Productivity

Mossca

Last updated 2026-07-05 · benchmark measured 2026-08-09 — deterministic & reproducible

Desktop music player for macOS built for local lossless and high-resolution audio.

Is Mossca production-ready?

Legit.Show scores Mossca 74 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Mossca (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

• Performance — 60/100
• Accessibility — 90/100
• Security — 25/100
• Privacy — 70/100
• Reliability — 100/100
• Standards — 76/100
• Discoverability — 100/100

What we measured

• No Content-Security-Policy and no HSTS.
• Served over HTTPS with a valid certificate.
• Real Lighthouse performance run — 650 ms to first byte.
• Returns a proper 404 for unknown routes.
• 3 of 3 sampled routes reachable.
• Has a reachable privacy policy.
• Sets cookies / loads scripts with no consent prompt.
• Discoverable: structured data, sitemap, OpenGraph image, canonical URL.

Who built it

Fung (@MingxingZhang)

Who it's for

Audiophiles · Lossless music enthusiasts · DAC users · macOS users · Home listening enthusiasts

Pricing

$49.99 one-time payment (no subscription)

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