Education & Reference
Kotobi
Last updated 2026-09-11 · benchmark measured 2026-09-11 — deterministic & reproducible
Kotobi is a personalized vocabulary app for learning words relevant to your own situations.
Is Kotobi production-ready?
Legit.Show scores Kotobi 88 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Kotobi (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 74/100
- Accessibility — 92/100
- Security — 55/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 92/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS, X-Content-Type-Options.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 182 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
Ali Calimli (@alicalimli_dev) · product account @trykotobi
Who it's for
Language learners · Professionals · Students · Self-directed learners · Multilingual people
Pricing
$79 annual (Founding Member, 49% off standard monthly rate, locked price) or $10.39/month for first 3 months then $12.99/month; 7-day and 3-day free trials available
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