Head-to-head · Diff and Merge Tools
Diffract vs UltraCompare
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 |
|
|
| Cons |
|
|
| 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 → |
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
- Diffract9.3/10 · Free plan · 7-day trial
A capable free-first diff tool with cross-platform support and Pro merging features.
Visit DiffractFull verdict → - UltraCompare8.6/10 · Paid
A broad desktop diff and merge suite for teams working across formats and repositories.
Visit UltraCompareFull verdict →
More comparisons
- Beyond Compare vs Diffract
- Beyond Compare vs UltraCompare
- Diffract vs P4Merge
- Diffract vs WinMerge
- Diffract vs SourceGear DiffMerge
- Diffract vs DeltaWalker
- Diffract vs KDiff3
- P4Merge vs UltraCompare
All diff and merge tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






