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

Pixel Pixel 5a (5G) Pixel 4a (5G) Pixel 5 Pixel 4a Pixel 4 XL Pixel 4 Pixel 3a XL Pixel 3a Pixel 3 XL Pixel 3 Pixel 2 XL Pixel 2
Xiaomi Xiaomi Mi A2

CalyxOS Features

Own Your Conversations

πŸ’¬ Call, text, or video chat privately with Signal.

πŸ” Encrypted communication is prioritized and encouraged in the OS.


Access the World's Information

🌎 Browse the internet without censorship using Tor Browser.

πŸ”‘ Free and trusted VPNs from The Calyx Institute and Riseup included.


Download Your Favorite Apps

πŸ“² 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.


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Get Started With CalyxOS

Ready to make the move? Let's go πŸŽ‰

Get CalyxOS

About CalyxOS

Why did we create CalyxOS?

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Recent Research

User Personas

Maya Ninova, Ph.D., 2021

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

microG push notification fixes


The October update included some push notification fixes, however it turned out that they didn’t work as well as expected for everyone.

October Security update


The October Security update is here. It also contains some bugfixes and minor features that we had been working on.

Android 12 update plans


Google has released Android 12 to AOSP. They are yet to release the Android 12 update for the Pixels though, stating that it’ll be available in the next few weeks.

See more

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