Contact us by email
Please send your inquiry to the email address below. We will reply within 2 business days of receiving it.
To help us resolve your issue quickly, please include your device, OS version, CommaDay app version, and the screen and time when the problem occurred. If needed, attach a screenshot with any personal information covered.
Subscriptions and payments
- If a purchase is not reflected in the app, first run “Restore Purchases” from the app store.
- If a payment error persists, email us with only the order date and product name.
- Never include card numbers, account passwords, or full receipt numbers in your email.
- Refunds are handled according to the policies of the Apple App Store or Google Play, wherever the payment was made.
Account and data
You can delete your account in the CommaDay app under My Page → Settings → Delete Account. If you need further help, see the guides below or contact us by email.
If you need urgent help
CommaDay customer support is not a substitute for medical institutions or emergency counseling services. If your safety or someone else's safety is at risk, contact your local emergency services immediately. In South Korea, call 112 or 119, the suicide prevention hotline at 109, or the mental health crisis line at 1577-0199.