Legal

Terms of Service

Effective August 31, 2026 · Last updated September 22, 2026

1. Acceptance of these terms

These Terms of Service (the “Terms”) are a binding agreement between you and Rebound Running LLC (“Rebound,” “we,” “us”). They govern your access to and use of the Rebound web application, the Rebound app for iPhone, related websites (including reboundrunning.com), and any services we provide (together, the “Service”). By creating an account, subscribing, or otherwise using the Service, you agree to these Terms and to our Privacy Policy. If you do not agree, do not use the Service.

2. What Rebound is, and what it is not

Rebound is a fitness product. It provides structured walk/run programs and knee-targeted strength sessions that adapt to the information you enter, using published rehab research and a deterministic set of pain-monitoring rules.

Rebound is not a medical device, medical practice, or a substitute for care from a licensed healthcare professional. Rebound does not diagnose, treat, cure, or prevent any disease, injury, or condition. Nothing in the Service is medical advice. Medical judgments belong to your physical therapist, physician, or other qualified professional.

3. Eligibility

You may use the Service only if you:

  • Are at least 18 years old;
  • Have been medically cleared to return to physical activity, or accept full responsibility for exercising without clearance;
  • Can and will follow the safety rules described in these Terms and in the Service (in particular, stopping and seeking professional advice when the Service directs you to); and
  • Agree to provide accurate information at intake and on an ongoing basis so the Service can adapt appropriately.

4. Your account

You are responsible for the accuracy of the information you provide, for keeping your login credentials confidential, and for all activity that occurs under your account. You will notify us promptly if you believe your account has been used without your permission.

5. Subscriptions, trials, and billing

Rebound offers a one-time purchase and monthly subscription plans. Prices, features, and trial terms are displayed on the pricing page and at checkout. Payments are processed by our payment processor (currently Stripe); Rebound does not store your full payment card details.

If your plan includes a free trial, you may cancel at any time during the trial to avoid being charged. After the trial, subscriptions renew automatically at the interval and price you agreed to at checkout, until you cancel. You can cancel from your settings page or through the billing portal. A free trial is available once per product per account: if you have already had a trial of a product, a new subscription to that product is billed from its first day, and checkout says so before you pay.

Except where required by law or expressly stated at checkout, all fees are non-refundable. If you believe you have been charged in error, contact us at the address in Section 18 and we will review in good faith.

6. HSA / FSA reimbursement

The Service may be eligible for reimbursement from a health savings account (HSA) or flexible spending account (FSA) if a licensed healthcare provider determines that using Rebound is medically necessary to treat or mitigate a specific diagnosed condition, and if your account administrator accepts the supporting documentation.

Rebound provides tools to help you prepare a Letter of Medical Necessity template and itemized receipts for your provider and administrator to review. Rebound does not determine eligibility, does not issue medical necessity determinations, and does not guarantee reimbursement. That decision belongs to your provider and your administrator.

7. Medical disclaimer, safety, and assumption of risk

Physical activity carries inherent risk of injury. By using the Service, you acknowledge and accept that risk, and you agree that you are solely responsible for evaluating whether the Service is appropriate for your circumstances.

You agree to stop using the Service and consult a healthcare professional if you experience any of the following: sharp pain; swelling; your knee giving way; night pain; pain that keeps building while you are active; or symptoms that do not settle within 24 hours. The Service will flag these situations, but you remain responsible for acting on them.

Do not use the Service as a replacement for professional care. If a healthcare professional advises you not to run, follow that advice.

8. Your responsibilities

  • Provide honest and up-to-date information at intake, at every session log, and at each morning check-in.
  • Follow the safety rules the Service surfaces, including holds, regressions, and pauses.
  • Seek professional evaluation when directed by the Service or when your symptoms warrant it.
  • Use the Service only for your own personal, non-commercial use.

9. Prohibited uses

You will not:

  • Use the Service in violation of any law, or in a way that interferes with or disrupts the Service or its users;
  • Attempt to reverse engineer, scrape, or copy the Service or its content except as expressly permitted;
  • Resell, sublicense, or provide access to the Service to third parties;
  • Upload malicious code, misrepresent your identity, or attempt to gain unauthorized access to any account or system.

10. Content and intellectual property

The Service, including its software, written content, graphics, logos, and design, is owned by Rebound Running LLC and its licensors and is protected by intellectual property laws. Subject to your compliance with these Terms, we grant you a limited, revocable, non-exclusive, non-transferable license to use the Service for your personal use.

You retain rights to the information you provide (for example, your session logs and notes). By using the Service, you grant Rebound a limited license to process that information as needed to provide, secure, and improve the Service, as further described in our Privacy Policy.

11. Third-party services

The Service integrates with third-party providers, including (without limitation) our payment processor, hosting and analytics provider, database and authentication provider, transactional email provider, and, when applicable, our HSA/FSA partner and our language-model provider, which we use to personalize and explain your plan and structure free-text notes and plan-change requests. We never attach your name, email address or any account identifier to a language-model request. Your use of the Service may be subject to those providers' terms and privacy practices, which we describe in our Privacy Policy.

12. Warranty disclaimer

The Service is provided “as is” and “as available.” To the maximum extent permitted by law, Rebound and its licensors and providers disclaim all warranties, express or implied, including any implied warranties of merchantability, fitness for a particular purpose, non-infringement, and any warranties arising out of course of dealing or usage of trade. We do not warrant that the Service will be uninterrupted, error-free, or that any specific outcome will result from using it.

13. Limitation of liability

To the maximum extent permitted by law, in no event will Rebound Running LLC, its officers, employees, or agents be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits, revenues, data, or goodwill, arising out of or related to your use of the Service, whether based in contract, tort, statute, or any other legal theory, even if we have been advised of the possibility of such damages.

Our aggregate liability for any claim arising out of or relating to these Terms or the Service will not exceed the greater of (a) the amount you paid to Rebound in the twelve months preceding the event giving rise to the claim, or (b) one hundred U.S. dollars ($100).

Some jurisdictions do not allow the exclusion or limitation of certain damages, so some of the above may not apply to you.

14. Indemnification

You agree to defend, indemnify, and hold harmless Rebound Running LLC and its officers, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable attorneys' fees) arising out of or in any way connected with (a) your use of the Service, (b) your violation of these Terms, or (c) your violation of any law or third-party right.

15. Changes to the Service and to these Terms

We may update the Service and these Terms from time to time. If we make a change that materially affects your rights or obligations, we will provide reasonable advance notice (for example, by email or in the app). Your continued use of the Service after the effective date of a change constitutes acceptance of the updated Terms.

16. Termination

You may stop using the Service and cancel any subscription at any time. We may suspend or terminate your access to the Service if you violate these Terms or if we are required to do so by law. Sections that by their nature should survive termination will survive, including Sections 10 through 14 and 17.

17. Governing law and disputes

These Terms are governed by the laws of the State of Texas, without regard to its conflict-of-laws principles. Any dispute arising out of or relating to these Terms or the Service will be brought exclusively in the state or federal courts located in Texas, and you consent to the personal jurisdiction of those courts. Nothing in this Section prevents either party from seeking injunctive or equitable relief in any court of competent jurisdiction.

18. Contact

Questions about these Terms can be sent to:

Rebound Running LLC
2293 Hawes Avenue, Dallas, TX 75235
ethan@reboundrunning.com