

9.2 Complaints and Reporting

If you discover prohibited content or copyright infringement and need to file a complaint or report, please email report@openflat.tech. Please note:

When filing a complaint or report, you must provide the room ID, screenshots, time of infringement, ownership evidence, and other necessary materials. The Service Provider will handle your complaint in accordance with law and policy. If content you published is reported, you may also submit proof of rights to appeal and request restoration of related functions or re-upload of content.
The Service Provider relies on your evidence to verify and respond. Please ensure the evidence is authentic, lawful, and relevant. If you submit unlawful or false materials that cause loss to the reported party or the Service Provider, you will be liable for damages.
Because of the real-time nature of the service, if the infringing content or link is posted on a third-party platform, we recommend you also submit a complaint through that platform.

X. Liability for Breach

10.1 Breach Behaviors

During your use of this service, the following behaviors will be deemed a breach:

Violation of this Notice;
Violation of laws, regulations, rules, or any legally binding norms;
Disrupting or affecting the Service Provider's provision of services to any third party;
Engaging in acts that endanger network security;
Causing adverse impact on the Service Provider, affiliates, partners, or other users, or infringing their legitimate rights or interests;
Being determined by authorities to have infringed any third party's lawful rights;
Obtaining unlawful benefits through the service, including but not limited to resale, transfer, or sublicensing for improper profit;
Other acts that infringe the Service Provider's lawful interests.

10.2 Handling of Breach

Upon discovering a breach, the Service Provider may take one or more of the following measures (the duration of each measure will be determined based on the severity of the breach):

Delete, block, or disconnect relevant information through technical means;
Issue warnings, require correction within a time limit, restrict or prohibit the use of some or all functions, freeze accounts, close accounts, or prohibit re-registration;
Prohibit publishing, delete or block relevant content, or disconnect links;
Issue public announcements regarding the handling results of violations or breaches;
If the service is suspended or terminated due to your breach, the Service Provider will not refund any fees. Any losses in your account (including reduction or loss of session quotas) will be borne by you, and you shall compensate the Service Provider for any losses (including legal fees and litigation costs);
Other reasonable and lawful measures.

XI. Intellectual Property

11.1 Software IP

OpenFlat software and all related intellectual property rights belong to the Service Provider. Portions based on the Agora Flat open-source project follow the MIT License.

11.2 User Content Ownership

You own the intellectual property rights to content you create or upload while using OpenFlat (including courseware, whiteboard content, recordings, etc.). You grant the Service Provider the right to use such content as necessary to provide the service (including storage, transmission, and display).

11.3 Trademark Use

You may not use OpenFlat's trademarks, logos, names, or other intellectual property without the Service Provider's written consent.

XII. Governing Law and Dispute Resolution

12.1 Governing Law

The formation, execution, and interpretation of this Notice, as well as dispute resolution, shall be governed by the laws of the People's Republic of China (excluding Hong Kong, Macau, and Taiwan).

12.2 Dispute Resolution

This Notice is signed in "[Your registered company address, e.g., Haidian District, Beijing]". Any dispute arising from or related to this Notice shall be resolved through friendly consultation. If consultation fails, either party may submit the dispute to the competent people's court at the place of signing.

XIII. Miscellaneous

13.1 Effectiveness

By proceeding to accept the service, using, or continuing to use the service, you acknowledge that you have read and agreed to be bound by this Notice and any revised terms.

13.2 Interpretation

Headings are for convenience only and do not affect the interpretation of this Notice.

13.3 Severability

If any provision of this Notice is invalid or unenforceable for any reason, the remaining provisions remain valid and binding on both parties.

13.4 Amendments

The Service Provider may amend this Notice as needed for business development. The revised Notice will be published on the website and will take effect on the publication date. If you disagree with the revised Notice, you should stop using the service; continued use indicates acceptance.

13.5 Contact Information

If you have any questions about this Notice or need to contact us, please reach us at:

Website: web.openflat.tech
Legal: legal@openflat.tech
Support: support@openflat.tech
Complaints: report@openflat.tech

The Service Provider reserves the right of final interpretation of this Notice.