Channels:
• iOS / Apple platforms: App Store. Refunds go through Apple under its policy (not controlled by the developer). See
Request a refund for apps or content that you bought from Apple.
• Android (Google Play): Refunds go through Google Play under its policy (not controlled by the developer). See
Learn about refunds on Google Play and
Request a refund on Google Play.
• HarmonyOS (Huawei IAP / AppGallery): Refunds go through Huawei under its policy (not controlled by the developer). See
HUAWEI In-App Purchases Terms of Service.
• Android (China / direct): Alipay. Within 6 months email aqzscn@qq.com with the Alipay order number.
• Windows / Linux desktop: Alipay. Within 6 months email aqzscn@qq.com with the Alipay order number (same as Android Alipay).
• Android TV: no in-app payment — buy on phone, then restore.
• Web: no purchase UI.
After purchase, bind an email to restore on other devices (binding cannot be changed; do not use a temporary email). App Store, Google Play, and Huawei purchases restore the same way. Legacy StreamMusic buyers must bind email in the old app first.