Last updated: March 2026
By accessing and using Synchronium ("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.
Synchronium is a web and mobile application that allows users to manage their Yu-Gi-Oh! trading card collection. Features include collection tracking, deck building, and cross-device synchronization.
To use the Service, you must create an account using Discord OAuth. You are responsible for:
The Service offers subscription plans. By subscribing, you agree to:
You may cancel your subscription at any time through your account settings or the Stripe customer portal. Access continues until the end of your billing period.
You agree not to:
Yu-Gi-Oh! and all related names, characters, and images are trademarks of Konami Holdings Corporation. Synchronium is not affiliated with or endorsed by Konami. Card data is provided by YGOPRODeck API.
The Synchronium application, including its design and code, is owned by us and protected by intellectual property laws.
The Service is provided "as is" without warranties of any kind. We do not guarantee that the Service will be uninterrupted, secure, or error-free.
To the maximum extent permitted by law, we shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of the Service.
We may update these Terms at any time. Continued use of the Service after changes constitutes acceptance of the new Terms. We will notify users of significant changes.
We may terminate or suspend your account at any time for violation of these Terms. You may delete your account at any time through account settings.
For questions about these Terms, please contact us at our contact page.