Qubes OSvs
Debian
Debian: A hardened conventional desktop with far lower hardware requirements and no containment model
Qubes OS
Security-focused operating system that runs each activity in its own virtual machine
As of 31 August 2026, Qubes OS is free to use. An OS that assumes compromise and contains it, running your browser, email and work in separate Xen virtual machines. Softwr lists it under Operating Systems. Qubes OS is made by The Qubes OS Project.
Overview
What Qubes OS does
Qubes OS is a desktop operating system built on the Xen hypervisor in which everything you do runs inside a virtual machine, called a qube. Applications are created from templates, usually Fedora, Debian or Whonix, so many qubes share one root filesystem while keeping separate home directories. The administrative domain has no network access at all, network hardware and USB controllers are given to dedicated qubes so their drivers cannot reach your data, and windows are drawn with coloured borders that identify which qube owns them. Copying text or files between qubes is an explicit two-step action rather than a background convenience. What it sells is containment rather than prevention. A compromised browser in a disposable qube ends when you close the window, and a malicious USB device attacks the USB qube instead of the system. The Whonix templates route a qube through Tor at the network layer, so an application inside it cannot leak the real address even if it tries. Nothing else on the desktop offers this shape of isolation with an interface an ordinary user can operate. The requirements are the reason most evaluations end early. Qubes needs hardware virtualisation and an IOMMU, which many consumer laptops disable or implement badly; the official memory floor is unrealistic and 16GB is the practical minimum with 32GB preferred; an SSD is effectively required. The certified hardware list is a handful of models from small vendors, and outside it wifi, suspend and firmware behaviour are unpredictable. There is no GPU passthrough for the desktop, so every qube renders without acceleration: video calls stutter, 3D and games are out, and battery life is noticeably shorter than the same laptop running a normal Linux install. The buyers are journalists, security researchers, lawyers and people with genuine adversaries, who accept all of that in exchange for the containment model.
What people use it for
- Journalists opening attachments and documents from sources who cannot be verified
- Security researchers detonating samples on the same machine they use for ordinary work
- Consultants and lawyers who must keep several clients cryptographically separate on one laptop
- People whose threat model includes targeted attacks rather than commodity malware
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Qubes OS.
- Hardware compatibility is the first and usual failure: an IOMMU is mandatory, and most business laptops fail on wifi passthrough, firmware quirks or suspend even when the CPU supports virtualisation.
- There is no GPU acceleration inside qubes, so video conferencing, media playback, 3D work and games are poor to unusable, and this rules the system out for most general-purpose users.
- Memory is consumed per qube, so 16GB is the working floor and a normal day with a browser, email, work and a disposable qube open will exhaust an 8GB machine.
- Battery life is substantially shorter than the same laptop running a conventional Linux install, because several VMs and their drivers are running continuously.
- Backups are whole-VM images rather than files, so restores are slow, storage requirements are large, and pulling a single document out of a backup is more work than it should be.
Cross-shopped
What people choose instead of Qubes OS
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- Qubes OSvsFedora
Fedora: SELinux, Flatpak sandboxing and immutable variants give partial isolation on ordinary hardware
- Qubes OSvsUbuntu
Ubuntu: If the requirement is a supported secure desktop rather than isolation between activities
Pricing
What Qubes OS costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Qubes OS
Free
- No licence fee
- All templates and features included
- Community support via forum and mailing lists
- Certified hardware sold by third-party vendors at their own prices
Capabilities
Features
Compartmentalisation by VM
Each activity runs in its own Xen virtual machine, with coloured window borders showing which
Disposable qubes
Single-use VMs for opening untrusted attachments or links, destroyed when the window closes
Template model
Many qubes share one root filesystem, so updating a template updates every qube built from it
Isolated device drivers
Network and USB controllers are handed to dedicated qubes so driver flaws cannot reach your data
Whonix integration
Built-in Tor gateway and workstation templates that isolate at the network layer, not the application
Anti-evil-maid
Optional boot integrity checks that reveal tampering with an unattended machine
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
Will it run on my laptop?
Check the hardware compatibility list first, and prefer a certified model. VT-x or AMD-V alone is not enough; you need VT-d or AMD-Vi as well, and many consumer machines either omit it or implement it badly.
Can I run Windows in a qube?
Yes, with Qubes Windows Tools, but the integration is less complete than the Linux templates and has historically broken across Windows updates. Treat it as a workaround, not a supported desktop.
How much RAM do I actually need?
16GB to work comfortably, 32GB if you keep many qubes running. The published minimum will boot the system but not support a normal working day.
Is it usable as an only computer?
For text, email, browsing and code, yes. For video calls, media production or anything needing a GPU, no, and most users keep a second machine for those tasks.
Keep looking
Where to go from Qubes OS
- Qubes OS alternativesEvery product people weigh against it
- Qubes OS pricingPlans, floors and what the tiers exclude
- Qubes OS badgesWhich rules it meets, and the figure behind each
- All Operating Systems softwareThe full category
- Best Operating Systems softwareThe shortlist, and how it was cut
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Compare Qubes OS with
- Ubuntu
- Debian
- Fedora
- Alpine Linux
- FreeBSD
- AlmaLinux
- NixOS
- Pop!_OS
- Red Hat Enterprise Linux
- Arch Linux
- Linux Mint
- Manjaro
- OpenWrt
- Rocky Linux
- Pop!_OS
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Softwr does not host reviews and shows no star rating for Qubes OS, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
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