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Software · head to head

Ubuntu vs Debian

Ubuntu logo

Ubuntu

Software

Enterprise Linux distribution with 15-year support options.

From
Free
Rated
-
Debian logo

Debian

Software

Community-maintained Linux distribution and universal computing platform.

From
Free
Rated
-

The short version

  • Each has a real cost: Ubuntu free version supported only by community; no official Canonical support without Pro subscription; Debian community-only support; no official organisation provides paid support (unlike Ubuntu's Canonical)

Where they differ

Only the attributes on which Ubuntu and Debian actually diverge.

Attributes where Ubuntu and Debian differ
AttributeUbuntuDebian
Pricing modelfreemiumopen-source
PlatformsDesktop, Server, Cloud, IoT, Edge, WSLDesktop, Server, Supercomputers, Embedded, Laptop, Workstation

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown).

What people use each for

The jobs each tool is most often brought in to do.

Ubuntu

  • Individual developers and small teams using free Ubuntu for laptops and serversnot Debian
  • Cloud and data centre deployments requiring certified, supported Linux operating systemnot Debian
  • Organisations needing FIPS-certified or DISA-STIG-hardened Linux for government and regulated environmentsnot Debian
  • AI and machine learning teams using Ubuntu Desktop with pre-optimised toolchainsnot Debian
  • IoT and edge computing deployments using Ubuntu Corenot Debian

Debian

  • Individual developers and users prioritising software freedom and community governancenot Ubuntu
  • Organisations with in-house Linux expertise maintaining their own systemsnot Ubuntu
  • Embedded systems and supercomputing installations where community support sufficesnot Ubuntu
  • Open-source projects and communities requiring a free, neutral Linux foundationnot Ubuntu
  • Long-term stable deployments where software version stability matters more than bleeding-edge featuresnot Ubuntu

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ubuntu

  • Free version supported only by community; no official Canonical support without Pro subscription
  • Ubuntu Pro required for enterprise compliance certifications (FIPS, DISA-STIG); free version does not include these
  • Ubuntu Pro pricing is proprietary and varies based on cloud deployment (AWS, Azure, GCP); no published per-machine or per-user pricing
  • Ubuntu Pro + Support adds 24/7 support costs on top of base subscription; total cost for enterprise-grade support not transparent
  • Personal/free tier limited to 5 machines; any larger deployment requires paid enterprise subscription

Debian

  • Community-only support; no official organisation provides paid support (unlike Ubuntu's Canonical)
  • Paid professional support requires hiring private consultants; no Debian-backed support tiers or SLAs
  • No official compliance certifications or hardened distributions available; organisations requiring FIPS or DISA-STIG must implement separately
  • Stable release cycle intentionally conservative, leading to older software versions compared to rolling-release distributions
  • Security support responsibility falls on community; no guaranteed response times for vulnerabilities

Pricing, plan by plan

Ubuntu

Free
  • Ubuntu (Free)Free
    • Desktop, Server, Core and Cloud editions
    • Community support
    • Standard security updates (5 years LTS)
  • Ubuntu Pro (Personal)Free
    • Extended Security Maintenance (10 years)
    • Kernel Livepatch
    • Landscape management
  • Ubuntu Pro (Enterprise)$null/variable
    • 10 years Extended Security Maintenance
    • FIPS 140, DISA-STIG, CIS compliance
    • Kernel Livepatch
  • Ubuntu Pro + Support$null/variable
    • All Ubuntu Pro features
    • 24/7 break-fix and bug-fix support
    • Expert assistance for infrastructure and applications

Debian

Free
  • Debian (Free)Free
    • Full distribution download and use
    • 60,000+ free software packages
    • Community support via IRC, mailing lists and forums

Which should you pick?

Choose Ubuntu if

  • You want to start without paying.
  • You work on Desktop, Server, Cloud, IoT, Edge, WSL.

Choose Debian if

  • You want to start without paying.
  • You work on Desktop, Server, Supercomputers, Embedded, Laptop, Workstation.

Questions people ask

Is Ubuntu or Debian better?
Neither clearly leads. Ubuntu starts at Free and Debian at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ubuntu or Debian?
Ubuntu starts at Free and Debian at Free.
Does Ubuntu or Debian run on more platforms?
Ubuntu runs on Desktop, Server, Cloud, IoT, Edge, WSL. Debian runs on Desktop, Server, Supercomputers, Embedded, Laptop, Workstation.
Can I use Ubuntu for free?
Both have a free tier, so you can try either at no cost before committing.
What is Ubuntu best used for?
Ubuntu is most often used for individual developers and small teams using free ubuntu for laptops and servers, cloud and data centre deployments requiring certified, supported linux operating system, organisations needing fips-certified or disa-stig-hardened linux for government and regulated environments, ai and machine learning teams using ubuntu desktop with pre-optimised toolchains. Of those, individual developers and small teams using free ubuntu for laptops and servers and cloud and data centre deployments requiring certified, supported linux operating system are not what Debian is typically brought in for.

Answered from the vendors’ own pages

Ubuntu: Is Ubuntu free?

Yes. Ubuntu is free to download and use in all editions. Community support is also available at no cost. Ubuntu Pro subscriptions are optional and provide extended support and compliance tools.

Source
Debian: Is Debian free?

Yes. Debian is entirely free to download, use and modify. No licensing fees are required, and the project explicitly commits to remaining free.

Source
Ubuntu: How long is Ubuntu LTS support?

Standard Ubuntu LTS releases receive 5 years of security maintenance. Ubuntu Pro extends this to 10 years, expandable to 15 years with the Legacy add-on.

Source
Debian: What support options are available for Debian?

Debian support is community-driven through IRC channels, mailing lists, user forums and direct contact with package maintainers. Organisations requiring professional support can hire private consultants listed in the Debian consultants directory.

Source
Ubuntu: What compliance certifications does Ubuntu Pro provide?

Ubuntu Pro provides compliance tools for FIPS 140, DISA-STIG, CIS, FedRAMP and PCI-DSS standards.

Source
Debian: How long does Debian receive security updates?

Each stable Debian release receives five years of support: three years of full maintenance plus two years of long-term support.

Source

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