Private local AI
you can be honest with.
Phos helps you think through messy decisions, write difficult messages, study privately, and shape ideas without turning your inner life into someone else's data trail.
Open the app.
Start thinking in seconds.

Not a spotlight.
A lamp on your desk.
Phos is named after light because the product should do one quiet thing well: help you see your own thoughts more clearly, without making them public property.
Tiny private ritual
Write what you cannot say out loud yet. Let Phos help you make it clearer.
mode
Local-first
memory
Only when saved
For the thoughts you would not paste into a normal chatbot.
Late-night replies, private study notes, startup ideas, and personal decisions. Phos gives them a quiet place before they become someone else's training data, dashboard event, or ad profile.
Companion
listening locally
I need to say this honestly without sounding harsh.
Phos keeps the feeling intact, removes the sharp edges, and gives you a draft you can actually send.
Yourunfinishedthoughtsdeserveaquietplace.Phosstartswithlocal-firstprivacy,noaccount,noads,notracking,andmemoryyouapproveyourself.Theapphandlesthetechnicalpathquietly.Localmodel,ownkey,orlocalserver,theboundarystaysvisiblebeforeprivatecontextmoves.
See the real boundaries
A closer look at what Phos handles quietly: local setup, provider boundaries, local tools, memory, app logs, screenshot cover, and generation settings.
Running locally with a downloaded model
Chats, memories, and selected local model metadata stay on this device. No company-hosted inference is involved.
Built around how you actually think.
Not another chatbot wrapper. Phos is a private thinking space designed around real workflows.
Conversations that stay yours.
Ask about private notes, startup ideas, study questions, or a difficult message. Phos handles the local setup and shows when a provider key or local server is being used.

Always alive. Always yours.
Start thinking in one tap.
Your models. Your rules.
The privacy controls are visible.
Screenshot Cover
Optional secure-window privacy cover
App Logs
Local diagnostic hints, user-triggered reports
App Lock
Biometric or passphrase gate
Public code. Private thoughts.
Phos does not need a trust-me sales pitch. The app is public, the boundaries are visible, and the default experience is built around no account and no company storage for private data.
What happens under the hood
Phos handles the setup. You see the boundary.
Automatic local setup
Phone firstPhos recommends and loads the best available local path for the device. Normal users do not have to pick file formats first.
Own-key fallback
Your providerWhen a provider key is active, Phos keeps the key locally and makes it clear that the request uses that provider.
Local server bridge
Your endpointWhen a local endpoint is configured, Phos becomes the mobile interface to the server you run on your own network.
Set up in 30 seconds.
No login. No signup form. No credit card. Just open the app and start thinking. It's that simple.

Start thinking clearly.
A private, local AI companion for the thoughts you don't want on someone else's server.
Free, public source, no login, no ads, no tracking, and no purchases.