Productivity

Gamma PDF

Last updated 2026-11-14 · benchmark measured 2026-11-14 — deterministic & reproducible

Open-source PDF reader with annotation, outliner notes, and AI for researchers.

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To cite this score: legit.show/s/gammapdf-com/2026-11-14. That address never changes; this page moves with every re-measure.

Legit.Show scored Gamma PDF 91/100 on 2026-11-14, measured across all 7 frames from its public surface. legit.show/s/gammapdf-com/2026-11-14

Is Gamma PDF production-ready?

Legit.Show scores Gamma PDF 91 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Gamma PDF (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 76/100
• Accessibility — 94/100
• Security — 80/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 100/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 86/100
• Discoverability — 100/100

What we measured

• Security headers present: CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
• No HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 22 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Researchers · Students · Paper readers · Knowledge workers · Teams

Pricing

Free (open source desktop app and self-hosted server); Lite $2/month or $20/year; Plus $5/month or $50/year; Pro $20/month or $200/year

Sources and updates

Description

Taken from gammapdf.com's own website on 2026-11-14.

Operator

Tim (tim4431), as named in gammapdf.com's terms, privacy page or footer.

Benchmark

Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-11-14.

Put together from public information, without Gamma PDF's involvement. If anything here is wrong, tell us and a person will check it.

Visit Gamma PDF → · Alternatives to Gamma PDF → · How this was measured →