Softwr

File Storage · head to head

Duplicati vs Transmission

Duplicati logo

Duplicati

File Storage

Free open-source backup with encryption

From
Free
Rated
-
Full reviewWebsite
Transmission logo

Transmission

Utilities

Free open source BitTorrent client known for a minimal interface and low resource use

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Duplicati no managed service or commercial support; Transmission it has no built in search tab, so finding torrents means using a separate browser tab or search engine, unlike qBittorrent.
  • They diverge on capability: Duplicati covers AES-256 encryption, Transmission covers Minimal interface.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Duplicati and Transmission actually diverge.

Attributes where Duplicati and Transmission differ
AttributeDuplicatiTransmission
Pricing modelUnknownOpen source, no licence fee
PlatformsWindows, macOS, LinuxMac, Windows, Linux
CategoryFile StorageUtilities
Founded2008Unknown

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
  • AWS S3
  • Azure

Only in Transmission

  • Minimal interface
  • transmission-daemon
  • Built in web UI
  • Low resource use
  • Bandwidth limits and scheduling
  • Wide platform and firmware support

What people use each for

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

Duplicati

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

Transmission

  • A user running torrents on a NAS, Raspberry Pi or router firmware where every bit of CPU and memory mattersnot Duplicati
  • Someone who wants the simplest possible torrent interface with no extra tabs or configuration to learnnot Duplicati
  • A user who wants headless remote operation without installing a separate web UI packagenot Duplicati
  • Anyone replacing a heavier client because Transmission uses noticeably less resource for the same workloadnot 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

Transmission

  • It has no built in search tab, so finding torrents means using a separate browser tab or search engine, unlike qBittorrent.
  • Its remote and thin-client capabilities, while functional through the web UI, are less complete than Deluge purpose-built daemon and thin-client separation.
  • The interface deliberately omits advanced features such as RSS automation that qBittorrent includes, so power users may find it too basic.
  • As with any torrent client, legal use depends entirely on the content being downloaded, which the app does not moderate.
  • Development pace has historically been slower than qBittorrent, with fewer new features added per year.

Pricing, plan by plan

Duplicati

Free

No published plan breakdown. See the Duplicati review.

Transmission

Free
  • TransmissionFree
    • Free and open source, no account needed
    • transmission-daemon with built in web UI
    • Low resource use on modest hardware

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.
Duplicati review

Choose Transmission if

  • You need minimal interface.
  • You want to start without paying.
  • You work on Mac, Windows, Linux.
  • You also want transmission-daemon.
Transmission review

Questions people ask

Is Duplicati or Transmission better?
Neither clearly leads. Duplicati starts at Free and Transmission at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Duplicati or Transmission?
Duplicati starts at Free and Transmission at Free.
Does Duplicati or Transmission run on more platforms?
Duplicati runs on Windows, macOS, Linux. Transmission runs on Mac, Windows, Linux.
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 Transmission is typically brought in for.
What can Duplicati do that Transmission cannot?
Duplicati covers AES-256 encryption, Incremental backup, Deduplication, Multiple cloud backends. Transmission covers Minimal interface, transmission-daemon, Built in web UI, Low resource use.

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
Transmission: Is Transmission free?

Yes, entirely, and it is open source with no paid tier or ads.

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
Transmission: Why is Transmission popular on NAS devices?

Because it runs as a lightweight daemon with low CPU and memory use and a built in web UI, which suits always-on, low powered hardware.

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
Transmission: Does Transmission have search built in?

No. Unlike qBittorrent, finding torrents requires a separate search tool outside the app.

Share

Related pages

More on Duplicati

More on Transmission

Keep looking

Other head to heads