Private AI, without the cloud

Think freely.
Stay offline.

Subra AI is a ChatGPT-like assistant that runs on your device. Ask, explore, write, and reason with Gemma 4—without sending your conversations to our servers.

Store availability may vary by device and region.

No account required No chat cloud Local conversation history
New chat
Offline
Help me outline a focused learning plan for this week.
Let’s make it realistic. Pick one main outcome, then split it into three short sessions: learn, practise, and review.
Keep each session under 30 minutes.
Absolutely. I’ll build a compact plan with a clear finish line for each day.
Message Subra AI…
Runs locally with
Google ML Kit Gemma 4
Meet Subra AI

Private AI, explained in under a minute.

See how Subra AI brings useful, private intelligence directly to your phone—without sending your conversations to our servers.

Designed for your device

Useful AI. A much smaller privacy surface.

Subra AI keeps the core chat experience where it belongs: in your hands, on your hardware.

Works offline

Once the model is available on your device, you can chat without an internet connection.

Conversations stay local

Your prompts and generated responses are processed on-device—not sent to a Subra AI server.

Gemma 4 intelligence

A capable language model runs locally through Google ML Kit for fast, private inference.

On-device AI in practice

Business use cases

A growing collection of practical ways businesses can use private, on-device intelligence. A new use case will be added regularly.

Use case 01 · Healthcare

Device-agnostic medical reading capture

Scan a blood pressure monitor, glucose meter, weighing scale, or another medical device. Subra AI recognizes the device and reading on-device, then returns normalized data for the healthcare app.

HealthcareOn-device visionStructured JSON
See more
Scroll to explore use cases01 / 01
Privacy by architecture

Your chats are not our data.

Prompts and responses are processed locally by the model on your device.
Subra AI does not require an account or upload conversation history to a Subra AI server.
You control local chat history and can delete it from within the app or by removing the app.
An internet connection may be needed to download the app, updates, or model files before offline use.
Full privacy details
Ready on your device

Take private AI with you.

Download Subra AI and use on-device chat and vision without making your private conversations a cloud dataset.