Thank you for using our apps. If you have questions, suggestions, or feedback, we'd love to hear from you.
English pronunciation practice and scoring app.
Chinese pronunciation, characters, and culture learning app for non-native speakers.
You can reach us through the following channels:
Pro subscriptions for either app are purchased through the Apple App Store or Google Play. To cancel a subscription, request a refund, or restore a previous purchase, use the "Restore Purchases" option in the app, or manage your subscription in your device's system settings. Refund policies are governed by Apple's and Google's respective terms.