Terms of Service

Last updated: March 2026

1. Acceptance of Terms

By accessing or using Gridwinner ("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. The Service is offered globally; by using it from your jurisdiction you confirm that you comply with local laws applicable to you.

2. Description of Service

Gridwinner is a local-first analytics tool for Amazon FBA sellers. The Service allows you to upload and analyze supplier spreadsheets to identify profitable products.

3. User Accounts

Some features require creating an account. You are responsible for maintaining the confidentiality of your account credentials and for all activities under your account.

4. Acceptable Use

You agree not to:

  • Use the Service for any illegal purpose
  • Attempt to reverse engineer the software
  • Share account credentials with others
  • Upload malicious files or attempt to compromise the Service
  • Resell or redistribute the Service without permission

5. Payment and Subscriptions

Premium subscriptions are billed monthly through Stripe. You may cancel at any time. Refunds are provided at our discretion for the current billing period.

6. Data Processing

All file processing occurs locally in your browser. We do not upload, store, or have access to your supplier data. See our Privacy Policy for more details.

7. Intellectual Property

The Service, including its design, code, and branding, is owned by Gridwinner. You retain ownership of any data you upload or generate using the Service.

8. Disclaimer of Warranties

The Service is provided "as is" without warranties of any kind. Fee calculations are estimates and should be verified in Amazon Seller Central before making sourcing decisions.

9. Limitation of Liability

Gridwinner shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of the Service, including lost profits from sourcing decisions.

10. Changes to Terms

We may update these terms occasionally. Continued use of the Service after changes constitutes acceptance of the new terms.

11. Termination

We reserve the right to terminate accounts that violate these terms or for any reason at our discretion.

12. Contact

For questions about these terms, contact us at legal@gridwinner.com