「初中生物周周练」（由 Jason Chen 开发）是一款面向初中生物学习的离线优先应用。我们重视未成年人与家长的隐私保护。
我们收集哪些信息
本应用不要求注册或登录，也不向我们的服务器上传个人身份信息。学习进度（如连续学习天数、测验成绩）仅保存在您设备的本地存储中。
权限说明
本应用使用本地存储以保存学习记录，并使用设备媒体能力播放课程视频。我们不申请通讯录、相册、相机、麦克风、定位或跨应用追踪权限。
第三方与分析
当前版本不集成广告 SDK、不进行跨应用追踪、不向第三方分享用户学习数据。
儿童与教育场景
本应用面向初中学生与家长/教师辅助学习。不收集儿童的个人身份信息。
内容与署名
部分知识短片画面来自 Wikimedia Commons 等可自由使用的素材，并配以中文讲解；素材署名见应用内容包中的归因文件。
营销网站
本营销/支持网站的托管与传输可能使用 Cloudflare 等基础设施。这些提供方会按自身条款处理技术请求数据以运营网站。
联系我们
政策更新
若隐私政策有重大更新，我们将更新日期并在产品页或应用内提示。
初中生物周周练 (Junior Biology Weekly Practice), developed by Jason Chen, is an offline-first biology study app. We respect the privacy of students and families.
What we collect
The app does not require an account and does not upload personal identity information to our servers. Learning progress (such as streaks and quiz scores) is stored only on your device.
Permissions
We use on-device storage for progress and the device media player for lesson videos. We do not request Contacts, Photos, Camera, Microphone, Location, or tracking permissions.
Third parties & analytics
This version does not include ad SDKs, does not track across apps, and does not share learning data with third parties.
Children & education
The app is intended for junior-high students with parent/teacher support. We do not collect children’s personal identity information.
Content attribution
Some knowledge-clip visuals come from freely licensed sources such as Wikimedia Commons, with Chinese narration added. Attribution files are bundled with the app content.
Marketing website
Hosting and delivery of this website may use infrastructure providers such as Cloudflare, which process technical request data under their own terms.
Contact
Updates
If this policy changes materially, we will update the date and note the change on the product page or in the app.