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

How does Legit.Show measure SignalAI?

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

SignalAI

Last updated 2026-08-22 · benchmark measured 2026-09-26 — deterministic & reproducible

AI email monitor that reads your inbox and texts you when something is urgent.

76/100

7/7 frames

Top 57% of 14,181 measured · #22 of 32 in email client

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 2026-09-26 · scores move as sites change

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To cite this score: legit.show/s/signal-worklessapp-com/2026-09-26. That address never changes; this page moves with every re-measure.

Legit.Show scored SignalAI 76/100 on 2026-09-26, measured across all 7 frames from its public surface. legit.show/s/signal-worklessapp-com/2026-09-26

Is SignalAI production-ready?

Legit.Show scores SignalAI 76 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on SignalAI (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 — 87/100
Accessibility — 88/100
Security — 45/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 75/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 85/100
Discoverability — 50/100

What we measured

Security headers present: HSTS.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 241 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

product account @signalaiapp

Who it's for

Busy professionals · Email-heavy workers · Gmail users · Outlook users · People managing high email volume

Pricing

14 days free, then $14/month (Pro, up to 1,500 emails) or $18/month (Pro+, up to 3,000 emails)

Sources and updates

Description: Taken from signal.worklessapp.com's own website on 2026-08-22.
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 2026-09-26.

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

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