support@getJjin.com
Quick help
I cannot access my previous progress.
Use the same sign-in method as before. If the issue continues, email support with your account email.
Audio is not playing in a lesson.
Check silent mode and volume, then restart the app. If needed, contact support with your iOS version.
How do I delete my account?
If you are a premium member, cancel your membership through Apple Subscriptions. For account deletion, send us an email at support@getJjin.com and we'll delete your account and all information.