We're here to help you get the most out of Big Brain.
On iPhone: Go to Settings > Your Name > Subscriptions > Big Brain > Cancel. On Android: Open Google Play Store > Menu > Subscriptions > Big Brain > Cancel.
Free users get 3 AI Tutor questions per day. This resets at midnight. Upgrade to Big Brain Pro for unlimited AI questions.
Free users can generate 3 quizzes per week. This resets every Monday. Big Brain Pro subscribers get unlimited quizzes.
Yes. Your study notes, flashcards, and quiz results are stored locally on your device. AI conversations are processed in real-time and are not stored on our servers. See our Privacy Policy for full details.
Yes! Big Brain's AI Tutor can help with math, science, English, history, and any other subject. You can also share photos of homework problems for step-by-step solutions.
Open the App, go to the Premium screen, and tap "Restore Purchases." Make sure you're signed in with the same Apple ID or Google account you used to purchase.
Our support team is ready to assist you with any questions or issues.
bigbraincostomerservice@yahoo.com