隐私政策

生效日期：2025 年 6 月 10 日 | 最后更新：2026 年 3 月 28 日

WristPal（以下简称"本应用"）由独立开发者运营。我们深知个人数据的重要性，并承诺以最大限度的透明度保护您的隐私。本隐私政策说明了我们如何收集、使用和保护您在使用本应用时产生的数据。

            核心承诺：您的所有训练数据和健康数据均存储在您的设备本地，不会上传至任何服务器。我们不收集、不存储、不共享您的任何个人身份信息。
        

1. 我们收集的数据

数据类型	用途	存储位置
运动传感器数据（加速度计、陀螺仪）	挥拍检测、球种识别、内旋检测	设备本地（实时处理，不持久化原始数据）
心率数据	训练强度监测、心率区间分析	Apple HealthKit
活动能量消耗	训练卡路里统计	Apple HealthKit
体能训练记录	保存羽毛球训练至健康 App	Apple HealthKit
训练统计数据（挥拍次数、球速等）	训练报告与历史趋势	设备本地（SwiftData）
应用设置偏好（持拍手、语言等）	个性化应用体验	设备本地（UserDefaults）

2. 我们不收集的数据

不收集姓名、邮箱、电话号码等个人身份信息
不收集位置信息
不收集设备标识符（IDFA 等）
不使用任何第三方分析或广告 SDK
不进行用户行为追踪
不向任何第三方发送数据

3. Apple HealthKit 数据使用

本应用通过 Apple HealthKit 读取和写入健康数据。根据 Apple HealthKit 使用条款：

HealthKit 数据仅用于向您提供训练相关的健康分析功能
不会将 HealthKit 数据用于广告或其他数据挖掘目的
不会将 HealthKit 数据出售给任何第三方
不会将 HealthKit 数据存储至 iCloud 或任何远程服务器
您可以随时在 iPhone 的"设置 → 健康 → 数据访问与设备"中撤销本应用的 HealthKit 权限

4. 运动与健身数据

本应用使用 Apple Watch 的运动传感器（加速度计和陀螺仪）以 100Hz 频率采集运动数据。这些原始传感器数据仅在设备内存中实时处理，用于检测挥拍动作，处理完毕后即被丢弃，不会持久化存储原始传感器读数。

5. 设备间数据同步

训练数据通过 Apple Watch Connectivity 框架在您的 Apple Watch 和 iPhone 之间直接同步。此同步通过 Apple 的加密通道在您的设备之间点对点进行，不经过任何第三方服务器。

6. 本地通知

如果您开启了训练提醒功能，本应用会使用本地通知在您设定的时间提醒您训练。通知内容在设备本地生成，不涉及任何远程推送服务。

7. 数据安全

所有数据存储在您的设备本地，受 iOS/watchOS 系统级加密保护
HealthKit 数据由 Apple 的安全框架独立加密存储
本应用不包含任何网络请求功能（除 Apple 系统框架外），不存在数据泄露的网络风险

8. 数据导出与删除

导出：您可以在"设置"中将训练数据导出为 CSV 文件
删除：您可以在应用内逐条删除训练记录；卸载应用将永久删除所有本地数据
HealthKit 中的数据由 Apple 健康 App 管理，您可以在健康 App 中单独删除

9. 儿童隐私

本应用不面向 13 岁以下的儿童，也不会有意收集儿童的个人信息。

10. 隐私政策变更

如本隐私政策有重大变更，我们将通过应用内通知或在此页面发布更新版本。建议您定期查看本页面以了解最新的隐私保护措施。

11. 联系我们

如果您对本隐私政策有任何疑问或建议，欢迎通过以下方式联系我们：

📧 barry.app@outlook.com

Privacy Policy

Effective: June 10, 2025 | Last Updated: March 28, 2026

WristPal (hereinafter "the App") is operated by an independent developer. We understand the importance of personal data and are committed to protecting your privacy with the utmost transparency. This Privacy Policy explains how we collect, use, and safeguard the data generated through your use of the App.

            Core Promise: All your training and health data is stored locally on your devices. We do not upload any data to servers. We do not collect, store, or share any personally identifiable information.
        

1. Data We Collect

Data Type	Purpose	Storage Location
Motion sensor data (accelerometer, gyroscope)	Swing detection, shot classification, pronation detection	Device only (real-time processing, raw data not persisted)
Heart rate data	Training intensity monitoring, heart rate zone analysis	Apple HealthKit
Active energy burned	Calorie tracking during training	Apple HealthKit
Workout records	Save badminton workouts to the Health app	Apple HealthKit
Training statistics (swing count, speed, etc.)	Training reports and historical trends	Device only (SwiftData)
App preferences (racket hand, language, etc.)	Personalized experience	Device only (UserDefaults)

2. Data We Do NOT Collect

No names, email addresses, phone numbers, or other personally identifiable information
No location data
No device identifiers (IDFA, etc.)
No third-party analytics or advertising SDKs
No user behavior tracking
No data transmission to any third party

3. Apple HealthKit Data Usage

The App reads from and writes to Apple HealthKit. In accordance with Apple's HealthKit guidelines:

HealthKit data is used solely to provide training-related health insights
HealthKit data is never used for advertising or data mining
HealthKit data is never sold to any third party
HealthKit data is never stored in iCloud or on any remote server
You may revoke HealthKit permissions at any time via iPhone Settings → Health → Data Access & Devices

4. Motion & Fitness Data

The App uses the Apple Watch's motion sensors (accelerometer and gyroscope) at 100Hz to collect motion data. This raw sensor data is processed in real-time in device memory for swing detection and is discarded immediately after processing. Raw sensor readings are never persisted to storage.

5. Device-to-Device Data Sync

Training data is synced directly between your Apple Watch and iPhone via the Apple Watch Connectivity framework. This sync occurs peer-to-peer through Apple's encrypted channel and does not pass through any third-party server.

6. Local Notifications

If you enable the training reminder feature, the App uses local notifications to remind you at your scheduled time. Notification content is generated locally on the device and does not involve any remote push services.

7. Data Security

All data is stored locally on your device, protected by iOS/watchOS system-level encryption
HealthKit data is independently encrypted by Apple's security framework
The App makes no network requests (outside of Apple system frameworks), eliminating network-based data breach risks

8. Data Export & Deletion

Export: You can export training data as a CSV file from Settings
Deletion: You can delete training records individually within the app; uninstalling the app permanently deletes all local data
Data in HealthKit is managed by the Apple Health app and can be deleted separately

9. Children's Privacy

The App is not directed at children under the age of 13, and we do not knowingly collect personal information from children.

10. Changes to This Policy

If we make material changes to this Privacy Policy, we will notify you through the App or by posting an updated version on this page. We encourage you to review this page periodically.

11. Contact Us

If you have any questions or suggestions regarding this Privacy Policy, please contact us at:

📧 barry.app@outlook.com