AI chat that lives
on your device.

Whyy Cloud is a local AI chat app for mobile and desktop. Your chats, settings, and model data never leave your machine.

View source

Currently only for Android
Features

Persistent chat history

All conversations stored locally with Hive. Fast, searchable, and fully offline.

Prompt & temperature

Tune system prompts and temperature per session. Full control over model behaviour.

Model library

Browse, download, and manage local models. Swap without restarting the app.

Local API server

Expose a local API endpoint from the app. Connect other tools to your on-device LLM.

Debug logs

Built-in log viewer for troubleshooting model loading, inference errors, and API calls.

Light & dark theme

System-aware theming. Looks right on any device, any time of day.

Download

Run AI locally,
on your own terms.

No cloud dependency. No data sharing. Download, load a model, and start chatting in minutes.

Checking for latest release…

Coming soon iOS / macOS Coming soon Windows / Linux
How it works
Install the app
Download the Android APK or install from your platform's package manager to get started quickly.
Load a model
Open the model library, download a compatible local LLM, and load it into the app.
Start chatting
Begin a conversation with your on-device model — everything stays local and private.
Tune & iterate
Adjust prompts, temperature, and settings to refine model behaviour for your workflows.
FAQ