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CasaOS vs. ZimaOS: Which One Will be Your Choice?
Giorgio Zhang - Jul 24, 2025


CasaOS – Access Your Apps and Files

- Runs on Top of Your Linux: CasaOS is designed to be installed on an existing Linux system, with Debian and Ubuntu being the recommended choices. This gives you full control over the underlying operating system.
- Broad Hardware Compatibility: Because it’s a software layer, CasaOS supports both x86_64 and ARM architectures. This makes it a perfect choice for a massive range of devices, from an old laptop to a Raspberry Pi or other single-board computers (SBCs).
- Effortless Installation: Forget tedious OS installations that take half an hour. The famous one-liner
curl -fsSL https://get.casaos.io
| sudo bash
is all it takes to transform your Linux box into a personal cloud hub in under five minutes. It’s the fastest, most effortless way to start your self-hosting journey. - Docker-Centric: CasaOS is built around Docker. It features a fantastic App Store with over 500+ popular applications (like Immich, Nextcloud, Jellyfin) ready for one-click installation. It also fully supports custom apps via Docker Compose, CLI, and YAML imports.
- Completely Open Source: Both the CasaOS codebase and the App Store architecture are open source. You can inspect the code, contribute, and even build your own app store.


ZimaOS – Simplified, Focused and Open NAS OS
- A Complete OS: You install ZimaOS directly onto your bare-metal x86 machine. No need to install Debian or Ubuntu first.
- Advanced Storage Management: This is a core strength. ZimaOS offers GUI-based management for:
- Advanced Filesystems: Btrfs, ext4, and ZFS.
- RAID: Software RAID 0, 1, 5, 6, and JBOD for data redundancy and performance.
- Professional Protocols: Full SAMBA support with a GUI, plus NFS & iSCSI via the command line.
- Powerful Data Tools:
- Robust Backup System: Create easy backup jobs from any source (Cloud, USB, LAN, Internal) to any destination (Cloud, USB, LAN, Internal). It even supports a single source to dual destinations for a true 3-2-1 backup strategy.
- Data Migration: A dedicated tool for moving data that provides a full migration report, offering more integrity than a simple copy-paste.
- AI-Powered Search: The Files App can perform intelligent, context-aware searches.
- Hardware Optimization & Virtualization:
- Thunderbolt™ Support: Optimized drivers to leverage the full speed of Thunderbolt-equipped hardware.
- NvidiaGPU: Native support for mainstream Nvidia cards, unlocking potential for local AI, transcoding, and more.
- ZVM: A built-in virtual machine manager to easily install and run other operating systems.
- The Zima Client & Seamless Remote Access: ZimaOS is paired with the Zima Client (Windows, macOS, Android, iOS). This isn’t just an app; it’s an intelligent connector.
- It automatically discovers your ZimaOS on the local network.
- Once connected, it remembers your device and establishes a secure, software-defined VPN for effortless remote access from anywhere in the world. No complex network configuration required.
- The desktop version performs automatic network path optimization, always choosing the fastest link available (e.g., prioritizing a direct Thunderbolt connection over LAN).

Quick Comparison

One Community, Two Scenarios, a Single Vision

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