隐私政策Privacy Policy
舞接龙 · 更新于 2026 年 10 月 19 日DanceChain · Updated October 19, 2026
简单说
我们理解你对隐私的顾虑——舞蹈视频里有你和你的朋友，非常私人。所以舞接龙从一开始就设计成所有内容只留在你的手机上：
- 你的视频、照片和音乐只在本机处理和保存，从不上传，我们也看不到。
- App 里说的"AI"，指的是在你手机上运行的识别算法（看动作、数人数、对齐音乐），不是把内容发到云端的 AI 服务。
- 没有账号系统，不收集姓名、联系方式或位置，没有广告和追踪。
App 在手机上处理什么
- 你选的视频和音乐：用来对齐音乐、识别动作和人数、拼接成片。所有分析（包括 AI 识别）都用苹果系统自带的功能在本机完成。
- 你选的背景照片：只用来合成成片。
- 做好的成片：保存在 App 内，只有你点"保存到相册"或"分享"时才会离开 App，去向由你决定。
- "AI 生成背景"使用苹果的 Image Playground，在你的设备上生成，受苹果的隐私条款约束。
离开手机的唯一信息
为了防止免费次数被反复刷取，App 会向我们的服务器（api.meatbunz.com）发送一个由苹果 DeviceCheck 生成的匿名设备令牌。服务器只用它向苹果查询和记录"这台设备的免费次数是否已用完"（苹果为每台设备保存两个比特位）。这个令牌不包含也不关联你的身份、Apple ID 或任何内容；我们的服务器不保存它，也不记录 IP 地址。
购买
订阅和购买由苹果 App Store 处理。我们看不到你的付款信息，只能从苹果那里知道这台设备是否开通了 Pro。
日志
App 在手机上保存一个处理日志（步骤、用时、视频文件名和时长）。只有你在 设置 › 发送日志 里主动分享时，它才会离开手机。
儿童
本 App 不专门面向儿童，也不收集任何人的个人信息。
联系
对隐私有任何问题：dabaimaoxiong@gmail.com（舞接龙团队）。本政策如有更新，会在此页面公布。
In short
We understand your privacy concerns — dance videos show you and your friends, and they're personal. So DanceChain is built to keep everything on your phone:
- Your videos, photos and music are processed and stored only on your device and are never uploaded — we can't see them.
- "AI" in the app means recognition algorithms that run on your phone (reading moves, counting dancers, lining up the music), not a cloud AI service that receives your content.
- No accounts, no name, contact details or location collected, no ads and no tracking.
What the app processes on your phone
- The videos and music you pick: to line up the music, recognize moves and dancers, and make the film. All analysis, including the AI recognition, runs on the device using Apple's built-in frameworks.
- Background photos you pick: only to compose the film.
- Finished films: kept inside the app; they leave it only when you choose "Save to Photos" or "Share".
- "Generate with AI" backgrounds use Apple's Image Playground on your device, under Apple's privacy terms.
The only information that leaves your phone
To prevent abuse of the free saves, the app sends an anonymous device token generated by Apple's DeviceCheck to our server (api.meatbunz.com). The server uses it only to ask Apple, and record with Apple, whether this device has used its free saves (Apple keeps two bits per device). The token does not contain or link to your identity, Apple ID or any content; our server does not store it and does not log IP addresses.
Purchases
Subscriptions and purchases are handled by Apple's App Store. We never see your payment details; we only learn from Apple whether Pro is active on the device.
Log
The app keeps a processing log on the phone (steps, timings, video file names and lengths). It leaves the phone only if you share it from Settings › Send Log.
Children
The app is not directed at children and collects no personal information from anyone.
Contact
Privacy questions: dabaimaoxiong@gmail.com (the DanceChain team). Updates to this policy will be posted on this page.