Help Center

Your purchases are linked to your App Store (iOS) or Play Store (Android) account. To restore:

1. Make sure you're signed in with the same Apple ID or Google account used for the original purchase
2. Open Kanjidon
3. Go to Settings → Subscription
4. Tap Restore Purchases

If restoration fails, ensure your subscription is still active in your device's subscription settings.

Subscriptions are managed through your device's app store:

iOS:

1. Go to Settings → [Your Name] → Subscriptions
2. Tap Kanjidon
3. Tap Cancel Subscription

Android:

1. Open Google Play Store
2. Tap Menu → Subscriptions
3. Find Kanjidon and tap Cancel

You'll keep access until the end of your billing period.

Please try these steps:

1. Force close and restart the app
2. Go to Settings → Subscription → Restore Purchases
3. Check if your subscription is active in your device's settings

If the issue persists, contact us at info@kanjidon.com with:

• Your email address
• Order confirmation or receipt number
• Screenshot of the charge

Your progress syncs automatically when you're signed in:

1. On your new device, install Kanjidon
2. Sign in with the same account (Google or Apple) used on your old device
3. Your progress will sync automatically

Note: Guest accounts cannot sync. Create an account to enable cloud sync.

Try these troubleshooting steps:

1. Force close the app completely and restart
2. Restart your device
3. Update the app to the latest version
4. Check storage space - ensure you have at least 200MB free
5. Reinstall the app (your data is saved in the cloud if you're signed in)

If crashes continue, email us with your device model and OS version.

To change your username:

1. Open Kanjidon
2. Tap your profile icon (top left)
3. Tap the edit icon next to your username
4. Enter your new username (3-20 characters)
5. Save changes

Rules: Usernames must be appropriate and not impersonate others. Violations result in forced username reset.

If you signed up with email/password:

1. On the login screen, tap "Forgot Password?"
2. Enter the email associated with your account
3. Check your inbox for the reset link
4. Follow the link to create a new password

If you signed in with Google or Apple, simply use those sign-in buttons - no password needed.

To report inappropriate behavior:

1. Tap the user's profile
2. Tap the three dots menu (top right)
3. Select "Report User"
4. Choose the reason and add details
5. Submit the report

Reports are reviewed by human moderators within 24-48 hours. Your identity is never shared with the reported user.

Refunds are processed through the app store where you made the purchase:

iOS: Visit reportaproblem.apple.com

Android: Visit support.google.com/googleplay

EU Users: You have a 14-day right of withdrawal. Contact us at info@kanjidon.com with subject "[REFUND]" within 14 days of purchase.

Yes! Most features work offline:

• All quiz modes
• Flashcard study
• Your collection
• Learning progress

Requires internet:

• PvP battles (matchmaking)
• Leaderboards
• Friend features
• Syncing progress across devices