Boring, public, measurable.
No marketing claims without numbers. This page is the running scoreboard — content quality, security, moderation, transparency.
Content quality · last 90 days
We don't claim "100% accurate". We claim a low, measured, decreasing error rate with fast fix-times. Numbers below are computed nightly.
Moderation & verification · last 90 days
What we publish
Content accuracy
Every MCQ has a flag-and-fix path. Reporters credited. We publish the error-rate, multi-reviewer-rate, and time-to-fix monthly.
Mentor verification
Verified mentors meet a documented bar (rank ≥ AIR 1000 OR ≥5 yrs teaching). Annual re-verification. Public count below.
Security incidents
Post-mortems within 5 business days. Severity-graded. Linked from /status. Last incident: May 12, 2026 (Minor).
Takedowns & moderation
Counts by category: copyright, defamation, harassment, CSAM (0 to date). Published annually in transparency report.
Independent quality audit
External SME panel audits random samples across major exams every 12 months. Public summary + our response.
Government data requests
We narrowly scope what we share, challenge over-broad requests, and publish counts annually (by country, by type).
2025 Transparency Report
Government data requests handled, abuse takedowns, account suspensions appealed, refund rate, NPS, retention. 74 pages of numbers + commentary + ratchets we missed.