Productivity

Margin

Last updated 2026-09-17 · benchmark measured 2026-09-17 — deterministic & reproducible

Margin is a one-time-purchase PDF reader for studying on a Mac with inline notes.

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To cite this score: legit.show/s/marginstudy-app/2026-09-17. That address never changes; this page moves with every re-measure.

Legit.Show scored Margin 83/100 on 2026-09-17, measured across all 7 frames from its public surface. legit.show/s/marginstudy-app/2026-09-17

Is Margin production-ready?

Legit.Show scores Margin 83 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Margin (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 68/100
• Accessibility — 94/100
• Security — 80/100
  How this compares across the catalogue: The Web Security Baseline
• Privacy — 45/100
  How this compares across the catalogue: The Privacy Gap
• Reliability — 100/100
• Standards — 92/100
• 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 — 192 ms to first byte.
• Returns a proper 404 for unknown routes.
• 2 of 2 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.

Who it's for

Students · Textbook readers · Mac users

Pricing

$39 USD one time; $19 USD for students (one time)

Sources and updates

Description

Taken from marginstudy.app's own website on 2026-09-17.

Operator

Margin, as named in marginstudy.app'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 2026-09-17.

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

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