Softwr

Software · head to head

Duplicacy vs Spanning Backup

Duplicacy logo

Duplicacy

Software

Lock-free deduplication cloud backup

From
Free
Rated
-
Spanning Backup logo

Spanning Backup

Software

SaaS backup for Google Workspace and Microsoft 365

From
$4/month
Rated
-

The short version

  • Only Duplicacy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Duplicacy web GUI pricing tier not specified on product page; Spanning Backup cloud-only deployment; no on-premise or self-hosted options available
  • They diverge on capability: Duplicacy covers Lock-free deduplication, Spanning Backup covers Automated daily backup.

Where they differ

Only the attributes on which Duplicacy and Spanning Backup actually diverge.

Attributes where Duplicacy and Spanning Backup differ
AttributeDuplicacySpanning Backup
Starting priceFree$4/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsmacOS, Linux, WindowsCloud SaaS
Founded20162010

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 Duplicacy

  • Lock-free deduplication
  • Client-side encryption
  • Multiple computers
  • Erasure coding
  • Variable-size chunking
  • RSA encryption
  • AWS S3
  • Azure

Only in Spanning Backup

  • Automated daily backup
  • Point-in-time restore
  • Cross-user restore
  • eDiscovery
  • Unlimited storage
  • Admin delegation
  • Google Workspace
  • Microsoft 365

Both cover

  • Web support

What people use each for

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

Duplicacy

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

Spanning Backup

  • Cloud-to-cloud backup and disaster recovery for Microsoft 365 applicationsnot Duplicacy
  • Data protection and compliance management for Google Workspace and Salesforcenot 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

Spanning Backup

  • Cloud-only deployment; no on-premise or self-hosted options available

Pricing, plan by plan

Duplicacy

Free

No published plan breakdown. See the Duplicacy review.

Spanning Backup

$4/month
  • Spanning Backup$4/month
    • Daily backup
    • Point-in-time restore
    • Unlimited storage

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.

Choose Spanning Backup if

  • You need automated daily backup.
  • You work on Cloud SaaS.
  • You also want point-in-time restore.

Questions people ask

Is Duplicacy or Spanning Backup better?
Neither clearly leads. Duplicacy starts at Free and Spanning Backup at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Duplicacy or Spanning Backup?
Duplicacy has a free tier; the other does not. Paid plans start at Free for Duplicacy and $4/month for Spanning Backup.
Does Duplicacy or Spanning Backup run on more platforms?
Duplicacy runs on macOS, Linux, Windows. Spanning Backup runs on Cloud SaaS.
Can I use Duplicacy for free?
Yes. Duplicacy has a free tier, so you can try it without paying. Spanning Backup starts at $4/month.
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 Spanning Backup is typically brought in for.
What can Duplicacy do that Spanning Backup cannot?
Duplicacy covers Lock-free deduplication, Client-side encryption, Multiple computers, Erasure coding. Spanning Backup covers Automated daily backup, Point-in-time restore, Cross-user restore, eDiscovery. Both handle Web support.

Related pages

Other head to heads