We value every user's voice. Whether it's product suggestions, technical issues, or refund requests, Din Cat and her companions are here for you.
| Channel | Details | Response Time |
|---|---|---|
| Support | [email protected] | Within 1 business day |
| Refunds | [email protected] | Within 3 business days |
| Business | [email protected] | Within 3 business days |
| In-App | Settings → Help & Feedback | Within 1 business day |
| GitHub | github.com/lilyzheng620/ding-academy | Open source collaboration |
Customer service: Mon-Fri 9:00 - 18:00 (JST, excluding public holidays)
Urgent technical issues (account security, payment errors): 24/7 — mark email subject as "Urgent"
For complaints or improvement suggestions, contact the founding team directly:
Founder email: [email protected]
We commit to an initial response within 48 hours and a resolution within 7 business days.