Contact and support
Questions, problems, or feedback about Juder? Email support@juder.ai. A person reads every message, and we aim to reply within two business days.
To help us sort it out quickly, include the email address you signed in with, whether you use the website or the iPhone app, and what happened (a screenshot helps). Never send your password or card details.
Report abuse: support@juder.ai. You can also report or block a person from your Friends page. We review reports within 24 hours and never tell the person who reported them.
Membership and billing
- Bought on juder.ai: open Membership to cancel or use “Manage billing” for receipts and your payment method. You keep access until the end of the period you paid for.
- Bought in the iPhone app: Apple handles the payment. Cancel in your Apple ID subscription settings, and request refunds from Apple.
- Charged incorrectly? Email us and we’ll look at it. See section 3 of the Terms of Use.
Your account
- Can’t sign in: use “Forgot password?” on the sign-in page. Check your spam folder for the email from noreply@juder.ai.
- Delete your account: go to your Profile and choose Delete account. Cancel any membership first.
- Privacy requests: to access, correct, or export your data, email us. See the Privacy Policy.
Lessons and AI feedback
If a grade looks wrong or a lesson has a mistake, email us with the lesson name. AI feedback can be wrong, and your reports help us improve it.


