Lucy OS1 replaces the built-in Android voice assistant with persistent memory, real conversation, and platform independence. Google is migrating Android users from Google Assistant to Gemini. Lucy OS1 gives Android users a third option: an AI that is not tied to any platform and remembers everything indefinitely.
Try Lucy OS1 →Android voice assistants have been in flux since Google began deprecating Google Assistant on many devices. Lucy OS1 provides stability: a voice AI that updates independently of Android releases, works in Chrome or any Android browser, and builds memory regardless of what Google decides to do with its assistant products next year.
Gemini is deeply integrated with Google services, which is valuable if you rely heavily on Gmail, Google Docs, and YouTube. Lucy OS1 is better for users who want an AI focused on conversation and persistent memory without the Google ecosystem. Many Android users use both: Gemini for Google service integration and Lucy OS1 for daily conversation and planning.
Open Chrome on your Android phone, navigate to lucybrain.com, and tap the three-dot menu. Select Add to Home Screen. Lucy OS1 installs as a web app on your Android home screen and opens in full-screen mode with one tap. Grant microphone permission once and voice interaction is immediately available.
Installs to your Android home screen from Chrome. Opens full-screen with one tap, identical to a native app experience.
Your Lucy OS1 memory is stored independently of your Google account. No platform changes affect your conversation history.
Lucy OS1 works on Android 8 and above. Any Android phone from the last several years is fully supported.
Lucy OS1 is free to start. No credit card required. Open it in your browser on any device and begin a real voice conversation immediately.
Start talking to Lucy →Does Lucy OS1 work on Samsung Galaxy phones?
Yes. Lucy OS1 works on all Samsung Galaxy phones in Chrome or Samsung Internet browser. It is fully tested on Galaxy S and A series devices.
Can Lucy OS1 replace the Google Assistant button on my Android phone?
You cannot remap hardware assistant buttons on most Android phones, but you can add Lucy OS1 to your home screen and access it in one tap. Many users find this workflow just as fast.
Does Lucy OS1 drain Android battery?
Lucy OS1 uses browser audio APIs which are efficient on modern Android devices. Expect similar battery use to a voice call during active sessions.
Welcome