Cookie Policy
Last updated: January 22, 2026
1. What Are Cookies?
Cookies are small text files that are placed on your computer or mobile device when you visit a website. They are widely used to make websites work more efficiently and to provide information to the owners of the site.
"Local Storage" is a similar technology that allows websites to store data on your device. In this policy, we use the term "cookies" to refer to all cookies, tags, trackers, pixels, and local storage technologies.
2. How We Use Cookies
We use cookies to:
- Authenticate you and keep you signed in.
- Remember your preferences (such as sidebar state).
- Provide security features (such as fraud protection).
- Analyze how our application is used (performance monitoring).
- Save your work locally (autosave features).
3. Types of Cookies We Use
Essential Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as logging in or filling in forms.
- Authentication: Used by Better Auth to maintain your session.
- Security: Used to prevent Cross-Site Request Forgery (CSRF).
- Payments: Used by Polar for fraud prevention and secure checkout.
Functional Cookies
These cookies enable the website to provide enhanced functionality and personalization.
- Preferences: Storing your sidebar collapse state.
- Autosave: Storing temporary drill data in local storage.
Analytics Cookies
We may use analytics services (such as Vercel Analytics) to help us understand how our application is being used. These cookies collect information in a way that does not directly identify anyone.
4. Managing Cookies
Most web browsers allow you to control cookies through their settings preferences. However, if you limit the ability of websites to set cookies, you may worsen your overall user experience, since it will no longer be personalized to you. It may also stop you from saving customized settings like login information.
5. Updates to This Policy
We may update this Cookie Policy from time to time. We encourage you to periodically review this page for the latest information on our privacy practices.
6. Contact Us
If you have any questions about our use of cookies, please contact us at: