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Backup · head to head

Duplicacy vs HPE StoreOnce

Duplicacy logo

Duplicacy

Backup

Lock-free deduplication cloud backup

From
Free
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

  • Only Duplicacy has a free tier, so it costs nothing to try first.
  • They diverge on capability: Duplicacy covers Lock-free deduplication, HPE StoreOnce covers StoreOnce Catalyst.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Duplicacy and HPE StoreOnce actually diverge.

Attributes where Duplicacy and HPE StoreOnce differ
AttributeDuplicacyHPE StoreOnce
Starting priceFree$5000/one-time
Pricing modelfreemiumone-time
Free tierYesNo
PlatformsmacOS, Linux, WindowsLinux, Web
Founded20162015

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 Duplicacy

  • Lock-free deduplication
  • Client-side encryption
  • Multiple computers
  • Erasure coding
  • Variable-size chunking
  • RSA encryption
  • 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.

Duplicacy

  • Client-side encrypted cloud backupsnot HPE StoreOnce
  • Lock-free deduplication for efficient backup storagenot HPE StoreOnce
  • Multi-destination backup supportnot HPE StoreOnce

HPE StoreOnce

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

Where each one falls short

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

Duplicacy

  • Web GUI pricing tier not specified on product page

HPE StoreOnce

Nothing recorded yet. See the HPE StoreOnce review.

Pricing, plan by plan

Duplicacy

Free

No published plan breakdown. See the Duplicacy review.

HPE StoreOnce

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

Which should you pick?

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

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 Duplicacy or HPE StoreOnce better?
Neither clearly leads. Duplicacy starts at Free 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, Duplicacy or HPE StoreOnce?
Duplicacy has a free tier; the other does not. Paid plans start at Free for Duplicacy and $5000/one-time for HPE StoreOnce.
Does Duplicacy or HPE StoreOnce run on more platforms?
Duplicacy runs on macOS, Linux, Windows. HPE StoreOnce runs on Linux, Web.
Can I use Duplicacy for free?
Yes. Duplicacy has a free tier, so you can try it without paying. HPE StoreOnce starts at $5000/one-time.
What is Duplicacy best used for?
Duplicacy is most often used for client-side encrypted cloud backups, lock-free deduplication for efficient backup storage, multi-destination backup support. Of those, client-side encrypted cloud backups and lock-free deduplication for efficient backup storage are not what HPE StoreOnce is typically brought in for.
What can Duplicacy do that HPE StoreOnce cannot?
Duplicacy covers Lock-free deduplication, Client-side encryption, Multiple computers, Erasure coding. 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

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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