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Backup · head to head

Comet Backup vs HPE StoreOnce

Comet Backup logo

Comet Backup

Backup

White-label backup software for service providers

From
$19/month
Rated
-
Full reviewWebsite
HPE StoreOnce logo

HPE StoreOnce

Backup

Disk-based backup with built-in deduplication

From
$5000/one-time
Rated
-
Full reviewWebsite

The short version

  • They diverge on capability: Comet Backup covers White-label branding, HPE StoreOnce covers StoreOnce Catalyst.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Comet Backup and HPE StoreOnce actually diverge.

Attributes where Comet Backup and HPE StoreOnce differ
AttributeComet BackupHPE StoreOnce
Starting price$19/month$5000/one-time
Pricing modelsubscriptionone-time
PlatformsWindows, macOS, LinuxLinux, Web
Founded20172015

Identical on both: free tier (No), 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 Comet Backup

  • White-label branding
  • Bring your own storage
  • End-to-end encryption
  • Chunking deduplication
  • Delta compression
  • Multi-tenant
  • AWS S3
  • Google Cloud

Only in HPE StoreOnce

  • StoreOnce Catalyst
  • Cloud bank storage
  • Instant recovery
  • Federated deduplication
  • Encryption
  • Replication
  • Veeam
  • Commvault

Both cover

  • Azure
  • Linux support
  • Web support

What people use each for

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

Comet Backup

  • MSP backup and disaster recovery solutionsnot HPE StoreOnce
  • Cloud-to-cloud backup automationnot HPE StoreOnce
  • Ransomware protection with immutable storagenot HPE StoreOnce

HPE StoreOnce

  • Data protectionnot Comet Backup
  • Disaster recoverynot Comet Backup
  • Business continuitynot Comet Backup
  • Ransomware protectionnot Comet Backup
  • Compliancenot Comet Backup

Where each one falls short

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

Comet Backup

  • Per-endpoint costs ($2/month per endpoint) can add up for large deployments with many protected machines
  • Advanced and Enterprise tiers with additional management capabilities are significantly more expensive than base tiers
  • Platform-specific features (SQL, MySQL, MongoDB, Microsoft 365) have separate per-unit pricing

HPE StoreOnce

Nothing recorded yet. See the HPE StoreOnce review.

Pricing, plan by plan

Comet Backup

$19/month
  • Starter$19/month
    • 1 self-hosted license
    • Endpoint scaling at $2/endpoint/month
  • Growth$49/month
    • 2 self-hosted licenses
    • Primary/replica setups
    • Endpoint scaling at $2/endpoint/month
  • Advanced$99/month
    • 5 management console licenses
    • Audit logging
    • Air-gap management console
  • Professional (Cloud-Hosted)$49/month
    • 1 cloud-hosted console license
    • Endpoint scaling at $2/endpoint/month

HPE StoreOnce

$5000/one-time
  • StoreOnce Appliance$5000/one-time
    • Catalyst deduplication
    • Cloud bank
    • Instant recovery

Which should you pick?

Choose Comet Backup if

  • You need white-label branding.
  • You work on Windows, macOS, Linux.
  • You also want bring your own storage.
Comet Backup review

Choose HPE StoreOnce if

  • You need storeonce catalyst.
  • You work on Linux, Web.
  • You also want cloud bank storage.
HPE StoreOnce review

Questions people ask

Is Comet Backup or HPE StoreOnce better?
Neither clearly leads. Comet Backup starts at $19/month and HPE StoreOnce at $5000/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Comet Backup or HPE StoreOnce?
Comet Backup starts at $19/month and HPE StoreOnce at $5000/one-time.
Does Comet Backup or HPE StoreOnce run on more platforms?
Comet Backup runs on Windows, macOS, Linux. HPE StoreOnce runs on Linux, Web.
What is Comet Backup best used for?
Comet Backup is most often used for msp backup and disaster recovery solutions, cloud-to-cloud backup automation, ransomware protection with immutable storage. Of those, msp backup and disaster recovery solutions and cloud-to-cloud backup automation are not what HPE StoreOnce is typically brought in for.
What can Comet Backup do that HPE StoreOnce cannot?
Comet Backup covers White-label branding, Bring your own storage, End-to-end encryption, Chunking deduplication. HPE StoreOnce covers StoreOnce Catalyst, Cloud bank storage, Instant recovery, Federated deduplication. Both handle Azure, Linux support, Web support.

Answered from the vendors’ own pages

Comet Backup: How much does Comet Backup cost?

Self-hosted plans start at $19/month (Starter) and go up to $99/month (Advanced), with cloud-hosted plans starting at $49/month (Professional). All plans charge $2 per endpoint per month for additional protected machines beyond the base license count.

Source
Comet Backup: What is the price difference between self-hosted and cloud-hosted deployments?

Cloud-hosted plans start at $49/month (Professional) versus self-hosted which starts at $19/month (Starter). The main advantage of cloud-hosted is Comet manages the console infrastructure, though both models charge the same per-endpoint fees.

Source
Comet Backup: Does Comet Backup charge for additional protected machines?

Yes, all plans charge $2 per endpoint per month beyond the licensed endpoints. For example, the Growth plan includes 2 self-hosted licenses, but each additional protected machine costs $2/month.

Source
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