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Head-to-head · Diff and Merge Tools

Diffract vs UltraCompare

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Diffract #2 in Diff and Merge Tools 9.3/10 Free plan · 7-day trial Free planFree trial✓ 4 of 4 features Visit Diffract

Diffract leads on 1 check, UltraCompare on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDiffract · 9.3/10
  • Free planonly Diffract
  • Free trialonly Diffract

Diffract scores higher on our rubric for diff and merge tools: 9.3 against 8.6 out of 10; our editors rank them #2 and #7.

Diffract offers free plan; UltraCompare doesn't.

Diffract is the better fit for free-first desktop diff and merge workflows. UltraCompare is the better fit for enterprise users needing broad integrations and formats.

  • Diffract fits best

    Free-first desktop diff and merge workflows

  • UltraCompare fits best

    Enterprise users needing broad integrations and formats

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Diffract 9.3/10 Visit ↗ UltraCompare 8.6/10 Visit ↗
At a glance
Editor score 9.3 8.6
Ranking #2 in Diff and Merge Tools #7 in Diff and Merge Tools
Best for Free-first desktop diff and merge workflows Enterprise users needing broad integrations and formats
Pricing model Free plan + paid Paid
Starting price $34/seat one-time $99.95/user/yr
Free plan ✓ (best) —
Free trial 7 days —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Email, Docs Email, Docs
Integrations 1 integrations 7 integrations
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features Diffract 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
  • Free plan includes unlimited file and directory diffs
  • Supports Windows, macOS, and Linux
  • Pro adds three-way merge, Git, and document comparison
  • 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
  • Three-way merge is available only in Pro
  • The product is focused on desktop workflows
  • Git is the listed integration
  • No free plan
  • Starts at $99.95 per user annually
  • Sold through UltraEdit bundles rather than a standalone plan
Our verdict

Diffract is a desktop diff and merge application for developers working with source code, folders, documents, and binary files. It runs on Windows, macOS, and Linux, and supports both graphical and command-line workflows. The Free plan…

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 →
  1. DiffractDiff and Merge Tools 9.3Free plan · 7-day trial
  2. UltraCompareDiff and Merge Tools 8.6Paid

Strengths and trade-offs

  • Diffract — where it wins

    • Free plan includes unlimited file and directory diffs
    • Supports Windows, macOS, and Linux
    • Pro adds three-way merge, Git, and document comparison

    Where it doesn't

    • Three-way merge is available only in Pro
    • The product is focused on desktop workflows
    • Git is the listed integration
  • 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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update