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Backup · head to head

CloudCasa vs Proxmox Backup Server

CloudCasa logo

CloudCasa

Backup

SaaS Kubernetes backup and migration with published per-node pricing

From
Free
Rated
-
Full reviewWebsite
Proxmox Backup Server logo

Proxmox Backup Server

Backup

Deduplicating backup server for virtual machines, containers and Linux hosts, with verification built in

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: CloudCasa at $69 per node per month, a fifty-node estate costs over forty thousand dollars a year at list, which is more than many teams expect from a product marketed on its free tier.; Proxmox Backup Server there is no Windows client, so physical Windows machines must be backed up by something else and the estate ends up with two backup products.
  • They diverge on capability: CloudCasa covers SaaS control plane, Proxmox Backup Server covers Deduplicated chunk store.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which CloudCasa and Proxmox Backup Server actually diverge.

Attributes where CloudCasa and Proxmox Backup Server differ
AttributeCloudCasaProxmox Backup Server
Pricing modelPer node per monthOpen source, no licence fee
PlatformsKubernetes, WebLinux

Identical on both: starting price (Free), free tier (Yes), 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 CloudCasa

  • SaaS control plane
  • Free tier
  • Cross-cluster restore
  • Managed service support
  • Bring your own storage
  • Velero compatibility

Only in Proxmox Backup Server

  • Deduplicated chunk store
  • Incremental guest backups
  • Client side encryption
  • Verification jobs
  • Remote sync
  • Live restore and file level restore

What people use each for

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

CloudCasa

  • A team wanting Kubernetes backup running this afternoon without deploying and maintaining a backup servernot Proxmox Backup Server
  • A small cluster of five nodes or fewer that needs real backup at no licence costnot Proxmox Backup Server
  • An organisation running Velero already and wanting a managed control plane and catalogue over the topnot Proxmox Backup Server
  • Migrating workloads between EKS and AKS where the tool must restore into a different distributionnot Proxmox Backup Server

Proxmox Backup Server

  • Backing up a Proxmox VE cluster with incremental block level backups of running guestsnot CloudCasa
  • Replacing a backup product whose licence is priced per socket or per terabyte on a virtualisation estatenot CloudCasa
  • Proving backup integrity on a schedule rather than discovering corruption during a restorenot CloudCasa
  • Keeping an encrypted second copy on a remote server or on tape without a third party servicenot CloudCasa

Where each one falls short

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

CloudCasa

  • At $69 per node per month, a fifty-node estate costs over forty thousand dollars a year at list, which is more than many teams expect from a product marketed on its free tier.
  • The control plane is SaaS, so cluster metadata and backup catalogues sit with the vendor, which rules it out where policy prohibits external services holding infrastructure detail.
  • Per-node pricing punishes clusters built from many small nodes, so the licensing metric can push architecture decisions in directions the platform team would not otherwise choose.
  • The free tier stops at five nodes with no intermediate step, so growth from five to six nodes moves you from nothing to a full commercial rate.
  • Catalogic is a much smaller vendor than Veeam or Commvault, which matters for procurement risk assessments and for long-term support commitments on a system you may depend on for years.

Proxmox Backup Server

  • There is no Windows client, so physical Windows machines must be backed up by something else and the estate ends up with two backup products.
  • The datastore is millions of small chunk files, so it needs storage with real input and output capability and performs poorly on a single spinning disk or an SMB or NFS share.
  • Deduplication is per datastore, so splitting workloads across datastores for retention or tenancy reasons multiplies the storage those workloads consume.
  • Garbage collection depends on file access time semantics on the underlying filesystem, so a datastore mounted with the wrong options can fail to reclaim space or, worse, behave unpredictably.
  • Subscriptions are priced per CPU socket per year, so a backup server consolidated onto fewer larger dual socket machines pays twice per host for the supported repository.

Pricing, plan by plan

CloudCasa

Free
  • BasicFree
    • Up to 5 nodes at no cost
    • Daily backup schedules for clusters and namespaces
    • Basic and advanced restore options
  • CloudCasa Pro$69/month
    • Per node per month
    • Advanced backup policies
    • Application-aware backups
  • Enterprise$undefined/year
    • Volume pricing negotiated
    • Dedicated support and SLAs
    • Custom retention and residency arrangements

Proxmox Backup Server

Free
  • No subscriptionFree
    • Full functionality with no capacity limit
    • Community package repository
    • Community forum support
  • Subscription$undefined/year
    • Priced per CPU socket per year
    • Access to the enterprise package repository
    • Vendor support tickets

Which should you pick?

Choose CloudCasa if

  • You need saas control plane.
  • You want to start without paying.
  • You work on Kubernetes, Web.
  • You also want free tier.
CloudCasa review

Choose Proxmox Backup Server if

  • You need deduplicated chunk store.
  • You want to start without paying.
  • You work on Linux.
  • You also want incremental guest backups.
Proxmox Backup Server review

Questions people ask

Is CloudCasa or Proxmox Backup Server better?
Neither clearly leads. CloudCasa starts at Free and Proxmox Backup Server at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CloudCasa or Proxmox Backup Server?
CloudCasa starts at Free and Proxmox Backup Server at Free.
Does CloudCasa or Proxmox Backup Server run on more platforms?
CloudCasa runs on Kubernetes, Web. Proxmox Backup Server runs on Linux.
Can I use CloudCasa for free?
Both have a free tier, so you can try either at no cost before committing.
What is CloudCasa best used for?
CloudCasa is most often used for a team wanting kubernetes backup running this afternoon without deploying and maintaining a backup server, a small cluster of five nodes or fewer that needs real backup at no licence cost, an organisation running velero already and wanting a managed control plane and catalogue over the top, migrating workloads between eks and aks where the tool must restore into a different distribution. Of those, a team wanting kubernetes backup running this afternoon without deploying and maintaining a backup server and a small cluster of five nodes or fewer that needs real backup at no licence cost are not what Proxmox Backup Server is typically brought in for.
What can CloudCasa do that Proxmox Backup Server cannot?
CloudCasa covers SaaS control plane, Free tier, Cross-cluster restore, Managed service support. Proxmox Backup Server covers Deduplicated chunk store, Incremental guest backups, Client side encryption, Verification jobs.

Answered from the vendors’ own pages

CloudCasa: What does it cost?

Free for up to five nodes. CloudCasa Pro is $69 per node per month. Enterprise arrangements are negotiated.

Proxmox Backup Server: Can it back up machines that are not on Proxmox?

Linux hosts yes, through the client, at file level. Other hypervisors and physical Windows machines are outside its scope.

CloudCasa: Where does the backup data go?

Typically to your own S3-compatible bucket. The vendor hosts the control plane and catalogue, not necessarily your data.

Proxmox Backup Server: Is a subscription required?

No. Without one you use the community repository and forum support. The subscription buys the tested enterprise repository and vendor tickets.

CloudCasa: Does it work with Velero?

Yes. It can manage existing Velero installations, which makes it a lower-friction upgrade than a rip and replace.

Proxmox Backup Server: How do I know a backup will restore?

Run verification jobs. They re-read the stored chunks and mark snapshots verified or failed, which is stronger evidence than a successful backup log.

Proxmox Backup Server: What storage should the datastore be on?

Local disks, ideally with ZFS and enough input and output capacity for many small files. Network shares are supported but routinely disappointing.

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