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.
Supported Devices
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 Feature Update
CalyxOS 4.13.4 - September feature update is now available for all supported devices.
Fairphone 5 will be supported
CalyxOS will support the Fairphone 5
September Security Update Two
CalyxOS 4.13.3 - September Security Update Two is now available for all supported devices
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