Legit.Show measured Curier's Security frame at 45/100. Security headers present: HSTS. Served over HTTPS with a valid certificate.

How does Legit.Show measure Curier?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

Productivity

Curier

Last updated 2026-10-28 · benchmark measured 2026-10-28 — deterministic & reproducible

Curier is a small open-source email client for macOS that groups mail into feeds.

58/100

7/7 frames

Top 95% of 18,257 measured · #40 of 40 in email client

Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.

Checked 2026-10-28 · scores move as sites change

Are you the maker of Curier? Claim this listing. It is free, takes a meta tag, a DNS record or GitHub admin rights, and never changes the score.

Launched something? Add your product, free.

To cite this score: legit.show/s/iamflowz-github-io-curier/2026-10-28. That address never changes; this page moves with every re-measure.

Legit.Show scored Curier 58/100 on 2026-10-28, measured across all 7 frames from its public surface. legit.show/s/iamflowz-github-io-curier/2026-10-28

Is Curier production-ready?

Legit.Show scores Curier 58 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Curier (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Discoverability. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 72/100
Accessibility — 89/100
Security — 45/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 25/100
How this compares across the catalogue: The Privacy Gap
Reliability — 92/100
Standards — 67/100
Discoverability — 15/100

What we measured

Security headers present: HSTS.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 158 ms to first byte.
Returns a proper 404 for unknown routes.
0 of 0 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.

Who it's for

macOS users · newsletter readers · privacy-conscious individuals · lightweight email client seekers

Pricing

Free

Sources and updates

Description: Taken from iamflowz.github.io's own website on 2026-10-28.
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 2026-10-28.

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

Visit Curier → · Alternatives to Curier → · How this was measured →