Contact us

For technical issues, feedback, or account questions, email us and we will respond as soon as possible.

Email: stephenmtree@gmail.com

Please include your iOS version, app version, and a short description of the issue.

Common topics

Premium & subscriptions

Premium is managed through the App Store. To restore a purchase, open Settings → Restore Purchase in the app. To manage or cancel a subscription, visit Apple Subscriptions.

Delete your data

Use Settings → Reset My Data in the app to remove vocabulary, library, progress, imported books, and caches from your device.

联系我们

如有技术问题、反馈或账号相关疑问,请发送邮件,我们会尽快回复。

邮箱: stephenmtree@gmail.com

请附上 iOS 版本、应用版本,并简要描述问题。

常见主题

高级版与订阅

高级版通过 App Store 管理。恢复购买请打开应用内 设置 → 恢复购买。管理或取消订阅请前往 Apple 订阅

删除数据

在应用内使用 设置 → 重置我的数据,可删除词汇、书库、进度、导入书籍与缓存。