Terms of Service

Last updated: May 2026

Welcome to MuMaster.app. By downloading, accessing, or using our software and website, you agree to these Terms of Service.

1. Software License

MuMaster.app grants you a limited, non-exclusive, non-transferable license to use the software for personal use.

You may not redistribute the software, resell license keys, reverse engineer or modify the software, share accounts or activation keys publicly, or use the software for illegal activities.

2. License Keys

Access to premium features requires a valid license key. License keys are time-limited unless stated otherwise, may be restricted to a limited number of devices, and can be revoked if abuse, fraud, or unauthorized sharing is detected.

3. Payments

Payments are securely processed through third-party payment providers. By purchasing a license, you agree that pricing may change at any time, subscriptions or time-based licenses are billed according to the selected plan, and taxes may be applied depending on your country.

4. Refunds

Refunds are handled according to our Refund Policy.

5. Availability

We do not guarantee uninterrupted availability of the software, activation servers, updates, or online services. Features may change or be removed at any time.

6. Limitation of Liability

The software is provided as-is without warranties of any kind. We are not responsible for bans or restrictions from third-party games or services, loss of data, hardware or software incompatibility, or indirect or consequential damages. Use the software at your own risk.

7. Termination

We reserve the right to suspend or terminate licenses that violate these Terms.

8. Changes to Terms

We may update these Terms at any time. Continued use of the software means you accept the updated Terms.

9. Contact

For support or questions: [email protected]