Download
Download the Client, or get the app on the App Store for iPhone and iPad. Other products are listed below.
Before you install: Release notes · Updates & versions
Xiaohe Agent
For the desktop app, download the Client; it installs the Agent on first launch. Only a terminal-only setup needs the Agent installed separately.
Client
The desktop client. Install without an account; unlock Pro in the app if you have a license.
v1.4.3
Desktop platforms
Mobile / iOS
For iPhone and iPad. iOS 15.0 or later. Free, with a 7-day trial on first launch.
Scan with WeChat to install
The app connects to the Agent on your computer; install it there first.
Available on the App Store in mainland China, Hong Kong, the US and other regions.
Android
Android: install the APK directly; allow your browser or file manager to install apps.
The Agent needed for chat on this computer installs with the Client. Terminal only? Install the Agent ▸
Client installs without an account. To unlock Pro and Skills Hub, get credentials in the account center and activate inside the app.
Agent
Optional: needed only for terminal use. The Client already installs the Agent, so skip this for the desktop app. Contains the CLI, the local Session server, and the embedded web UI.
v1.3.0
Install Agent
curl -fsSL https://download.xiaohe.team/xiaohe-agent/install.sh | bash
- Windows: paste a DeepSeek API key in the wizard, and leave the desktop Client and local Session checked. macOS / Linux: say yes to the Client and to the local Session prompt.
- macOS / Linux does not ask for a model key. In a new terminal run
xiaohe provider add DeepSeek --kind deepseek --switch. - Open or reopen Xiaohe to chat. The local key is already written. Skipped the local Session server? Run
xiaohe server ensure.
Manual package (fallback)
Prefer the installer above. Packages are for offline or pinned installs.
Other platforms
Hesuan (Phynexis)
Particle and multiphase simulation. The CLI wheel is public. The prefix tar (include, bin, lib, examples) requires a Phynexis license.
v0
CLI wheel. After activation, phynexis-v0 upgrade downloads the prefix tar this license owns.
One-line install
curl -fsSL https://download.xiaohe.team/phynexis-v0/install.sh | bash
v1
Current generation. The installer puts the Linux CLI wheel on PATH. After activation, phynexis-v1 upgrade downloads the prefix tar this license owns.
One-line install
curl -fsSL https://download.xiaohe.team/phynexis-v1/install.sh | bash
Hetu (Phynexis Graph)
A graph editor for simulation setup. Draw the objects, parameters and names, then write the Python script, the OpenFOAM dictionaries or the .viewer scene each tool reads. No account required.
v0.1.0
Other platforms
macOS and Windows update inside the app; the Linux .deb is installed manually over the current copy.
Heshi (Phynexis Viewer)
A visualization and rendering scaffold for simulation results. Open a .viewer project in the browser, or render a still in Blender from the same scene. No account required. This desktop app is Heshi; the command line and Python package keep the name phynexis-viewer — the same product, delivered two ways.
v0.2.4
Other platforms
macOS and Windows update inside the app; the Linux .deb is installed manually over the current copy.
Heyue (Xiaohe Reader)
Heyue (Xiaohe Reader) is a Markdown reader from our work with agents. No Xiaohe account required.
v0.1.19
Other platforms
OpenFOAM
Cross-platform native packs for OpenFOAM, an open-source CFD toolchain by OpenCFD. Ready-to-use builds on our download server; source on GitHub.
v2412.5