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Backup · head to head

Kopia vs Rubrik Cloud Data Management

Kopia logo

Kopia

Backup

Open source deduplicating backup with client side encryption and a repository on almost any storage

From
Free
Rated
-
Full reviewWebsite
Rubrik Cloud Data Management logo

Rubrik Cloud Data Management

Backup

Zero trust data security for modern enterprises

From
$100/varies
Rated
-
Full reviewWebsite

The short version

  • Only Kopia has a free tier, so it costs nothing to try first.
  • Each has a real cost: Kopia space is only reclaimed when maintenance runs, and in a shared repository full maintenance is owned by one client, so if that machine goes away the repository grows for ever while every backup still reports success.; Rubrik Cloud Data Management requires substantial upfront investment with enterprise pricing models
  • They diverge on capability: Kopia covers Content defined chunking, Rubrik Cloud Data Management covers Zero trust data security.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Kopia and Rubrik Cloud Data Management actually diverge.

Attributes where Kopia and Rubrik Cloud Data Management differ
AttributeKopiaRubrik Cloud Data Management
Starting priceFree$100/varies
Pricing modelOpen source, no licence feeUnknown
Free tierYesNo
PlatformsLinux, macOS, Windows, DockerCloud, On-Premises, Hybrid
FoundedUnknown2014

Identical on both: user rating (Not yet rated), category (Backup).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Kopia

  • Content defined chunking
  • Global deduplication
  • Pack blobs
  • Client side encryption
  • Desktop and command line
  • Repository verification

Only in Rubrik Cloud Data Management

  • Zero trust data security
  • Instant recovery
  • Ransomware detection
  • Data classification
  • Compliance automation
  • API-first architecture
  • VMware
  • AWS

What people use each for

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

Kopia

  • Backing up laptops and workstations to cheap object storage with a desktop interface rather than a cron jobnot Rubrik Cloud Data Management
  • Deduplicating backups of several similar machines into one repository so common content is stored oncenot Rubrik Cloud Data Management
  • Replacing a chunk based tool whose per object charges made a cheap bucket expensivenot Rubrik Cloud Data Management
  • Keeping an encrypted offsite copy where the storage provider must never be able to read the contentsnot Rubrik Cloud Data Management

Rubrik Cloud Data Management

  • Data protectionnot Kopia
  • Disaster recoverynot Kopia
  • Business continuitynot Kopia
  • Ransomware protectionnot Kopia
  • Compliancenot Kopia

Where each one falls short

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

Kopia

  • Space is only reclaimed when maintenance runs, and in a shared repository full maintenance is owned by one client, so if that machine goes away the repository grows for ever while every backup still reports success.
  • The repository format has changed across versions and mixing client versions against one repository is discouraged, so a fleet must be upgraded together rather than machine by machine.
  • There is no central orchestration or reporting for many machines, so monitoring a fleet means building your own alerting around exit codes.
  • Restoring many small files is slower than the backup was, because content must be reassembled from pack blobs, and this is rarely tested until the day it matters.
  • Encryption is client side with no escrow, so a lost repository password means the data is unrecoverable and there is no vendor to appeal to.

Rubrik Cloud Data Management

  • Requires substantial upfront investment with enterprise pricing models
  • Complex implementation and integration with existing infrastructure
  • Complex configuration with many options for policies, bulk operations limits, and error handling
  • Limited built-in analytics compared to some competitors

Pricing, plan by plan

Kopia

Free
  • KopiaFree
    • Full functionality, no data limit
    • Desktop application included
    • Any supported storage back end

Rubrik Cloud Data Management

$100/varies

No published plan breakdown. See the Rubrik Cloud Data Management review.

Which should you pick?

Choose Kopia if

  • You need content defined chunking.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker.
  • You also want global deduplication.
Kopia review

Choose Rubrik Cloud Data Management if

  • You need zero trust data security.
  • You work on Cloud, On-Premises, Hybrid.
  • You also want instant recovery.
Rubrik Cloud Data Management review

Questions people ask

Is Kopia or Rubrik Cloud Data Management better?
Neither clearly leads. Kopia starts at Free and Rubrik Cloud Data Management at $100/varies, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kopia or Rubrik Cloud Data Management?
Kopia has a free tier; the other does not. Paid plans start at Free for Kopia and $100/varies for Rubrik Cloud Data Management.
Does Kopia or Rubrik Cloud Data Management run on more platforms?
Kopia runs on Linux, macOS, Windows, Docker. Rubrik Cloud Data Management runs on Cloud, On-Premises, Hybrid.
Can I use Kopia for free?
Yes. Kopia has a free tier, so you can try it without paying. Rubrik Cloud Data Management starts at $100/varies.
What is Kopia best used for?
Kopia is most often used for backing up laptops and workstations to cheap object storage with a desktop interface rather than a cron job, deduplicating backups of several similar machines into one repository so common content is stored once, replacing a chunk based tool whose per object charges made a cheap bucket expensive, keeping an encrypted offsite copy where the storage provider must never be able to read the contents. Of those, backing up laptops and workstations to cheap object storage with a desktop interface rather than a cron job and deduplicating backups of several similar machines into one repository so common content is stored once are not what Rubrik Cloud Data Management is typically brought in for.
What can Kopia do that Rubrik Cloud Data Management cannot?
Kopia covers Content defined chunking, Global deduplication, Pack blobs, Client side encryption. Rubrik Cloud Data Management covers Zero trust data security, Instant recovery, Ransomware detection, Data classification.

Answered from the vendors’ own pages

Kopia: Is a partly corrupt repository still restorable?

Partly. Deduplication means one damaged pack blob affects every snapshot referencing its contents, but unaffected files still restore. Run verification regularly rather than assuming.

Rubrik Cloud Data Management: What ransomware protection does Rubrik offer?

Rubrik offers immutable backups that cannot be altered or deleted, providing zero trust data security. Enterprise customers receive a $10M ransomware recovery warranty for both on-premises and Rubrik managed cloud environments.

Source
Kopia: How does it compare with restic?

Similar guarantees, with packing that behaves better on per operation billing, a desktop interface, and compression enabled by default.

Rubrik Cloud Data Management: How quickly can Rubrik recover from data loss?

Rubrik enables near-instantaneous recovery of virtual machines and databases, minimizing downtime. Global Real-Time Search provides Google-like search across all backups to quickly locate and restore specific files.

Source
Kopia: Do I need to run maintenance manually?

It is scheduled automatically by default, but you must ensure the client that owns full maintenance keeps running, otherwise deleted snapshots never free space.

Rubrik Cloud Data Management: What cloud platforms does Rubrik support?

Rubrik supports cloud mobility across AWS, Azure, and Google Cloud, enabling data migration and replication to various cloud platforms.

Source
Kopia: Can several machines share one repository?

Yes, and that is where deduplication pays off, but they should run compatible versions and only one owns full maintenance.

Rubrik Cloud Data Management: Does Rubrik reduce storage requirements?

Yes, Rubrik uses global deduplication to eliminate redundant data across all backups, significantly reducing storage requirements and optimizing storage efficiency.

Source
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