Productivity
Key Opera
Last updated 2026-07-26 · benchmark measured 2026-08-13 — deterministic & reproducible
Mac app that plays mechanical keyboard sounds on any keyboard for $3.
65/100
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.
Is Key Opera production-ready?
Legit.Show scores Key Opera 65 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Key Opera (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 — 85/100
- Accessibility — 87/100
- Security — 25/100
- Privacy — 25/100
- Reliability — 100/100
- Standards — 85/100
- Discoverability — 47/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 82 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 it's for
Mac users · Remote workers · Open office employees · Accessibility users · Power users
Pricing
$3
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