[Feature Request] app on mobile terminal

### 🥰 需求描述

Is there any plan to design the app on the iPhone? there are some production but not good enough like chatx, chatbox, and a sync app in the mobile terminal is attractive to me.

### 🧐 解决方案

same as the above

### 📝 补充信息

_No response_

The issue names no files, tests, or entry points. Start by reviewing the repository's existing platform support and the referenced apps, then define the iPhone app's scope and acceptance criteria before implementation.

Written by the indexing model from the issue text.