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Arcserve UDP vs Duplicati

Arcserve UDP logo

Arcserve UDP

Software

Unified data protection for all workloads

From
$25/month
Rated
-
Full reviewWebsite
Duplicati logo

Duplicati

Software

Free open-source backup with encryption

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Duplicati has a free tier, so it costs nothing to try first.
  • Each has a real cost: Arcserve UDP multiple security vulnerabilities documented in 2025-2026 including authentication bypass and buffer overflow issues; Duplicati no managed service or commercial support
  • They diverge on capability: Arcserve UDP covers Assured recovery testing, Duplicati covers AES-256 encryption.

Where they differ

Only the attributes on which Arcserve UDP and Duplicati actually diverge.

Attributes where Arcserve UDP and Duplicati differ
AttributeArcserve UDPDuplicati
Starting price$25/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWindows, LinuxWindows, macOS, Linux
Founded19832008

Identical on both: user rating (Not yet rated), category (Unknown).

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 Arcserve UDP

  • Assured recovery testing
  • Instant VM recovery
  • Deep application support
  • Ransomware protection
  • Tape backup
  • Hardware snapshots
  • VMware
  • Hyper-V

Only in Duplicati

  • AES-256 encryption
  • Incremental backup
  • Deduplication
  • Multiple cloud backends
  • Compression
  • Web interface
  • AWS S3
  • Azure

Both cover

  • Windows support
  • Linux support
  • Web support

What people use each for

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

Arcserve UDP

  • Data protection
  • Disaster recovery
  • Business continuity
  • Ransomware protection
  • Compliance

Duplicati

  • Data protection
  • Disaster recovery
  • Business continuity
  • Ransomware protection
  • Compliance

Both are used for data protection, disaster recovery, business continuity, ransomware protection, compliance, on those jobs the choice comes down to price and fit rather than capability.

Where each one falls short

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

Arcserve UDP

  • Multiple security vulnerabilities documented in 2025-2026 including authentication bypass and buffer overflow issues
  • Slow restore speeds for large backup tasks and recovery operations
  • Requires full backup when changing drive sizes, causing extended backup windows

Duplicati

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

Pricing, plan by plan

Arcserve UDP

$25/month
  • UDP Premium$25/month
    • Assured recovery
    • Instant VM
    • Tape support

Duplicati

Free

No published plan breakdown. See the Duplicati review.

Which should you pick?

Choose Arcserve UDP if

  • You need assured recovery testing.
  • You work on Windows, Linux.
  • You also want instant vm recovery.
Arcserve UDP review

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.
Duplicati review

Questions people ask

Is Arcserve UDP or Duplicati better?
Neither clearly leads. Arcserve UDP starts at $25/month and Duplicati at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Arcserve UDP or Duplicati?
Duplicati has a free tier; the other does not. Paid plans start at $25/month for Arcserve UDP and Free for Duplicati.
Does Arcserve UDP or Duplicati run on more platforms?
Arcserve UDP runs on Windows, Linux. Duplicati runs on Windows, macOS, Linux.
Can I use Duplicati for free?
Yes. Duplicati has a free tier, so you can try it without paying. Arcserve UDP starts at $25/month.
What is Arcserve UDP best used for?
Arcserve UDP is most often used for data protection, disaster recovery, business continuity, ransomware protection.
What can Arcserve UDP do that Duplicati cannot?
Arcserve UDP covers Assured recovery testing, Instant VM recovery, Deep application support, Ransomware protection. Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends. Both handle Windows support, Linux support, Web support.

Answered from the vendors’ own pages

Arcserve UDP: What licensing model does Arcserve UDP use?

Arcserve UDP uses a capacity-based subscription model (Managed Capacity Program) where you license based on total front-end terabytes of protected data rather than per-device. Available in Standard, Advanced, and Premium editions.

Source
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
Arcserve UDP: Does Arcserve UDP support cloud backup?

Yes. Arcserve UDP integrates with multiple cloud providers including AWS, Microsoft Azure, Google Cloud, and Wasabi for offsite backup and disaster recovery storage.

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
Arcserve UDP: What hypervisors does Arcserve UDP support?

Arcserve UDP supports multiple hypervisors including VMware vSphere, Microsoft Hyper-V, KVM, and others, allowing granular recovery at the VM level with instant boot capabilities.

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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Related pages

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