ZTrain Privacy Policy / 在练隐私政策

Operator: ZTrain. Contact: support@25258825.xyz.

Training data / 训练数据

Workouts, plans, profile entries and chat history are saved on your device. You can export or erase them in Settings. Your device backup settings may also back up app data. / 训练、计划、资料和对话保存在设备上；可在设置中导出或删除。设备备份设置也可能备份应用数据。

AI coach and attached photos / AI 教练与附加照片

Only after you enable AI conversation, your name, goals, current workout, chat context and up to three recent workouts are sent over HTTPS to ZTrain's service and DeepSeek to generate a reply. If you attach a photo, the compressed still image is sent directly to DeepSeek V4.1 Flash for visual understanding and text recognition. Do not send sensitive medical or identity documents. ZTrain does not intentionally persist request text or photos; it stores a hashed access token, subscription identifier and usage counters to provide access and enforce limits. DeepSeek processes submitted content under its own terms. / 仅在开启 AI 对话后，称呼、目标、当前训练、对话上下文和最近三次训练才通过 HTTPS 发送给 ZTrain 服务及 DeepSeek 生成回复。附加照片时，压缩后的单张图片会直接发送至 DeepSeek V4.1 Flash 进行视觉理解与文字识别。请勿上传敏感医疗资料或身份证件。ZTrain 不会有意持久保存请求正文或照片，只保存访问令牌哈希、订阅标识和用量计数。DeepSeek 按其条款处理提交的内容。

Microphone and live camera / 麦克风与实时相机

Speech recognition uses Apple's speech services and may be processed by Apple. Live camera exercise analysis, when offered, runs on the device and is separate from photos you explicitly attach to AI chat. / 语音识别使用 Apple 服务，音频可能由 Apple 处理。实时相机动作分析如被启用，会在设备本地运行；它与用户主动附加到 AI 对话的照片相互独立。

Purchases and choices / 购买与选择

Apple processes App Store purchases. We receive the subscription status needed to enable the coach. You may turn AI off, export or delete local data, erase service access data in Settings, and cancel a subscription in your Apple account. For other privacy requests, email us. / Apple 处理 App Store 购买。我们获取开通教练所需的订阅状态。你可关闭 AI、导出或删除本地数据，在设置中清除服务访问记录，并在 Apple 账户取消订阅。其他隐私请求请发送邮件。

Retention / 保留

Temporary usage counters are deleted after 65 days. Expired service tokens are removed after their verification period. We do not sell training data or use it for advertising. / 临时用量计数在 65 天后删除；过期服务令牌在验证期后移除。我们不出售训练数据，也不将其用于广告。