Contact support联系支持
Email support@rsfarm.cn. Include your device model, operating-system version, app language, and a short description of what happened. Do not send passwords, full identity documents or payment-card details.
请发送邮件至 support@rsfarm.cn，并说明设备型号、系统版本、 App 语言和问题经过。请勿发送密码、完整身份证件或支付卡信息。
Common questions常见问题
Why does the app need microphone access?为什么 App 需要麦克风权限？
Microphone input is used to detect pitch while you tune or complete listening exercises.
麦克风输入用于在调音或听音练习中检测音高。
Which languages are available?支持哪些语言？
The current app interface supports English and Simplified Chinese.
当前 App 界面支持英文和简体中文。
Where can I request account deletion?在哪里申请删除账号？
Use the dedicated account and data deletion page. It remains available even if the app has been uninstalled.
请使用专门的账号与数据删除页面。即使已经卸载 App，该入口仍可访问。
Purchases, cancellation and refunds购买、取消与退款
EatTheFretboard offers monthly and annual subscriptions, and a one-time permanent purchase. Eligible users may see a seven-day free trial. Exact availability, eligibility and local prices are shown on the App Store or Google Play purchase screen. Recurring subscriptions are managed and cancelled through the store account used for purchase. Refund eligibility and processing follow the applicable store’s rules.
EatTheFretboard 提供月付、年付订阅和一次性永久买断。符合条件的用户可能会看到 7 天免费试用。 实际可用方案、试用资格和当地价格以 App Store 或 Google Play 购买界面为准。自动续费订阅应通过购买时使用的 商店账号管理和取消，退款资格与处理方式遵循相应商店的规则。