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File Storage & Backup · head to head

Duplicati vs Duplicacy

Duplicati logo

Duplicati

File Storage & Backup

Free open-source backup with encryption

From
Free
Rated
-
Duplicacy logo

Duplicacy

Backup & Disaster Recovery

Lock-free deduplication cloud backup

From
Free
Rated
-

The short version

  • Each has a real cost: Duplicati no managed service or commercial support; Duplicacy web GUI pricing tier not specified on product page
  • They diverge on capability: Duplicati covers AES-256 encryption, Duplicacy covers Lock-free deduplication.

Where they differ

Only the attributes on which Duplicati and Duplicacy actually diverge.

Attributes where Duplicati and Duplicacy differ
AttributeDuplicatiDuplicacy
Pricing modelUnknownfreemium
PlatformsWindows, macOS, LinuxmacOS, Linux, Windows
CategoryFile Storage & BackupBackup & Disaster Recovery
Founded20082016

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

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 Duplicati

  • AES-256 encryption
  • Incremental backup
  • Deduplication
  • Multiple cloud backends
  • Compression
  • Web interface
  • Google Drive
  • SFTP

Only in Duplicacy

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

Both cover

  • AWS S3
  • Azure
  • Dropbox
  • OneDrive
  • Windows support
  • Mac support
  • Linux support
  • Web support

What people use each for

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

Duplicati

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

Duplicacy

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

Where each one falls short

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

Duplicati

  • No managed service or commercial support
  • Relies on community support
  • No enterprise features

Duplicacy

  • Web GUI pricing tier not specified on product page

Pricing, plan by plan

Duplicati

Free

No published plan breakdown. See the Duplicati review.

Duplicacy

Free

No published plan breakdown. See the Duplicacy review.

Which should you pick?

Choose Duplicati if

  • You need aes-256 encryption.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want incremental backup.

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.

Questions people ask

Is Duplicati or Duplicacy better?
Neither clearly leads. Duplicati starts at Free and Duplicacy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Duplicati or Duplicacy?
Duplicati starts at Free and Duplicacy at Free.
Does Duplicati or Duplicacy run on more platforms?
Duplicati runs on Windows, macOS, Linux. Duplicacy runs on macOS, Linux, Windows.
Can I use Duplicati for free?
Both have a free tier, so you can try either at no cost before committing.
What is Duplicati best used for?
Duplicati 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 Duplicati do that Duplicacy cannot?
Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends. Duplicacy covers Lock-free deduplication, Client-side encryption, Multiple computers, Erasure coding. Both handle AWS S3, Azure, Dropbox, OneDrive.

Answered from the vendors’ own pages

Duplicati: Is Duplicati free?

Yes. Duplicati is completely free and open-source under the LGPL license. There are no premium tiers, trials, or limitations.

Source
Duplicati: What does Duplicati support?

Duplicati supports zero-trust, fully encrypted backups to local storage, network drives, and cloud services. It includes deduplication and incremental backups.

Source
Duplicati: What are the platforms?

Duplicati runs on Windows, macOS, and Linux. It can back up data to local storage, network drives, or cloud providers.

Source

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