Last updated: January 16, 2026
By accessing or using Cubrain ("the Service"), you agree to be bound by these Terms of Service and all applicable laws and regulations. If you do not agree with any of these terms, you are prohibited from using or accessing this site.
Cubrain is an AI-powered study tool that converts PDF documents into flashcards and study materials. We provide both free and paid subscription tiers. We reserve the right to modify, suspend, or discontinue the Service at any time without notice.
To access certain features, you may be required to create an account. You are responsible for maintaining the confidentiality of your account credentials and for all activities that occur under your account. You must notify us immediately of any unauthorized use of your account.
Paid subscriptions ("Pro Plan") are processed through Lemon Squeezy. By subscribing, you agree to the pricing, payment, and billing policies of both Cubrain and Lemon Squeezy.
The Service and its original content, features, and functionality are and will remain the exclusive property of Cubrain. Your uploaded PDFs remain your property; however, by using the Service, you grant us a license to process these documents solely for the purpose of generating your study materials. You represent and warrant that you own or have the necessary rights to the content you upload. Cubrain is not liable for any copyright infringement resulting from your uploaded documents.
In no event shall Cubrain, nor its directors, employees, partners, or agents, be liable for any indirect, incidental, special, consequential, or punitive damages, including without limitation, loss of profits, data, use, goodwill, or other intangible losses, resulting from your access to or use of or inability to access or use the Service.
We may terminate or suspend your account and bar access to the Service immediately, without prior notice or liability, under our sole discretion, for any reason whatsoever and without limitation, including but not limited to a breach of the Terms.
If you have any questions about these Terms, please contact us at support@cubrain.app.