Head-to-head · Diff and Merge Tools
Code Compare vs Altova DiffDog
Code Compare leads on 1 check, Altova DiffDog 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 scoreCode Compare · 8.3/10
- Free planonly Code Compare
- Free trialonly Altova DiffDog
Code Compare scores higher on our rubric for diff and merge tools: 8.3 against 7.7 out of 10; our editors rank them #10 and #16.
Code Compare offers free plan; Altova DiffDog doesn't.
Code Compare is the better fit for windows developers wanting free and paid depth. Altova DiffDog is the better fit for XML and database comparison specialists.
- Code Compare fits best
Windows developers wanting free and paid depth
- Altova DiffDog fits best
XML and database comparison specialists
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Side by side
| Feature | Code Compare 8.3/10 Visit ↗ | Altova DiffDog 7.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.3 | 7.7 |
| Ranking | #10 in Diff and Merge Tools | #16 in Diff and Merge Tools |
| Best for | Windows developers wanting free and paid depth | XML and database comparison specialists |
| Pricing model | Free plan + paid | Paid |
| Starting price | $69.95 one-time | — |
| Free plan | ✓ (best) | — |
| Free trial | — | 30 days |
| Deployment | Desktop | Desktop |
| Platforms | Windows | Windows |
| Support | Email, Community, Docs | Tickets, Docs, Community |
| Integrations | 8 integrations | 3 integrations |
| Built for | Solo, Small business, Mid-market | Small business, Mid-market, Enterprise |
| Features Code Compare 4/4 · Altova DiffDog 4/4 | ||
| Three-way merge | ✓ | ✓ |
| Folder comparison | ✓ | ✓ |
| Git integration | ✓ | ✓ |
| Syntax highlighting | ✓ | ✓ |
| Specs | ||
| Platform support | Desktop | Desktop |
| Merge scope | Three_way | Three_way |
| Our review | ||
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| Our verdict | Code Compare is a Windows desktop tool for comparing and merging files, folders, and source code. It suits developers and software teams that need visual diffs, folder synchronization, version-control integrations, or a merge utility… Read the review → |
Altova DiffDog is a Windows desktop application for developers and IT professionals who need to compare, merge, and synchronize files or folders. Its scope covers text and source-code files, XML and JSON documents, folders, directories,… Read the review → |
Strengths and trade-offs
Code Compare — where it wins
- Free two-way file, folder, and merge features
- Pro adds three-way and structural source-code comparison
- Integrates with Git, Visual Studio, and Windows Explorer
Where it doesn't
- Available only for Windows desktop
- Three-way comparison and merge require Pro
- Structural comparison is limited to supported programming languages
Altova DiffDog — where it wins
- XML-aware comparison plus XML Schema and database support
- Two-way and three-way merging with folder synchronization
- Git integration and diff reports in text, XML, or HTML
Where it doesn't
- Windows-only desktop coverage
- No free plan; the product is paid
- Enterprise-only support for Word, CSV, and database comparisons
- Code Compare8.3/10 · Free plan
A capable Windows diff tool with a free edition and deeper Pro merging features.
Visit Code CompareFull verdict → - Altova DiffDog7.7/10 · 30-day trial
A specialist Windows diff tool for XML, database, folder, and three-way comparisons.
Visit Altova DiffDogFull verdict →
All diff and merge tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update