GuitarMetro does not collect, store, transmit, or share any personal data. The app contains no analytics, no advertising SDKs, no user accounts, and makes no network requests during normal use.
GuitarMetro 不收集、不存储、不传输、不共享任何个人数据。应用不含统计分析、 不含广告 SDK、没有账号系统，正常使用中不发起任何网络请求。
Your settings (tempo, time signature, volumes, language, etc.) and your practice-time log are stored only on your device, and never leave it. Deleting the app removes this data.
您的设置（速度、拍号、音量、语言等）与练琴时长记录仅保存在 您自己的设备上，绝不会离开设备。卸载应用即删除这些数据。
GuitarMetro does not request microphone, camera, location, or contact access.
应用仅使用音频播放与（播放时的）屏幕常亮能力；不请求麦克风、相机、 位置或通讯录权限。
GuitarMetro is suitable for all ages and, as stated above, collects no data from anyone — including children.
GuitarMetro 适合所有年龄使用；如上所述，不向包括儿童在内的任何人收集数据。
If this policy ever changes (for example, if a future feature requires network access), the change will be described here before it ships.
若本政策发生变化（例如未来功能需要联网），会在功能上线前于本页说明。
Questions? Email elmerhou@163.com.