Legit.Show measured bytemail's Security frame at 100/100. Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy. Served over HTTPS with a valid certificate.

How does Legit.Show measure bytemail?

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

bytemail

Last updated 2026-11-03 · benchmark measured 2026-11-03 — deterministic & reproducible

A fast, native email client for macOS that keeps your mail off third-party servers.

87/100

7/7 frames

Top 27% of 18,257 measured · #12 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 2026-11-03 · scores move as sites change

Are you the maker of bytemail? 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/bytemailapp-com/2026-11-03. That address never changes; this page moves with every re-measure.

Legit.Show scored bytemail 87/100 on 2026-11-03, measured across all 7 frames from its public surface. legit.show/s/bytemailapp-com/2026-11-03

Is bytemail production-ready?

Legit.Show scores bytemail 87 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on bytemail (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Reliability. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 99/100
Accessibility — 97/100
Security — 100/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 100/100
How this compares across the catalogue: The Privacy Gap
Reliability — 45/100
Standards — 86/100
Discoverability — 85/100

What we measured

Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 1935 ms to first byte.
0 of 3 sampled routes reachable.
Has a reachable privacy policy.
Sets cookies / loads scripts with no consent prompt.
Discoverable: sitemap, OpenGraph image, canonical URL.

Who it's for

Mac users · Engineers · AI enthusiasts · Multi-account email managers · Privacy-conscious professionals

Pricing

Free 7-day trial, then $3.99/month or $39.90/year; lifetime license option available

Sources and updates

Description: Taken from bytemailapp.com's own website on 2026-11-03.
Operator: Sergey Karakhanyan, as named in bytemailapp.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 2026-11-03.

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

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