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Backup · head to head

Altaro VM Backup vs Comet Backup

Altaro VM Backup logo

Altaro VM Backup

Backup

Simple and powerful VM backup for SMBs

From
$595/perpetual
Rated
-
Full reviewWebsite
Comet Backup logo

Comet Backup

Backup

White-label backup software for service providers

From
$19/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Altaro VM Backup limited to small and medium-market businesses with up to 50 host servers; Comet Backup per-endpoint costs ($2/month per endpoint) can add up for large deployments with many protected machines
  • They diverge on capability: Altaro VM Backup covers Augmented inline dedup, Comet Backup covers White-label branding.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Altaro VM Backup and Comet Backup actually diverge.

Attributes where Altaro VM Backup and Comet Backup differ
AttributeAltaro VM BackupComet Backup
Starting price$595/perpetual$19/month
Pricing modelUnknownsubscription
PlatformsWindows ServerWindows, macOS, Linux
Founded20092017

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 Altaro VM Backup

  • Augmented inline dedup
  • WAN-optimized replication
  • Boot from backup
  • Granular restore
  • Cloud management
  • Continuous CDP
  • VMware
  • Hyper-V

Only in Comet Backup

  • White-label branding
  • Bring your own storage
  • End-to-end encryption
  • Chunking deduplication
  • Delta compression
  • Multi-tenant
  • Google Cloud
  • Backblaze B2

Both cover

  • Azure
  • AWS S3
  • Wasabi
  • Windows support
  • Web support

What people use each for

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

Altaro VM Backup

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

Comet Backup

  • MSP backup and disaster recovery solutionsnot Altaro VM Backup
  • Cloud-to-cloud backup automationnot Altaro VM Backup
  • Ransomware protection with immutable storagenot Altaro VM Backup

Where each one falls short

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

Altaro VM Backup

  • Limited to small and medium-market businesses with up to 50 host servers
  • Perpetual license model outdated compared to modern cloud-based backup solutions
  • Lacks enterprise-grade features for large-scale deployments
  • Offsite backup to cloud requires additional setup and configuration

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

Pricing, plan by plan

Altaro VM Backup

$595/perpetual

No published plan breakdown. See the Altaro VM Backup review.

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

Which should you pick?

Choose Altaro VM Backup if

  • You need augmented inline dedup.
  • You work on Windows Server.
  • You also want wan-optimized replication.
Altaro VM Backup review

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

Questions people ask

Is Altaro VM Backup or Comet Backup better?
Neither clearly leads. Altaro VM Backup starts at $595/perpetual and Comet Backup at $19/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Altaro VM Backup or Comet Backup?
Altaro VM Backup starts at $595/perpetual and Comet Backup at $19/month.
Does Altaro VM Backup or Comet Backup run on more platforms?
Altaro VM Backup runs on Windows Server. Comet Backup runs on Windows, macOS, Linux.
What is Altaro VM Backup best used for?
Altaro VM Backup is most often used for data protection, disaster recovery, business continuity, ransomware protection. Of those, data protection and disaster recovery are not what Comet Backup is typically brought in for.
What can Altaro VM Backup do that Comet Backup cannot?
Altaro VM Backup covers Augmented inline dedup, WAN-optimized replication, Boot from backup, Granular restore. Comet Backup covers White-label branding, Bring your own storage, End-to-end encryption, Chunking deduplication. Both handle Azure, AWS S3, Wasabi, Windows support.

Answered from the vendors’ own pages

Altaro VM Backup: What is the price per host for Altaro VM Backup?

Altaro VM Backup pricing starts at $595 per host for the Standard Edition, with the Unlimited Edition at $695 per host and Unlimited Plus at $875 per host. Pricing includes the first year of priority support and updates.

Source
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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