1. Overview

This Privacy Policy explains how Cows ("Cows," "we," "us," or "our"), operated by BIN ZHANG, handles personal data when you use the Cows mobile application, related support, and online services.

You can use core task and focus features without an account. Some features—including cloud sync, AI features, the farm, and Premium purchases—require sign-in.

2. Data we handle

Data stored on your device

Before sign-in, tasks, notes, comments, settings, focus records, rewards, and related app state are stored on your device. They may be lost if you delete or reinstall the app. Time Guard selections are represented by Apple privacy-preserving tokens and are not used to identify the apps you selected.

Account and cloud-sync data

If you sign in with Apple or Google, we process an authentication identifier, sign-in provider, and any basic account information the provider makes available according to your choices, such as an email address or display name. We assign an account identifier and may sync supported tasks, notes, comments, settings, focus records, rewards, and cow collection data through Firebase.

AI feature data

When you actively use AI task breakdown, we send the task title, task notes, language, and the minimum request context to our backend and then to our AI provider. When you actively use the task companion, we send your question, up to six recent local conversation messages, and only the limited task or focus results needed to answer your request. We do not automatically send your entire task library.

Subscription data

Apple processes payment details. Cows and RevenueCat receive subscription-related data such as product identifiers, transaction or customer identifiers, purchase status, trial eligibility, and Premium entitlement status. We do not receive your full card or bank account number.

Security, device, and support data

We may process app version, operating-system version, request timestamps, network and security metadata, and App Check attestation data to operate and protect the service. If you contact support, we process the information you choose to send. Screenshots or detailed logs are included only when you choose to provide them.

3. How we use data

• Provide tasks, focus sessions, account access, sync, rewards, and other requested features.
• Process purchases, restore subscriptions, and determine Premium access.
• Respond to AI requests that you initiate.
• Protect accounts and services, prevent abuse, and troubleshoot failures.
• Respond to support, privacy, and account-deletion requests.
• Comply with legal obligations and enforce our Terms of Service.

Depending on where you live, our legal bases may include performing our contract with you, your consent, our legitimate interests in securing and improving the service, and compliance with law.

4. Service providers and international processing

We share data only as needed with providers that help us deliver the service:

• Apple for Sign in with Apple, StoreKit purchases, subscription management, and device platform features.
• Google Firebase for Google sign-in, authentication, cloud data storage and sync, and App Check.
• Google Gemini, reached through our backend, for AI task breakdown and task-companion responses.
• RevenueCat for subscription status, purchase restoration, offerings, and Premium entitlement management.
• Support and infrastructure providers when required to host the service or respond to a request you send us.

These providers may process data in countries other than yours. Where required, we use available contractual and technical safeguards for international transfers.

We may also disclose information if required by law, to protect rights or safety, or as part of a business transaction subject to appropriate safeguards.

5. Retention and deletion

• Guest data remains on your device until you delete it, uninstall the app, or sign in and migrate supported data.
• Cloud-synced account data is generally kept while your account is active and is deleted or scheduled for deletion when you complete in-app account deletion.
• AI request data is kept only as long as needed to provide, secure, and troubleshoot the requested feature, subject to provider settings and legal obligations.
• Support records are kept as long as needed to resolve the request and maintain necessary business records.
• Subscription and transaction records may be retained by Apple, RevenueCat, or us as required for purchases, fraud prevention, accounting, or law.

Deleting the app does not by itself delete an account or cloud data. Use the in-app account-deletion flow if you want to delete an account.

6. Your choices and rights

• Use core task and focus features without creating an account.
• Choose whether to sign in and sync supported data.
• Keep AI understanding off; it is off by default and requires a notice before use.
• Manage or cancel subscriptions through your Apple account and restore eligible purchases in the app.
• Delete your account through the in-app account controls.
• Request access, correction, deletion, restriction, objection, or portability where applicable in your jurisdiction.

We may need to verify your identity before completing a privacy request. You may also have the right to complain to your local data-protection authority.

7. Security

We use measures designed to protect data, including authenticated access, account-scoped authorization, encrypted network connections, App Check, limited service credentials, and data-minimization rules. No system can guarantee absolute security.

8. Children

Cows is not directed to children under 13, or the minimum age required by local law to consent to online services. We do not knowingly collect personal data from a child without legally required consent. Contact us if you believe a child provided personal data improperly.

9. Changes to this policy

We may update this policy as the product, providers, or law changes. We will update the date above and provide additional notice when required.

10. Contact

Questions or privacy requests can be sent to carlbrown26042316@gmail.com.

1. 概述

本隐私政策说明由 BIN ZHANG 运营的 Cows（以下简称“Cows”或“我们”）在你使用 Cows 移动应用、相关支持与在线服务时，如何处理个人数据。

无需账号即可使用核心任务与专注功能。云同步、AI 功能、农场和 Premium 购买等部分功能需要登录。

2. 我们处理的数据

保存在设备上的数据

登录前，任务、备注、评论、设置、专注记录、奖励及相关 App 状态保存在你的设备上。删除或重新安装 App 后，这些数据可能丢失。时间守护的选择以 Apple 隐私保护令牌表示，我们不会用它识别你选择了哪些 App。

账号与云同步数据

使用 Apple 或 Google 登录时，我们会处理身份验证标识、登录方式，以及登录服务按照你的选择提供的基础账号信息，例如邮箱地址或显示名称。我们会分配账号标识，并可能通过 Firebase 同步受支持的任务、备注、评论、设置、专注记录、奖励和牛只收藏数据。

AI 功能数据

当你主动使用 AI 任务拆解时，我们会把任务标题、任务备注、语言和最少请求上下文发送到我们的后端，再传给 AI 服务商。当你主动使用任务伙伴时，我们会发送你的问题、最多六条最近的本机会话，以及回答所需的有限任务或专注结果。我们不会自动发送你的完整任务库。

订阅数据

支付信息由 Apple 处理。Cows 与 RevenueCat 会收到商品标识、交易或客户标识、购买状态、试用资格和 Premium 权益状态等订阅相关数据。我们不会收到完整银行卡号或银行账户号码。

安全、设备与支持数据

为了运行和保护服务，我们可能处理 App 版本、操作系统版本、请求时间、网络与安全元数据，以及 App Check 证明数据。联系支持时，我们会处理你主动发送的信息；只有在你选择提供时，才会包含截图或详细日志。

3. 我们如何使用数据

• 提供任务、专注、账号访问、同步、奖励及你请求的其他功能。
• 处理购买、恢复订阅并判断 Premium 权益。
• 响应你主动发起的 AI 请求。
• 保护账号和服务、防止滥用并排查故障。
• 处理支持、隐私和账号删除请求。
• 履行法律义务并执行服务条款。

根据你所在地区，处理数据的法律依据可能包括履行与你的合同、取得你的同意、保护和改进服务的合法利益，以及遵守法律义务。

4. 服务商与跨境处理

我们仅在提供服务所需范围内与以下服务商共享数据：

• Apple：用于 Apple 登录、StoreKit 购买、订阅管理及设备平台功能。
• Google Firebase：用于 Google 登录、身份验证、云端数据存储与同步，以及 App Check。
• Google Gemini：通过我们的后端提供 AI 任务拆解和任务伙伴回答。
• RevenueCat：用于订阅状态、恢复购买、Offering 和 Premium 权益管理。
• 支持与基础设施服务商：在托管服务或回复你发起的请求所必需时使用。

这些服务商可能在你所在国家或地区以外处理数据。法律要求时，我们会采用可用的合同和技术保障措施处理跨境传输。

法律要求、保护权利或安全，或发生受适当保障约束的业务交易时，我们也可能披露相关信息。

5. 保留与删除

• 游客数据保留在设备上，直到你将其删除、卸载 App，或登录并迁移受支持的数据。
• 云同步账号数据通常在账号有效期间保留；完成 App 内账号注销后，这些数据会被删除或安排删除。
• AI 请求数据只在提供、保护和排查对应功能所需期间保留，并受服务商设置和法律义务约束。
• 支持记录会在解决请求和保留必要业务记录所需期间保存。
• Apple、RevenueCat 或我们可能因购买处理、防欺诈、会计或法律要求保留订阅和交易记录。

仅删除 App 不会自动删除账号或云端数据。如需删除账号，请使用 App 内的账号注销流程。

6. 你的选择与权利

• 无需创建账号即可使用核心任务与专注功能。
• 自行决定是否登录和同步受支持的数据。
• 保持 AI 理解关闭；该功能默认关闭，并会在使用前展示说明。
• 通过 Apple 账号管理或取消订阅，并在 App 内恢复符合条件的购买。
• 通过 App 内账号控制注销账号。
• 在你所在地区适用时，请求访问、更正、删除、限制处理、反对处理或迁移数据。

处理隐私请求前，我们可能需要验证你的身份。你也可能有权向当地数据保护机构投诉。

7. 安全

我们采用旨在保护数据的措施，包括身份验证、账号范围授权、加密网络连接、App Check、受限服务凭据和数据最小化规则。但任何系统都无法保证绝对安全。

8. 未成年人

Cows 并非面向未满 13 周岁，或当地法律规定的网络服务最低同意年龄的儿童。未经法律要求的同意，我们不会故意收集儿童的个人数据。如果你认为儿童不当提供了个人数据，请联系我们。

9. 政策变更

产品、服务商或法律发生变化时，我们可能更新本政策。我们会更新上方日期，并在法律要求时提供额外通知。

10. 联系我们

如有问题或隐私请求，请联系 carlbrown26042316@gmail.com。