Business & Finance
LockMargin
Last updated 2026-09-10 · benchmark measured 2026-09-10 — deterministic & reproducible
Local-first invoicing software for freelancers, available for a one-time $49 payment.
Is LockMargin production-ready?
Legit.Show scores LockMargin 100 out of 100 — the simple average of its 5 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on LockMargin (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Security; its weakest is Discoverability. 5 of the seven frames returned a score; Performance and Accessibility were not measurable on this service and are recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — not measurable on this service (null — not scored as 0)
- Accessibility — not measurable on this service (null — not scored as 0)
- Security — 100/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
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 — 238 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
product account @lockmargin
Who it's for
Freelancers · Solo business owners · Independent professionals · Those seeking data privacy · Users avoiding subscriptions
Pricing
$49 one-time for Standard; Free Start plan with 5 clients/5 projects per 30 days
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