WinMerge vs UltraCompare

WinMerge9.0Visit UltraCompare8.6Visit

Higher score WinMerge #4 in Diff and Merge Tools 9.0/10 Free plan Free plan✓ 4 of 4 features Visit WinMerge

vs

UltraCompare #7 in Diff and Merge Tools 8.6/10 Paid ✓ 4 of 4 features Visit UltraCompare

• WinMerge fits best

  Windows users seeking a powerful open-source option

• UltraCompare fits best

  Enterprise users needing broad integrations and formats

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Side by side

Feature	WinMerge 9.0/10 Visit ↗	UltraCompare 8.6/10 Visit ↗
At a glance
Editor score	9.0	8.6
Ranking	#4 in Diff and Merge Tools	#7 in Diff and Merge Tools
Best for	Windows users seeking a powerful open-source option	Enterprise users needing broad integrations and formats
Pricing model	Free	Paid
Starting price	Free plan	$99.95/user/yr
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows, macOS, Linux
Support	Community, Docs	Email, Docs
Integrations	5 integrations	7 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features WinMerge 4/4 · UltraCompare 4/4
Three-way merge	✓	✓
Folder comparison	✓	✓
Git integration	✓	✓
Syntax highlighting	✓	✓
Specs
Platform support	Desktop	Desktop
Merge scope	Three_way	Three_way
Our review
Pros	Two-way and three-way comparison for files and folders Conflict resolution, filtering, syntax highlighting, and patch creation Windows Explorer integration, command-line support, and version-control connectors	Three-way comparison and merging for files and folders Git, Subversion, CVS, FTP, and SFTP integrations Supports documents, archives, remote files, and large files
Cons	Available as a Windows desktop application rather than a cross-platform tool GPL licensing may require review for some distribution models Volunteer-maintained project may not suit teams seeking a commercial vendor	No free plan Starts at $99.95 per user annually Sold through UltraEdit bundles rather than a standalone plan
Our verdict	WinMerge is a free, open-source Windows application for comparing and merging files and folders. It suits developers, version-control users, and technical teams that need visual two-way or three-way comparisons without adding a license… Read the review →	UltraCompare is a desktop diff and merge application for developers, IT administrators, QA teams, technical writers, and business users. It compares and merges text files, folders, binary files, Word documents, PDFs, spreadsheets,… Read the review →

Strengths and trade-offs

• WinMerge — where it wins

  • Two-way and three-way comparison for files and folders
  • Conflict resolution, filtering, syntax highlighting, and patch creation
  • Windows Explorer integration, command-line support, and version-control connectors

  Where it doesn't

  • Available as a Windows desktop application rather than a cross-platform tool
  • GPL licensing may require review for some distribution models
  • Volunteer-maintained project may not suit teams seeking a commercial vendor

• UltraCompare — where it wins

  • Three-way comparison and merging for files and folders
  • Git, Subversion, CVS, FTP, and SFTP integrations
  • Supports documents, archives, remote files, and large files

  Where it doesn't

  • No free plan
  • Starts at $99.95 per user annually
  • Sold through UltraEdit bundles rather than a standalone plan

• WinMerge9.0/10 · Free plan

  A free, open-source Windows diff and merge tool with strong comparison depth.

  Visit WinMergeFull verdict →
• UltraCompare8.6/10 · Paid

  A broad desktop diff and merge suite for teams working across formats and repositories.

  Visit UltraCompareFull verdict →