Last updated: February 2026
By accessing or using ChessMem ("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.
ChessMem is a chess opening trainer that helps users learn and memorise chess openings through spaced repetition practice. The Service is available via web browser and mobile applications.
To access certain features, you may need to create an account using Google Sign-In. You are responsible for:
ChessMem offers free and premium subscription options:
Payments are processed securely via Stripe (web) or App Store/Google Play (mobile apps).
"Lifetime" means the lifetime of the Service, not the lifetime of the subscriber.
Lifetime membership provides access to premium features for as long as ChessMem continues to operate. We reserve the right to discontinue the Service at any time. In the event of discontinuation:
To request a refund, contact us at support@chessmem.com
You may cancel your subscription at any time:
Upon cancellation, you retain access until the end of your current billing period.
You agree not to:
All content, design, and code of ChessMem is owned by us or our licensors. Chess opening data is compiled from public sources. You may not copy, modify, or distribute our proprietary content without permission.
The Service is provided "as is" without warranties of any kind. We do not guarantee:
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 from time to time. Continued use of the Service after changes constitutes acceptance of the new Terms. Material changes will be notified via email or in-app notification.
These Terms are governed by the laws of England and Wales. Any disputes shall be resolved in the courts of England and Wales.
For questions about these Terms, contact us at:
Email: support@chessmem.com
Last updated: February 2026
These Terms and Conditions govern all purchases made within or related to ChessMem. By making any purchase, you agree to be legally bound by these Terms.
All purchases are one-time payments granting access to the features and functionality available in the App at the time of purchase.
Your purchase grants a licence to use the App's current features. It does not grant ownership of the App or any intellectual property.
The App and all purchased features are provided "as is" and "as available."
Your purchase is for the App and features as they exist at the time of purchase only.
This purchase does not create any expectation of future development, feature additions, updates, maintenance, compatibility updates, or long-term product support.
The developer may, at their sole discretion, modify, update, suspend, or discontinue the App or any feature at any time, with or without notice.
Features, content, or functionality may be added, modified, limited, or removed at any time. Such changes do not entitle you to a refund except where required by applicable law.
To the fullest extent permitted under applicable law, the App is provided without warranties of any kind, whether express or implied, including but not limited to:
Use of the App is at your own risk.
To the maximum extent permitted by law, the developer shall not be liable for any indirect, incidental, special, or consequential damages, including but not limited to:
Total liability for any claim shall not exceed the amount you paid for the App.
All payments are processed by third-party platform providers (such as Stripe, Apple App Store, or Google Play). Refund requests must be directed to the platform through which the purchase was made and are subject to that platform's policies.
The developer does not directly process or control payments or refunds.
You are responsible for maintaining access to the account used for purchase. The developer is not responsible for lost access resulting from platform restrictions, account loss, or account termination.
The App may be accessed worldwide. You are responsible for complying with the laws and regulations applicable in your jurisdiction.
These Terms may be updated from time to time. Continued use of the App after any updates constitutes acceptance of the revised Terms.
By completing a purchase, you confirm that you:
If you do not agree, do not make a purchase.