Your first five minutes
- 1Try one question. The home page and /try let you answer a real calibration question without an account.
- 2Create a free account. Email sign-up takes under a minute. Every training mode is free.
- 3Play your first session. Pick any mode. Answer, set your confidence honestly, then read the feedback.
- 4Read your result. Look at the gap between how sure you were and how often you were right. That gap is what you train.
- 5Come back when it suits you. Short sessions compound. There is no penalty for missing a day.
Understanding your scores
Every formula is on the methodology page. In short: calibration compares your confidence with reality, and a lower Brier score is better.
Common questions
Still stuck?
Email [email protected] or use the contact page. The status page shows whether something is down.