Terms of Use

Last Updated: December 11, 2025

Welcome to ArchSim! By accessing or using our mobile application ("App"), you agree to be bound by these Terms of Use ("Terms"). If you do not agree to these Terms, please do not use the App.

1. Description of Service

ArchSim is a system design interview preparation simulator. It provides interactive scenarios, AI-driven feedback, and analytics to help users prepare for engineering interviews. The App follows a "Freemium" model, offering basic features for free and advanced features via a paid subscription ("Pro Access").

2. Subscriptions and Payments

  • Free Tier: Users can access a limited number of scenarios and basic features without charge.
  • Pro Access: Users may purchase a subscription (monthly or yearly) to unlock all scenarios, unlimited simulations, and advanced analytics.
  • Payment: Payments will be charged to your iTunes or Google Play account at confirmation of purchase.
  • Auto-Renewal: Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period.
  • Cancellations: You can manage or turn off auto-renew in your Account settings. No cancellation of the current subscription is allowed during the active subscription period.

3. User Conduct

You agree to use the App only for lawful purposes. You agree not to:

  • Reverse engineer, decompile, or disassemble the App.
  • Use the App to harass, abuse, or harm others.
  • Interfere with the operation of the App or its servers.

4. Intellectual Property

All content, features, and functionality of the App (including but not limited to text, graphics, logos, and software) are owned by ArchSim and are protected by international copyright, trademark, and other intellectual property laws.

5. Disclaimer of Warranties

The App is provided on an "AS IS" and "AS AVAILABLE" basis. We make no warranties, expressed or implied, regarding the App's operation or content. We do not guarantee that the App will be error-free or uninterrupted.

6. Limitation of Liability

To the fullest extent permitted by law, ArchSim shall not be liable for any indirect, incidental, special, consequential, or punitive damages arising out of or related to your use of the App.

7. Changes to Terms

We reserve the right to modify these Terms at any time. We will notify you of any changes by posting the new Terms on this page. Your continued use of the App constitutes acceptance of any changes.

8. Contact Us

If you have any questions about these Terms, please contact us at support@archsim.app.