Your Phone Should Be Private
Everyone needs a phone. Not everyone wants to be spied on.
Reclaim your privacy with CalyxOS.
CalyxOS is an Android mobile operating system that puts privacy and security into the hands of everyday users. Plus, proactive security recommendations and automatic updates take the guesswork out of keeping your personal data personal.
CalyxOS Features
Own Your Conversations
💬 Call, text, or video chat privately with Signal.
🔐 Encrypted communication is prioritized and encouraged in the OS.
Access the World's Information
🌎 Browse the internet without censorship using Tor Browser.
🔑 Free and trusted VPNs from The Calyx Institute and Riseup included.
Download Your Favorite Apps
📲 Download all of your favorite apps from F-Droid and Aurora Store.
✌️ [[microg]] replaces some functions of Google Play Services while maintaining much more anonymity and privacy. Completely Optional.
Learn More
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Recent Research
User Personas
We recently conducted a diary study and a set of user interviews and synthesized a baseline understanding of who our users are. Download the research report!
Download PDF📰
Recent News
September Security update
The September Security update is here. It’s basically the last update (2.8.2/.3) with the September 2021 security patches applied on top.
Pixel 5a
CalyxOS 2.8.3 is now available for the Pixel 5a - codename barbet.
Feature update
The promised feature update is here. It will be last big update for Android 11, we will not be developing any more features and instead focusing on making an Android 11 build available for the Pixel 5a, and also preparing for Android 12.
Become a Member
CalyxOS is brought to you by Calyx Institute, a 501(c)(3) non-profit dedicated to making privacy and security available for all.
By becoming a member of Calyx Institute, you will support the development of CalyxOS and receive a phone with CalyxOS already installed!
Join Now