Developer Tools
Left Inverse
Last updated 2026-07-30 · benchmark checked 2026-09-21 · unchanged since 2026-08-17 — deterministic & reproducible
Phantom Voice is a one-time-purchase local dictation app for macOS developers.
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To cite this score: legit.show/s/leftinverse-com/2026-09-21. That address never changes; this page moves with every re-measure.
Legit.Show scored Left Inverse 86/100 on 2026-09-21, measured across all 7 frames from its public surface. legit.show/s/leftinverse-com/2026-09-21
Is Left Inverse production-ready?
Legit.Show scores Left Inverse 86 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Left Inverse (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 91/100
- Accessibility — 100/100
- Security — 45/100How this compares across the catalogue: The Web Security Baseline
- Privacy — 100/100How this compares across the catalogue: The Privacy Gap
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 75/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 326 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.
Who built it
Willis Liao
Who it's for
Developers · macOS users · Code writers
Pricing
$10 one-time purchase; optional add-on indicators at $3 each (Retro Dog, Real Revolver, Piano Keys)
Sources and updates
- Description
- Taken from leftinverse.com's own website on 2026-07-30.
- Operator
- Left Inverse, as named in leftinverse.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 2026-09-21.
Put together from public information, without Left Inverse's involvement. If anything here is wrong, tell us and a person will check it.
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