Cardbud Support

Contact us

Email xirong.zhang.ly@gmail.com for support, feedback, or privacy requests.

For technical issues, include your device model, operating system version, and the steps that led to the issue. Screenshots can help; remove personal information first. Never send your password or verification codes.

AI tutoring and card generation

AI features need an internet connection and have limited free allowances. Check your connection and try again if a request fails. AI responses can contain errors, so verify important information.

Account and learning data

Sign in with your Cardbud account to use cloud backup and sync. If you cannot sign in, use the Forgot Password option on the sign-in screen.

To delete your account, open Profile while signed in and select Delete Account. You can also email us to request account or data deletion; we may need to verify that the account belongs to you. See the privacy policy for retention details.

Subscriptions

Pro subscriptions are not available in the current release. Coming Soon notices describe a future feature.