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Diff Doc vs UltraCompare

Both stand on document comparison software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Diff Doc

Free trial Windows

Diff Doc combines broad file-format coverage with folder comparison, reports, and automation features in a Windows desktop product. It is paid software, but the maker offers a 30-day trial and money-back guarantee on purchases.

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UltraCompare

Free trial LinuxMacWindows

Pick UltraCompare for multi-file, folder, tabular, archive, and remote comparison work with Git or other version-control systems. Look elsewhere if you need a permanently free tool or coverage beyond the personal license's machine allowance.

Visit UltraCompare

The facts

Diff DocUltraCompare
Free planA free trialA free trial
Open sourceNot publishedNot published
Runs onWindowsLinux, Mac, Windows
Lowest paid planDiff Doc Professional: $499.95, paid onceUltraEdit Core Subscription: $99.95 a year
Plans published14
MakerNot publishedNot published
Websitesoftinterface.comultraedit.com
On document comparison software#18 of 25#22 of 25

Diff Doc: what it does well

  • Compares PDF, Office, and several other file formats.
  • Offers word- or letter-level comparison views.
  • Can compare folders before detailed file review.
  • Supports command-line and scheduled comparisons.
  • Privacy Mode prevents cross-session loading or saving of paths.

What to know first

  • No free plan.
  • Paid; pricing starts at $299.95.
  • Listed for Windows; Mac use requires Parallels or VMware Fusion.
  • Free trial lasts 30 days.

UltraCompare: what it does well

  • Compares and merges two or three files side by side
  • Supports folder comparison, merging, and synchronization
  • Integrates with Git, Subversion, and CVS
  • Compares ZIP, RAR, and JAR contents without extraction
  • Handles large files with every license

What to know first

  • There is no free plan
  • A license is required after the 30-day Windows trial
  • Personal licenses cover up to three machines
  • Subscriptions and perpetual plans require paid purchase

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