Welcome to Offer Bull! Offer Bull ("the Platform") is created, maintained, and owned by Variable Definition (Shenzhen) Technology Co., Ltd. ("we" or "us"). This document constitutes the legally binding service agreement ("Agreement") governing your use of all features and services of Offer Bull. In this Agreement, "user" or "you" refers to the individual or entity using Offer Bull.
By accessing or using Offer Bull in any manner, you acknowledge that you accept all terms of this Agreement electronically and agree to be bound by it. If you are using the Platform on behalf of a legal entity or other organization, you must ensure that you are authorized to enter into this Agreement on its behalf. If you or your legal guardian do not agree with any terms of this Agreement, please cease using Offer Bull immediately. Minors must obtain permission from their legal guardians before using the Platform; otherwise, all resulting consequences shall be borne by the minors and their guardians.
We strongly recommend that you carefully read every clause of this Agreement before starting to use Offer Bull, especially key provisions presented in bold. Refusal to accept any term will prevent you from fully experiencing the services offered by the Platform. When you choose to accept this Agreement, or when you substantially use the Platform by registering, logging in, etc., you are deemed to have fully understood and accepted the binding effect of this Agreement.
If you have any questions about this Agreement, please contact us via the feedback channel or by email at mianshinn@foxmail.com.
1.1 Offer Bull provides professional services powered by advanced generative AI, including but not limited to interview question generation, mock interview training, and interview coaching. Unless expressly excluded by this Agreement, all new or upgraded features subsequently introduced by Offer Bull are subject to this Agreement.
1.2 You fully understand and agree that we may, at our sole operational discretion, designate our affiliates, strategic partners, or certified third parties to undertake part or all of the operational responsibilities of Offer Bull.
1.3 You understand that Offer Bull will be continuously optimized and iterated based on user feedback, technological advancements, and regulatory changes. Paid features or versions may be introduced in the future.
1.4 You acknowledge that we make no express or implied warranties regarding the services, products, or inputs/outputs of Offer Bull, including but not limited to warranties of merchantability, fitness for a particular purpose, or non-infringement. We are not liable for any indirect, incidental, or other losses that may result from your use of Offer Bull. We are not responsible for any delays, losses, errors, or other issues that may occur during the transmission or storage of your personal data or preferences.
1.5 Usage Restrictions and Statement: Offer Bull is intended solely for personal learning, practice, and review prior to interviews. It does not provide, support, or encourage any form of real-time interview copilot, answer substitution, or proctoring evasion. You must not use the Platform or its generated content in real interviews, written tests, online assessments, machine exams, online coding/algorithm tests, standardized exams, or any scenarios requiring independent completion. You must not assist others in any of the aforementioned improper activities. If you violate this clause or other boundary restrictions under this Agreement, we may take measures as outlined in Article 6.
2.1 You can currently complete registration and login to Offer Bull using your mobile phone number.
2.2 If you choose to register or log in with a mobile phone number, to meet real-name requirements under applicable regulations, ensure secure and convenient access to all features, and prevent unauthorized access, you must provide a genuine mobile phone number that has completed real-name verification.
2.3 You confirm that when completing registration and using Offer Bull, you have reached the age of full civil capacity under applicable laws. If not, please evaluate the use of the Platform with your legal guardian; otherwise, you will bear all related responsibilities.
2.4 You must ensure that all information submitted during your use of Offer Bull—including but not limited to identity information and other related materials—is true, accurate, complete, and up to date. During use, you must comply with applicable laws and regulations and refrain from any actions that harm national interests or infringe the legitimate rights and interests of us or any third party. If we discover potential risks, we reserve the right to review your account information and, depending on the circumstances, suspend, delay, discontinue, or terminate part or all services.
2.5 You are fully responsible for all operations and activities conducted through your account, including any legal consequences resulting from account theft or loss. If you discover unauthorized use of your account or any security vulnerability, please notify us immediately. Otherwise, you will bear all liabilities for infringement or other illegal activities, and all losses arising from disputes, litigation, or arbitration.
2.6 Your account is for your personal use only. Without our written permission, you may not purchase, transfer, lend, lease, sell, or otherwise allow others to use your account in any form (whether for consideration or not). Violation of this rule will result in your sole responsibility for all consequences of infringement or illegal acts, and all losses arising from disputes, litigation, or arbitration. If we discover or have reasonable grounds to suspect such behavior, we may immediately take measures, including suspending, delaying, stopping, or terminating part or all services.
2.7 We will take reasonable technical measures to safeguard your account security. However, you understand that we can only provide industry-standard security based on existing technical conditions, and we are not responsible for illegal use of your account and password caused by hacking or your own improper safekeeping.
(1) You can find the account deletion entry in the "Me" section of the app and follow the instructions to complete the deletion process.
(2) Please read all important content of the deletion notice carefully. After confirming that you understand and agree, click the "I have fully read and agree" button, and then submit the deletion request to complete the application.
(3) Upon receipt of your valid deletion request, we will, in accordance with legal requirements and the deletion procedure, process your request within 5 business days and assist in completing account deletion. Before deletion, we may verify your identity, account security status, and device binding.
(4) Please fully recognize that account deletion is irrevocable. Back up all important information in advance. Once deletion is successful, we will immediately cease all related services and delete all information associated with your account (except as otherwise required by law or regulation). Deleted information cannot be restored and any resulting losses shall be borne by you. We assume no liability.
3.1 We grant you a personal, non-transferable, and non-exclusive right to use the Platform. You understand and acknowledge that our authorization to use Offer Bull and related content does not transfer these contents to you; we reserve all rights not expressly granted to you. If you violate this Agreement or use the Platform beyond the scope of authorization, we may immediately terminate the authorization to prevent further harm to us and other users, and you will bear all adverse consequences.
3.2 When you discover any system vulnerabilities or suspicious conditions, you should report them to us immediately and must not attempt to resolve or exploit them on your own.
3.3 You explicitly understand and undertake that all content you input when using Offer Bull must comply with the Provisions on the Governance of the Online Information Content Ecosystem. You must abide by the "Seven Bottom Lines," including laws and regulations, the socialist system, national interests, citizens’ legitimate rights and interests, public order, social morality, and information authenticity, and refrain from publishing illegal or harmful content. If we detect suspected violations or receive notices from rights holders or related parties, we may immediately remove the suspected content. You shall bear all legal responsibilities for claims by third parties, and if your actions cause losses to us, our affiliates, or partners, you must fully compensate. Prohibited content includes but is not limited to:
(1) Content opposing the fundamental principles established by the Constitution;
(2) Content endangering national security or leaking state secrets;
(3) Content intending to subvert state power, overthrow the socialist system, incite secession, or undermine national unity;
(4) Content damaging national honor and interests;
(5) Content promoting terrorism or extremism;
(6) Content inciting ethnic hatred or discrimination and undermining ethnic unity;
(7) Content inciting regional discrimination or hatred;
(8) Content undermining state religious policies or promoting cults and superstition;
(9) Content fabricating or spreading rumors to disrupt economic order and social stability;
(10) Content disseminating pornography, gambling, violence, or inciting crime;
(11) Content infringing minors’ lawful rights or harming their mental health;
(12) Content insulting or slandering others or infringing their lawful rights;
(13) Content intimidating or threatening others or doxxing;
(14) Content infringing on others’ privacy or disclosing personal information;
(15) Content using obscene language or disrupting public order and morals;
(16) Other content prohibited by laws and regulations.
3.4 You agree to install and use Offer Bull only on legally obtained hardware and/or operating systems officially released by vendors, and such operating systems must be vendor-supported official releases. If you use the Platform on pirated hardware, cracked systems, or preview/beta/developer versions that are not official releases, you bear all risks and consequences.
To ensure compliance and fairness, Offer Bull is intended solely for personal learning, practice, and review before interviews. You must not use the Platform or its generated content in any monitored or independently completed real assessment or interview scenarios. Except where necessary for functionality or required by laws and regulations, do not upload confidential, sensitive, or others’ personal information. For more on personal information processing, please refer to the Offer Bull Privacy Policy.
To maintain fair order and compliance, you agree not to use, call, copy, or leverage the Platform or its generated content in any of the following real or monitored evaluation scenarios:
4.1 We and relevant rights holders own the intellectual property of the content provided by Offer Bull. All copyrights, trademarks, patents, trade secrets, and other intellectual property rights of the Platform, as well as all related content (including but not limited to text, images, audio, video, charts, interface designs, layout frameworks, data, and electronic documents), are protected by applicable laws and regulations.
4.2 You confirm and warrant that all content you submit when using Offer Bull does not infringe any third party’s intellectual property rights, portrait rights, reputation, honor, name rights, privacy rights, personal information rights, or other legitimate rights and interests, and does not involve state secrets, trade secrets, sensitive data, or information that may endanger national security or public interests. You shall bear all liabilities arising therefrom and compensate us for all losses, including but not limited to property losses, reputational damage, litigation costs, and attorneys’ fees.
4.3 You acknowledge and agree that, within the scope permitted by law and to achieve the purposes of Platform functionality, we may perform necessary processing of content you submit or generate and/or system-generated outputs, including but not limited to storage, reproduction, distribution, dissemination, display, editing, analysis, and extraction.
4.4 Except as expressly provided in this Agreement, technical and business secrets and other confidential information of either party obtained during the use of the Platform shall be kept strictly confidential during the term of this Agreement and after its termination, except where disclosure is required by laws and regulations or by judicial, administrative, or other competent authorities.
5.1 Protecting your personal information is both a legal requirement and our core value. To provide you with high-quality services, we will process your data as necessary and may share specific information with authorized partners. We undertake to collect, process, use, and transmit your personal information strictly in accordance with applicable laws, this Agreement, and the Offer Bull Privacy Policy.
6.1 You clearly understand that if you violate prohibitions under laws and regulations, infringe others’ legitimate rights or public interests, we may delete relevant content in accordance with law or this Agreement, and even terminate your account access. If such actions cause losses to us, you shall bear full compensation, including but not limited to economic losses, business reputation damage, legal rights protection costs, and attorneys’ fees.
6.2 You acknowledge that under any circumstances, the total amount of liquidated damages and compensation we bear will not exceed the total fees you have paid to us in the month when the loss occurred (if any). We are not liable for any indirect, punitive, special, consequential, or derivative losses (such as loss of business expectations, revenue, profit, data, goodwill, or other economic interests), even if we have been advised of the possibility of such losses.
7.1 You fully understand that any content downloaded or obtained through Offer Bull is at your own discretion and risk, and you bear full responsibility for any damage to your system or data loss resulting from downloading such content.
7.2 Any advice or information you obtain from the Platform, whether written or oral, does not constitute any warranty or commitment other than those expressly stipulated in this Agreement.
7.3 Offer Bull may contain links to third-party websites that you may choose to access at your discretion. Note that, although we strive to provide accurate content, we are not responsible for the legality, completeness, accuracy, or reliability of any information, data, opinions, images, videos, or other content linked to third-party websites, nor do we provide any form of guarantee for them.
7.4 You understand and accept that for operational needs, we may adjust, delay, suspend, or terminate part or all services at any time (e.g., for system optimization, updates, or technical integrations), and we are not liable for service interruptions within a reasonable time. Where feasible, we will notify you of service adjustment plans in advance via announcements, and you should cooperate accordingly.
7.5 Given the particularities of computer networks, we may need to briefly interrupt services during server maintenance and configuration. Such situations do not constitute breach by us, and we assume no liability.
7.6 We reserve the right to suspend or terminate services to you at any time without liability to you or any third party under the following circumstances:
(1) You violate applicable laws or this Agreement;
(2) The third-party account provider you use for login terminates its cooperation with us (if applicable);
(3) Force majeure events occur.
7.7 You fully understand that although we make our best efforts to safeguard the data you store on the Platform, absolute security cannot be guaranteed, especially in the following cases:
(1) We have the right to determine each user’s data storage period and capacity limits based on actual operational needs. Please back up important data regularly;
(2) Due to instability of login verification, data synchronization, content browsing, or network fluctuations and bandwidth limitations leading to short-term interruption of paid services, you shall bear the relevant risks;
(3) We are not obligated to back up data. If data within the Platform is lost, you shall bear the corresponding losses;
(4) When you stop using Offer Bull or services are terminated/cancelled, please back up your data promptly. We may permanently delete all your data from our systems. After service termination, we are under no obligation to return any data to you.
7.8 You fully understand that Offer Bull uses generative AI models to process your input. As a neutral technical service provider, the Platform operates by AI systems learning from large amounts of data to generate outputs. Unless otherwise agreed in writing, content generated via the Platform is not edited by humans. AI-generated content may have deficiencies in truthfulness, accuracy, rationality, or completeness. You should independently judge its quality and applicability. Such content is not suitable for commercial purposes and does not represent our stance or opinions. We make no warranties regarding the accuracy, functionality, rationality, completeness, or legality of such content, and we are not responsible for any errors, omissions, or improper statements therein. You bear all risks of using generated content. If use or dissemination of such content leads to infringement or other legal liabilities or losses, you shall bear them yourself.
8.1 To continuously improve user experience, we will innovate and refine services and may modify this Agreement when necessary. You can view the latest Agreement on our official website at any time. If you continue to use Offer Bull after the modified version takes effect, you are deemed to have accepted the changes. If you do not agree with the updated Agreement, you should stop using the Platform immediately and terminate cooperation with us. Any unilateral modifications, changes, or additional terms you make to this Agreement are not legally binding on us.
8.2 In addition to direct modifications to this Agreement, any statements, notices, warnings, and other content we publish through various channels (e.g., website announcements, emails) form an integral part of this Agreement. Your continued use of the Platform indicates that you accept such content.
9.1 You agree and understand that we may terminate this Agreement with 15 days’ written notice to you, without assuming any liability for breach.
9.2 You acknowledge and accept that force majeure (unforeseeable, unavoidable, and insurmountable objective circumstances) may be encountered during your use of the Platform, such as natural disasters (floods, earthquakes, typhoons), government actions, epidemics, wars, strikes, social unrest, large-scale power or network outages, and server failures. In the event of force majeure, we will use best efforts to promptly restore normal services, but within the limits of the law we are exempt from liability for service interruptions, termination, or any losses caused by force majeure.
9.3 The Offer Bull Privacy Policy is an integral part of this Agreement. Please read the relevant clauses, policies, and instructions carefully to understand how to use Offer Bull properly. You must comply with these provisions when using the Platform.
9.4 The formation, validity, interpretation, and dispute resolution of this Agreement shall be governed by the laws and regulations of the People’s Republic of China. Any disputes or claims arising out of or in connection with the use of the Platform shall be submitted to the People’s Court of Chaoyang District, Beijing for litigation, unless otherwise agreed in writing.
9.5 Provisions concerning intellectual property, confidentiality, governing law and jurisdiction, and other clauses that by their nature should survive shall remain in effect notwithstanding the termination of other clauses.
9.6 The copyright of this Agreement is owned by the Offer Bull Studio. We reserve all rights of interpretation and modification.
10.1 Types and Purpose of Paid Services: Offer Bull credits and paid services are digital services used within the Platform to redeem virtual products and value-added features (including but not limited to accelerated generation and online interview time). We may provide multiple service packages. The specific content and pricing are subject to what is displayed on the purchase page.
10.2 Purchase and Payment Channels: You should complete payment through payment channels integrated or authorized by the Platform (including but not limited to PayPal, bank cards, Alipay, WeChat Pay, Apple in-app purchase, and online banking). Different payment channels may have different fees or rules according to their policies. Please refer to each channel’s published information and make your choice accordingly.
10.3 Account and Information Confirmation: You must be the account holder of the bound payment account and legally and effectively use that account. Before purchasing, please carefully confirm the accuracy of transaction information such as your account, payment account, quantity, and amount. Any losses caused by your own reasons (including incorrect account/payment account, improper operation, account/payment account anomalies, etc.) shall be borne by you.
10.4 Digital Goods and Refund Policy: Paid credits and related services of Offer Bull are digital goods for immediate online use. The fees you pay are not deposits, savings, or advances but the price for the purchased digital goods/services. Unless otherwise required by laws and regulations or explicitly stated by the Platform, once the relevant digital goods or services are activated, delivered, or become available for use, refunds are not supported.
10.5 Service Term and Expiration: Different services or packages correspond to different service terms, which are subject to the information displayed on the purchase page. Upon expiration of the service term, the corresponding rights will automatically terminate. Due to the particularity of Internet services, reasonable time required for system maintenance, upgrades, and handling of third-party service exceptions is included within the service term. We will make best efforts to minimize any impact.
10.6 Exceptions and Risks: We are not liable for losses caused by force majeure events (including but not limited to natural disasters, governmental actions, wars, cyberattacks, and virus intrusions) or failures by third-party service providers that are not attributable to the Platform. We will reasonably assist you in mitigating the impact.
10.7 Non-official Channels: For any credits or service entitlements obtained through channels not designated by the Platform, we assume no obligations and/or legal responsibilities.