Is Stackapella secure?

Legit.Show measured Stackapella's Security frame at 100/100. Security headers present: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy. Served over HTTPS with a valid certificate.

How does Legit.Show measure Stackapella?

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

Stackapella

Last updated 2026-10-30 · benchmark measured 2026-10-30 — deterministic & reproducible

Stackapella is a web app for learning to sing and recording a cappella arrangements.

84/100

7/7 frames

Top 40% of 18,490 measured · #16 of 27 in music learning app

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 2026-10-30 · scores move as sites change

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To cite this score: legit.show/s/stackapella-com/2026-10-30. That address never changes; this page moves with every re-measure.

Legit.Show scored Stackapella 84/100 on 2026-10-30, measured across all 7 frames from its public surface. legit.show/s/stackapella-com/2026-10-30

Is Stackapella production-ready?

Legit.Show scores Stackapella 84 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Stackapella (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Accessibility; its weakest is Privacy. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 97/100
Accessibility — 100/100
Security — 100/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 25/100
How this compares across the catalogue: The Privacy Gap
Reliability — 75/100
Standards — 92/100
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 — 330 ms to first byte.
3 of 3 sampled routes reachable.
No privacy policy found.
Sets cookies / loads scripts with no consent prompt.
Discoverable: structured data, sitemap, OpenGraph image, canonical URL.

Who it's for

Singers · Choirs · Solo vocalists · Music learners · A cappella enthusiasts

Pricing

Free to start. Plus: $3.33/month (annual, 33% discount) or $4.99/month. 7-day free trial.

Sources and updates

Description: Taken from stackapella.com's own website on 2026-10-30.
Operator: Hillel Coren, as named in stackapella.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 2026-10-30.

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

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