Terms of Service

1. Acceptance of Terms

By accessing or using Blackstar ("the Service"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the Service.

2. Description of Service

Blackstar is an adaptive learning platform designed to help medical students prepare for USMLE Step 2 CK examinations. The Service provides practice questions, performance analytics, and personalized study recommendations.

3. Account Registration

To use the Service, you must create an account. You agree to:

• Provide accurate and complete registration information
• Maintain the security of your account credentials
• Accept responsibility for all activities under your account
• Notify us immediately of any unauthorized use of your account

4. Subscription and Payment

Blackstar offers a 14 day free trial of Pro features, no credit card required. After the trial period, continued access requires a paid subscription at $40/month.

Blackstar offers subscription-based access to premium features. By subscribing, you agree to:

• Pay all applicable fees as described at the time of purchase
• Automatic renewal of your subscription unless cancelled before the renewal date
• Provide accurate billing information

Refund Policy

We offer a 30-day money-back guarantee on all paid subscriptions. If you are not satisfied with the Service within 30 days of your initial purchase, contact us at [email protected] for a full refund.

• Refund requests must be made within 30 days of the original purchase date
• Refunds are processed to the original payment method within 5 to 10 business days
• Renewal charges are non-refundable after the 30-day period
• You may cancel your subscription at any time through your account settings

5. Intellectual Property

All content on Blackstar, including but not limited to questions, explanations, graphics, logos, and software, is the property of Blackstar or its licensors and is protected by intellectual property laws. You may not copy, modify, distribute, or create derivative works without our express written permission.

6. User Conduct

You agree not to:

• Share your account credentials with others
• Copy, reproduce, or distribute any content from the Service
• Attempt to reverse engineer or extract source code from the Service
• Use the Service for any unlawful purpose
• Interfere with or disrupt the Service or its servers

7. Educational Disclaimer

Blackstar is an educational tool only. The content provided is for study and exam preparation purposes and should not be considered medical advice.

• Do not use this Service to make clinical decisions or treat patients
• Always consult qualified healthcare professionals for medical guidance
• We do not guarantee exam success or specific score improvements

AI Generated Content Notice

The practice questions, explanations, and educational content on Blackstar are generated using artificial intelligence (OpenAI). While we strive for accuracy and quality:

• AI generated content may occasionally contain errors or inaccuracies
• All medical information should be verified with authoritative sources such as textbooks and clinical guidelines
• Our AI systems are continuously improved based on user feedback and medical accuracy reviews
• By using the Service, you acknowledge and accept the AI generated nature of our educational content

Trademark Notice

USMLE is a registered trademark of the Federation of State Medical Boards (FSMB) and the National Board of Medical Examiners (NBME). AMBOSS, UWorld, First Aid, and Anki are trademarks of their respective owners. Blackstar is NOT affiliated with, endorsed by, or sponsored by USMLE, NBME, FSMB, or any of these organizations. All trademarks are the property of their respective owners.

8. Limitation of Liability

To the maximum extent permitted by law, Blackstar and its affiliates shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including loss of profits, data, or other intangible losses, resulting from your use or inability to use the Service.

Indemnification

You agree to indemnify, defend, and hold harmless Blackstar and its officers, directors, employees, agents, and affiliates from and against any and all claims, damages, obligations, losses, liabilities, costs, or expenses (including reasonable attorney's fees) arising from: (a) your use of the Service; (b) your violation of these Terms; (c) your violation of any third party rights, including intellectual property or privacy rights; or (d) any claim that your use of the Service caused damage to a third party.

9. Termination

We reserve the right to suspend or terminate your account at any time for violation of these Terms or for any other reason at our sole discretion. Upon termination, your right to use the Service will immediately cease.

10. Changes to Terms

We may modify these Terms at any time. We will notify users of significant changes via email or through the Service. Your continued use of the Service after changes constitutes acceptance of the modified Terms.

11. Dispute Resolution

Informal Resolution: Before initiating any formal dispute proceedings, you agree to first contact us at [email protected] to attempt to resolve any dispute informally. Most disputes can be resolved quickly through good faith communication.

Binding Arbitration: If informal resolution is unsuccessful, any dispute, controversy, or claim arising out of or relating to these Terms or the Service shall be resolved through binding arbitration administered by the American Arbitration Association in accordance with its Commercial Arbitration Rules. The arbitration shall take place in the United States, and the arbitrator's decision shall be final and binding.

Class Action Waiver: You agree that any dispute resolution proceedings will be conducted only on an individual basis and not in a class, consolidated, or representative action. You waive any right to participate in a class action lawsuit or class wide arbitration.

Exceptions: You may bring claims in small claims court if your claims qualify, and either party may seek injunctive relief in any court of competent jurisdiction for violations of intellectual property rights.

12. Contact Us

If you have questions about these Terms, please contact us at [email protected]