1. 我们收集的信息

我们收集以下类型的信息：

• 账号信息：用户名、邮箱地址及密码（哈希存储）
• 个人资料：昵称、身高、体重、性别、出生日期
• 训练数据：训练记录、运动组数、重量、次数、训练时长
• 身体数据：体重记录、BMI 等身体测量数据
• 设备信息：设备类型、操作系统版本（用于推送通知）

2. 信息使用方式

收集的信息用于以下目的：

• 提供训练记录和统计服务
• AI 个性化训练建议和复盘
• 发送推送通知（可在设置中关闭）
• 账号管理和身份验证
• 改进产品体验和功能

3. 摄像头使用

AI 姿势检测功能需要使用摄像头。视频数据仅在本地实时处理，不会上传到我们的服务器。摄像头权限仅在您主动开启姿势检测功能时使用。

4. 麦克风使用

自定义音色克隆功能需要使用麦克风录制语音样本。录音用于创建您的个性化 AI 语音教练。录音数据将传输至语音合成服务进行处理。

5. 信息存储与安全

您的数据存储在安全的云服务器上。我们采用以下措施保护您的数据：

• HTTPS 加密传输
• 密码哈希存储（bcrypt）
• JWT 访问令牌认证
• 定期安全审查

6. 信息共享

我们不会向第三方出售或共享您的个人信息，以下情况除外：

• 经您明确同意
• 法律法规要求
• 使用 AI 和语音服务的必要数据传输（阿里云 DashScope API，仅用于生成训练建议和语音）

7. 第三方服务

本应用集成以下第三方服务：

• Google Sign-In：用于 Google 账号登录（Google 隐私政策适用）
• Apple Sign-In：用于 Apple 账号登录（Apple 隐私政策适用）
• Firebase：用于推送通知令牌注册
• 阿里云 DashScope：用于 AI 训练建议和语音合成

8. 您的权利

您拥有以下权利：

• 访问：查看您的个人信息
• 修改：在个人资料中更新您的信息
• 删除：通过"设置 → 注销账号"永久删除所有数据
• 撤回同意：随时关闭推送通知等权限

9. 儿童隐私

本应用不面向 13 周岁以下儿童。我们不会有意收集儿童个人信息。

10. 政策更新

我们可能不定期更新本政策。重大变更将在应用内通知您。继续使用本应用即表示您接受更新后的政策。

11. 联系我们

如有隐私相关问题，请通过以下方式联系我们：

• 应用内反馈功能（设置 → 帮助与反馈）
• 邮件：[email protected]

1. Information We Collect

We collect the following types of information:

• Account information: Username, email address, and password (hashed)
• Profile data: Nickname, height, weight, gender, date of birth
• Workout data: Exercise logs, sets, weight, reps, and duration
• Body metrics: Weight records, BMI, and other body measurements
• Device information: Device type, OS version (for push notifications)

2. How We Use Your Information

We use collected information to:

• Provide workout logging and statistics services
• Generate personalized AI coaching advice and reviews
• Send push notifications (can be disabled in settings)
• Manage your account and verify your identity
• Improve the product experience and features

3. Camera Usage

The AI pose detection feature requires camera access. Video data is processed locally in real time and is never uploaded to our servers. Camera permission is only used when you actively enable the pose detection feature.

4. Microphone Usage

The custom voice cloning feature requires microphone access to record voice samples. Recordings are used to create your personalized AI voice coach. Audio data is transmitted to the voice synthesis service for processing.

5. Data Storage & Security

Your data is stored on secure cloud servers. We protect your data with:

• HTTPS encrypted transmission
• Hashed password storage (bcrypt)
• JWT access token authentication
• Regular security reviews

6. Information Sharing

We do not sell or share your personal information with third parties, except:

• With your explicit consent
• When required by law
• Necessary data transfers for AI and voice services (Alibaba Cloud DashScope API, used only for generating training advice and voice)

7. Third-Party Services

The app integrates the following third-party services:

• Google Sign-In: For Google account login (Google Privacy Policy applies)
• Apple Sign-In: For Apple account login (Apple Privacy Policy applies)
• Firebase: For push notification token registration
• Alibaba Cloud DashScope: For AI coaching advice and voice synthesis

8. Your Rights

You have the following rights:

• Access: View your personal information
• Edit: Update your profile information in the app
• Delete: Permanently delete all data via Settings → Delete Account
• Withdraw consent: Disable push notifications or other permissions at any time

9. Children's Privacy

The app is not directed at children under 13. We do not knowingly collect personal information from children.

10. Policy Updates

We may update this policy from time to time. Significant changes will be communicated through the app. Continued use of the app constitutes acceptance of the updated policy.

11. Contact Us

For privacy-related questions, please contact us through:

• In-app feedback (Settings → Help & Feedback)
• Email: [email protected]