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Utilities · head to head

qBittorrent vs Syncthing

qBittorrent logo

qBittorrent

Utilities

Free open source BitTorrent client with a built in search tab and no thin-client remote mode

From
Free
Rated
-
Full reviewWebsite
Syncthing logo

Syncthing

Utilities

Continuous file synchronisation between your own devices

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: qBittorrent it lacks true thin-client remote operation, so controlling a qBittorrent instance running on another machine is less seamless than with Deluge without relying on third party tools.; Syncthing synchronisation, not backup: a deletion propagates to every device, and versioning must be configured deliberately
  • They diverge on capability: qBittorrent covers Built in search, Syncthing covers Peer-to-peer sync.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which qBittorrent and Syncthing actually diverge.

Attributes where qBittorrent and Syncthing differ
AttributeqBittorrentSyncthing
PlatformsMac, Windows, LinuxWindows, macOS, Linux, Android, Docker

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated), category (Utilities).

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 qBittorrent

  • Built in search
  • Sequential downloading
  • RSS automatic downloading
  • Bandwidth scheduling
  • Web UI
  • Category and tag organisation

Only in Syncthing

  • Peer-to-peer sync
  • Encrypted transport
  • File versioning
  • Selective sync

What people use each for

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

qBittorrent

  • A user who wants to search for torrents from inside the client rather than a separate browser tabnot Syncthing
  • Someone who wants a fuller desktop feature set, including RSS automation and bandwidth scheduling, at no costnot Syncthing
  • A user managing a moderate number of active torrents, comfortably a few hundred, on a desktop machinenot Syncthing
  • Anyone replacing a paid or ad-supported torrent client with a free, ad-free alternativenot Syncthing

Syncthing

  • Keeping files in step across personal machines without a cloud accountnot qBittorrent
  • Syncing data that must not sit on a third-party server for policy reasonsnot qBittorrent
  • Replacing a paid cloud storage subscription for sync-only needsnot qBittorrent

Where each one falls short

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

qBittorrent

  • It lacks true thin-client remote operation, so controlling a qBittorrent instance running on another machine is less seamless than with Deluge without relying on third party tools.
  • The web UI can start to lag once active torrent counts climb past roughly a thousand, which matters for a heavy seedbox user.
  • It generally uses more resources than Transmission for the same workload, which matters on a low powered NAS or always-on server.
  • As with any torrent client, legal use depends entirely on what content is being downloaded, and the app itself has no content moderation.
  • Its default interface, while functional, is denser and less minimal than Transmission simple design, which some users find harder to learn at first.

Syncthing

  • Synchronisation, not backup: a deletion propagates to every device, and versioning must be configured deliberately
  • Devices must be online simultaneously to sync, so an always-on machine is effectively required
  • Initial setup involves exchanging device IDs and is less approachable than signing into a cloud service
  • No web access to files, since there is no server holding them

Pricing, plan by plan

qBittorrent

Free
  • qBittorrentFree
    • Free and open source, no account needed
    • Built in search tab included
    • Web UI for remote access

Syncthing

Free
  • SyncthingFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose qBittorrent if

  • You need built in search.
  • You want to start without paying.
  • You work on Mac, Windows, Linux.
  • You also want sequential downloading.
qBittorrent review

Choose Syncthing if

  • You need peer-to-peer sync.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, Android, Docker.
  • You also want encrypted transport.
Syncthing review

Questions people ask

Is qBittorrent or Syncthing better?
Neither clearly leads. qBittorrent starts at Free and Syncthing at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, qBittorrent or Syncthing?
qBittorrent starts at Free and Syncthing at Free.
Does qBittorrent or Syncthing run on more platforms?
qBittorrent runs on Mac, Windows, Linux. Syncthing runs on Windows, macOS, Linux, Android, Docker.
Can I use qBittorrent for free?
Both have a free tier, so you can try either at no cost before committing.
What is qBittorrent best used for?
qBittorrent is most often used for a user who wants to search for torrents from inside the client rather than a separate browser tab, someone who wants a fuller desktop feature set, including rss automation and bandwidth scheduling, at no cost, a user managing a moderate number of active torrents, comfortably a few hundred, on a desktop machine, anyone replacing a paid or ad-supported torrent client with a free, ad-free alternative. Of those, a user who wants to search for torrents from inside the client rather than a separate browser tab and someone who wants a fuller desktop feature set, including rss automation and bandwidth scheduling, at no cost are not what Syncthing is typically brought in for.
What can qBittorrent do that Syncthing cannot?
qBittorrent covers Built in search, Sequential downloading, RSS automatic downloading, Bandwidth scheduling. Syncthing covers Peer-to-peer sync, Encrypted transport, File versioning, Selective sync.

Answered from the vendors’ own pages

qBittorrent: Is qBittorrent free?

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

Syncthing: Is Syncthing free?

Yes, open source with no licence fee and no storage costs, because there is no server.

qBittorrent: Does qBittorrent have built in search?

Yes, a search tab queries multiple torrent search engines directly inside the app, which Transmission and Deluge do not offer by default.

Syncthing: Is Syncthing a backup tool?

No. It synchronises, so deletions propagate. Use it alongside a real backup, not instead of one.

qBittorrent: Can I run qBittorrent headless on a server?

Yes, via its web UI, though Deluge specific thin-client mode gives more complete remote control for a dedicated daemon setup.

Syncthing: Do my files pass through anyone else’s servers?

No. Transfers are peer to peer and encrypted. Discovery and relay servers can help devices find each other, and relayed traffic remains encrypted end to end.

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