Legal Agreement

Terms of Service

Last Updated: June 2026

Welcome to Simple Sheet. Please read these Terms of Service ("Terms") carefully before using our application and website. By accessing or using Simple Sheet, you agree to be bound by these Terms. If you disagree with any part of the terms, you may not access the service.

1. Description of Service

Simple Sheet is a digital tool designed to help users organize, calculate, and share mathematical information efficiently. The service offers both a free version and a premium ("Pro") version with enhanced features.

2. User Conduct and Shared Content

When you create and share calculation sheets via URL or QR code, you are solely responsible for the content you generate. You agree to the following conditions:

3. Pro Version and Subscriptions

Simple Sheet offers optional Pro features that unlock additional functionality. Purchases are processed through secure third-party platforms (such as Google Play or Apple App Store) and are subject to their respective terms and privacy policies.

Passcode Usage: Any PC/Web passcode or access credential provided as part of a Pro purchase is intended for your personal use only. Public redistribution, resale, or unauthorized sharing of such credentials is strictly prohibited and will result in immediate suspension or termination of your Pro access without a refund.

4. Intellectual Property

The application, including its original code, features, functionality, and design, are and will remain the exclusive property of Jet Lab Apps and its licensors. Our trademarks and trade dress may not be used in connection with any product or service without the prior written consent of Jet Lab Apps.

7. Termination

We may terminate or suspend your access to the service immediately, without prior notice or liability, for any reason whatsoever, including without limitation if you breach the Terms.

8. Governing Law

These Terms shall be governed and construed in accordance with the laws of the jurisdiction in which Jet Lab Apps is established, without regard to its conflict of law provisions.

9. Changes to These Terms

We reserve the right, at our sole discretion, to modify or replace these Terms at any time. If a revision is material, we will try to provide at least 30 days' notice prior to any new terms taking effect. Continued use of the application after such changes constitutes your acceptance of the revised Terms.