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Install Nythera
Install the web app on your devices, or get Desktop for local models on Windows.
Preferred edition
Recommended install
Open Nythera in Chrome or Edge and press the install button. It launches like a desktop app, keeps the mobile layout responsive, and avoids unsigned installer warnings.
Device notes
Manual install
Windows / desktop
Use Chrome or Edge, open the browser menu, then choose Install Nythera or Apps / Install this site as an app.
Android
Open in Chrome and tap Install app or Add to Home screen.
iPhone / iPad
Open in Safari, tap Share, then choose Add to Home Screen.
One app on every device
Install from Chrome or Edge on Windows, Android, tablets, and supported desktop browsers.
Updates without installers
New UI, persona switching, filters, and fixes arrive through the web app automatically.
Synced account state
Theme color, personas, chats, memory, ratings, and library data follow the same account.
Offline app shell
The installed app opens cleanly offline and reconnects when the network returns.
Windows 64-bit · Version 1.1.0
Desktop for local models
Connect Ollama or LM Studio running on your computer. Desktop streams replies from your local model while Nythera syncs your chats. An internet connection is still required.
Open Settings → Model providers in Desktop to select your local server and model.