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Operating System

CalyxOS

Privacy-focused Android operating system with microG and GrapheneOS security

Privacy score 90 Free Technical: Advanced Open source
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CalyxOS offers a privacy-conscious alternative in the operating system space, with a stronger focus on data protection than many mainstream tools.

Desktop Laptop

Overview

CalyxOS is a privacy-focused mobile operating system based on Android that emphasizes security and user privacy. The operating system removes Google services and tracking

components, replacing them with privacy-respecting alternatives. CalyxOS includes features like verified boot, automatic security updates, and strong app isolation. The operating system supports microG for compatibility with apps that require Google Play Services, but in a privacy-respecting way. CalyxOS is available for Google Pixel devices and provides regular security updates. The operating system is open source and developed by the Calyx Institute, a non-profit organization focused on digital privacy and security. CalyxOS emphasizes user control over data and provides tools to minimize tracking and data collection. The system is free to use and can be installed on supported devices.

Privacy highlight

Privacy-focused mobile OS with no

. De-Googled Android with verified boot and automatic updates. and strong security hardening.

Quick facts

Country:
πŸ‡ΊπŸ‡Έ United States
Pricing:
Free
Platform:
Desktop, Laptop
Technical:
Advanced
:
No
:
No telemetry
:
Yes
Open-source status:
Fully open source
:
No
:
Yes

Key features

  • Operating system focused on security and privacy.
Security & encryption Click to expand
No
Encryption protocols
AES-256, ,
CalyxOS uses Android's built-in mechanisms including full-disk and file-based . The operating system supports hardware-backed key storage when available. keys are managed by the Android KeyStore system. CalyxOS includes additional security hardening beyond standard Android. The operating system uses verified boot and features. Users do not need to manage keys manually as is handled automatically by the system.
Offline support
Yes
Telemetry & tracking Click to expand
No telemetry
No
Ip no
CalyxOS does not collect data by default. The operating system does not include or code. CalyxOS does not track users, collect usage statistics, or monitor device activity. The operating system is designed to minimize and provide users with privacy. Users have complete control over any optional features.
Jurisdiction & compliance Click to expand
CalyxOS is developed by the Calyx Institute, which is based in the United States. The operating system does not collect or store user data, so there is minimal data residency concern. CalyxOS operates locally on user devices without cloud services. The Calyx Institute operates under US privacy laws and complies with GDPR for European users.
CalyxOS does not retain user data. The operating system does not collect or store personal information, device identifiers, or usage data. CalyxOS operates locally on user devices without cloud services that would retain data. Users have complete control over their data as it remains on their devices.
Legal frameworks
GDPR, CCPA
Revenue sources
Donations, Hardware sales
Editorial signals Click to expand
90
Trust score
88
Trust breakdown (0–10)
Encryption: 90, Audits: 80, Open source: 90, Telemetry: 100, Jurisdiction: 70, Transparency: 85, Trackers: 95
Editorial notes
Usability: 80, Performance: 85, Family friendly: 85
User experience Click to expand
Signup requirements
none
Onboarding difficulty (1-5)
4
Accessibility features
Operating system with accessibility features including keyboard navigation and screen reader support
Backup & portability Click to expand
Yes
Migration tools
Device migration tools, Data export
Factory reset, Recovery mode

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