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Software · head to head

Carbonite vs Duplicacy

Carbonite logo

Carbonite

Software

Simple and reliable cloud backup for businesses

From
$6/month
Rated
-
Full reviewWebsite
Duplicacy logo

Duplicacy

Software

Lock-free deduplication cloud backup

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Duplicacy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Carbonite upload speeds are significantly slower than competitors due to lack of block-level algorithms and multithreading; Duplicacy web GUI pricing tier not specified on product page
  • They diverge on capability: Carbonite covers Automatic backup, Duplicacy covers Lock-free deduplication.

Where they differ

Only the attributes on which Carbonite and Duplicacy actually diverge.

Attributes where Carbonite and Duplicacy differ
AttributeCarboniteDuplicacy
Starting price$6/monthFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsWindows, Mac, WebmacOS, Linux, Windows
Founded20052016

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 Carbonite

  • Automatic backup
  • Continuous protection
  • Remote file access
  • Bare metal restore
  • Encryption
  • Compliance support
  • Microsoft 365
  • Windows Server

Only in Duplicacy

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

Both cover

  • Windows support
  • Mac support
  • Web support

What people use each for

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

Carbonite

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

Duplicacy

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

Where each one falls short

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

Carbonite

  • Upload speeds are significantly slower than competitors due to lack of block-level algorithms and multithreading
  • Bandwidth throttling control is limited, preventing users from managing full bandwidth allocation
  • Mobile apps and web access are more limited than sync-first services like Dropbox or Google Drive
  • Uses AES-128 encryption instead of industry-standard AES-256
  • Hybrid backup support is restricted to professional plans, unavailable for personal users

Duplicacy

  • Web GUI pricing tier not specified on product page

Pricing, plan by plan

Carbonite

$6/month
  • Basic$6/month
    • Automatic backup
    • Unlimited cloud storage
    • Easy restore

Duplicacy

Free

No published plan breakdown. See the Duplicacy review.

Which should you pick?

Choose Carbonite if

  • You need automatic backup.
  • You work on Windows, Mac, Web.
  • You also want continuous protection.
Carbonite review

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.
Duplicacy review

Questions people ask

Is Carbonite or Duplicacy better?
Neither clearly leads. Carbonite starts at $6/month and Duplicacy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Carbonite or Duplicacy?
Duplicacy has a free tier; the other does not. Paid plans start at $6/month for Carbonite and Free for Duplicacy.
Does Carbonite or Duplicacy run on more platforms?
Carbonite runs on Windows, Mac, Web. Duplicacy runs on macOS, Linux, Windows.
Can I use Duplicacy for free?
Yes. Duplicacy has a free tier, so you can try it without paying. Carbonite starts at $6/month.
What is Carbonite best used for?
Carbonite 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 Carbonite do that Duplicacy cannot?
Carbonite covers Automatic backup, Continuous protection, Remote file access, Bare metal restore. Duplicacy covers Lock-free deduplication, Client-side encryption, Multiple computers, Erasure coding. Both handle Windows support, Mac support, Web support.

Answered from the vendors’ own pages

Carbonite: Does Carbonite offer unlimited storage?

Yes, Carbonite's personal plans (Safe Basic through Safe Server Ultimate) offer unlimited cloud storage, though business plans have tiered storage starting at 250 GB.

Source
Carbonite: What is Carbonite's pricing?

Personal plans range from $4.91 to $83.33 per month with annual billing. Business plans start around $50-$75 per endpoint annually, with volume discounts available for multi-year contracts.

Source
Carbonite: How fast are Carbonite's upload speeds?

Carbonite's upload speeds are notably slow and are consistently identified as the platform's main weakness. The lack of block-level algorithms and multithreading contributes to these speed limitations.

Source
Carbonite: What encryption does Carbonite use?

Carbonite uses AES-128 encryption at rest, which is an unusual choice in 2026 when AES-256 is the industry standard.

Source
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