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Backup · head to head

Altaro VM Backup vs Duplicacy

Altaro VM Backup logo

Altaro VM Backup

Backup

Simple and powerful VM backup for SMBs

From
$595/perpetual
Rated
-
Full reviewWebsite
Duplicacy logo

Duplicacy

Backup

Lock-free deduplication cloud backup

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Duplicacy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Altaro VM Backup limited to small and medium-market businesses with up to 50 host servers; Duplicacy web GUI pricing tier not specified on product page
  • They diverge on capability: Altaro VM Backup covers Augmented inline dedup, Duplicacy covers Lock-free deduplication.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Altaro VM Backup and Duplicacy differ
AttributeAltaro VM BackupDuplicacy
Starting price$595/perpetualFree
Pricing modelUnknownfreemium
Free tierNoYes
PlatformsWindows ServermacOS, Linux, Windows
Founded20092016

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 Altaro VM Backup

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

Only in Duplicacy

  • Lock-free deduplication
  • Client-side encryption
  • Multiple computers
  • Erasure coding
  • Variable-size chunking
  • RSA encryption
  • Google Cloud
  • Backblaze B2

Both cover

  • Azure
  • AWS S3
  • 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 Duplicacy
  • Disaster recoverynot Duplicacy
  • Business continuitynot Duplicacy
  • Ransomware protectionnot Duplicacy
  • Compliancenot Duplicacy

Duplicacy

  • Client-side encrypted cloud backupsnot Altaro VM Backup
  • Lock-free deduplication for efficient backup storagenot Altaro VM Backup
  • Multi-destination backup supportnot 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

Duplicacy

  • Web GUI pricing tier not specified on product page

Pricing, plan by plan

Altaro VM Backup

$595/perpetual

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

Duplicacy

Free

No published plan breakdown. See the Duplicacy review.

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 Duplicacy if

  • You need lock-free deduplication.
  • You want to start without paying.
  • You work on macOS, Linux, Windows.
  • You also want client-side encryption.
Duplicacy review

Questions people ask

Is Altaro VM Backup or Duplicacy better?
Neither clearly leads. Altaro VM Backup starts at $595/perpetual and Duplicacy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Altaro VM Backup or Duplicacy?
Duplicacy has a free tier; the other does not. Paid plans start at $595/perpetual for Altaro VM Backup and Free for Duplicacy.
Does Altaro VM Backup or Duplicacy run on more platforms?
Altaro VM Backup runs on Windows Server. Duplicacy runs on macOS, Linux, Windows.
Can I use Duplicacy for free?
Yes. Duplicacy has a free tier, so you can try it without paying. Altaro VM Backup starts at $595/perpetual.
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 Duplicacy is typically brought in for.
What can Altaro VM Backup do that Duplicacy cannot?
Altaro VM Backup covers Augmented inline dedup, WAN-optimized replication, Boot from backup, Granular restore. Duplicacy covers Lock-free deduplication, Client-side encryption, Multiple computers, Erasure coding. Both handle Azure, AWS S3, Windows support, Web 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
Duplicacy: What is the cost of the Duplicacy command line version for commercial use?

The commercial license for Duplicacy's command line version costs $50 per machine per year. The CLI version is free for individual users.

Source
Duplicacy: Is pricing available for the Duplicacy Web GUI edition?

No pricing information is provided for the Web Edition (GUI) on the Duplicacy website. You would need to contact [email protected] for Web Edition pricing details.

Source
Duplicacy: Are volume discounts available for IT service providers?

Yes, volume discounts are available for IT service providers and resellers. Contact [email protected] to discuss volume pricing options.

Source
Duplicacy: What backup modes and features are included in the free version?

The free version includes file, disk, partition, and system backup with full, incremental, and differential backup modes. It also offers scheduled backups, encryption, and emergency disk creation.

Source
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