Last updated: October 23, 2025
This Cookie Policy explains how LH Digital (doing business as LH Digital) ("we", "us", or "our") uses cookies and similar technologies on our website at https://www.thestacksapp.com and our mobile application Stacks - Language Flashcards (collectively, the "Services").
Cookies are small text files that are placed on your device (computer, smartphone, or tablet) when you visit a website. They are widely used to make websites work more efficiently and provide information to website owners. Cookies allow us to recognize your device and store information about your preferences or past actions.
We use only essential cookies that are necessary for our Services to function properly. We do not use tracking or analytics cookies.
These cookies are necessary for the Services to function properly. They enable basic functions like page navigation and access to secure areas of the website.
| Cookie Name | Purpose | Duration |
|---|---|---|
| Vercel Session Cookies | Maintains your session state and ensures proper website functionality | Session |
Our website is hosted on Vercel, which may use cookies for performance optimization and security purposes. These are essential cookies that ensure the proper functioning of our Services.
You can set or amend your web browser controls to accept or refuse cookies. If you choose to reject essential cookies, some features of our Services may not function properly.
Most web browsers allow you to manage cookies through their settings. Here's how to manage cookies in popular browsers:
We may update this Cookie Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons. We will notify you of any material changes by posting the new Cookie Policy on this page and updating the "Last updated" date at the top of this policy.
If you have any questions about our use of cookies or this Cookie Policy, please contact us:
For more information about cookies and how they work, visit: