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

How does Legit.Show measure Keytones?

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

Keytones

Last updated 2026-08-05 · benchmark checked 2026-09-12 · unchanged since 2026-08-11 — deterministic & reproducible

Mac menu bar app that adds customizable key sounds and visual feedback while typing.

72/100

7/7 frames

Top 69% of 14,778 measured

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 2026-09-12 · scores move as sites change

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To cite this score: legit.show/s/subclassed-com/2026-09-12. That address never changes; this page moves with every re-measure.

Legit.Show scored Keytones 72/100 on 2026-09-12, measured across all 7 frames from its public surface. legit.show/s/subclassed-com/2026-09-12

Is Keytones production-ready?

Legit.Show scores Keytones 72 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Keytones (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Performance; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 100/100
Accessibility — 90/100
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 — 100/100
Standards — 85/100
Discoverability — 60/100

What we measured

Security headers present: HSTS.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 801 ms to first byte.
Returns a proper 404 for unknown routes.
3 of 3 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.

Who built it

Stefan Keller

Who it's for

Mac users · Typists · Productivity enthusiasts · Accessibility users · Remote workers

Pricing

One time purchase, no subscription

Sources and updates

Description: Taken from subclassed.com's own website on 2026-08-05.
Operator: subclassed.com, Stefan Keller, as named in subclassed.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 2026-09-12.

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

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