Developer Tools
Diff Pro Max
Last updated 2026-08-31 · benchmark measured 2026-08-31 — deterministic & reproducible
Diff Pro Max is a file comparison and version management tool for Mac and Windows.
Is Diff Pro Max production-ready?
Legit.Show scores Diff Pro Max 65 out of 100 — the simple average of its 6 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Diff Pro Max (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. 6 of the seven frames returned a score; Accessibility was not measurable on this service and is recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 80/100
- Accessibility — not measurable on this service (null — not scored as 0)
- Security — 20/100
- Privacy — 45/100
- Reliability — 90/100
- Standards — 75/100
- Discoverability — 77/100
What we measured
- Security headers present: X-Content-Type-Options.
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 1229 ms to first byte.
- Returns a proper 404 for unknown routes.
- 2 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who built it
Who it's for
Developers · Code reviewers · Designers · Content creators · Project managers
Pricing
Free (limited features) or $14.99 one-time purchase for Pro (Mac App Store US price; varies by region and store)
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