StayBack（保持距离）是由 iftech 开发的一款帮助用户减少手机使用的 App。我们非常重视您的隐私。本隐私政策说明了我们如何收集、使用和保护您的信息。

1. 信息收集与使用

1.1 UWB 距离数据

本 App 使用 Apple 超宽带 (UWB) 技术测量 iPhone 与 Apple Watch 之间的距离。此距离数据：

• 仅在本地设备上处理，用于判断是否满足解锁条件
• 不会上传至任何服务器
• 不会与第三方共享

1.2 屏幕使用时间 (Screen Time)

本 App 使用 Apple 的 Family Controls 和 Screen Time API 来限制指定 App 的使用。

• 您选择限制的 App 列表仅存储在本地设备和 App Group 共享容器中
• 我们不会访问或收集您的屏幕使用时间统计数据

1.3 通知

本 App 可能发送本地通知，提醒您完成解锁任务。通知内容在本地生成，不涉及远程推送服务器。

1.4 本地存储

本 App 使用 UserDefaults 和 App Groups 存储您的偏好设置和 App 状态。所有数据均存储在您的设备本地。

2. 数据共享

我们不会与任何第三方共享您的个人数据。本 App 不包含任何第三方分析、广告或追踪 SDK。

3. 数据存储与安全

所有数据均存储在您的 Apple 设备本地，受 iOS 系统安全机制保护。我们不运营任何服务器来收集或存储用户数据。

4. 儿童隐私

本 App 不针对 13 岁以下儿童，也不会故意收集儿童的个人信息。

5. 隐私政策更新

我们可能会不时更新本隐私政策。更新后的政策将在此页面发布，并更新"最后更新"日期。

6. 联系我们

如果您对本隐私政策有任何疑问，请通过以下方式联系我们：

邮箱: nicktuesda@gmail.com

StayBack is an app developed by iftech that helps users reduce phone usage. We take your privacy seriously. This privacy policy explains how we collect, use, and protect your information.

1. Information Collection and Use

1.1 UWB Distance Data

This app uses Apple's Ultra-Wideband (UWB) technology to measure the distance between iPhone and Apple Watch. This distance data:

• Is processed only on your local device to determine if unlock conditions are met
• Is never uploaded to any server
• Is never shared with third parties

1.2 Screen Time

This app uses Apple's Family Controls and Screen Time APIs to restrict the use of specified apps.

• The list of apps you choose to restrict is stored only on your local device and in the App Group shared container
• We do not access or collect your Screen Time usage statistics

1.3 Notifications

This app may send local notifications to remind you to complete unlock tasks. Notification content is generated locally and does not involve remote push servers.

1.4 Local Storage

This app uses UserDefaults and App Groups to store your preferences and app state. All data is stored locally on your device.

2. Data Sharing

We do not share your personal data with any third parties. This app does not include any third-party analytics, advertising, or tracking SDKs.

3. Data Storage and Security

All data is stored locally on your Apple device, protected by iOS system security. We do not operate any servers to collect or store user data.

4. Children's Privacy

This app is not directed at children under 13 and does not knowingly collect personal information from children.

5. Changes to This Policy

We may update this privacy policy from time to time. Updated policies will be posted on this page with a revised "Last Updated" date.

6. Contact Us

If you have any questions about this privacy policy, please contact us at:

Email: nicktuesda@gmail.com