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Exam date

Drives your review schedule — the closer the exam, the tighter the intervals, so knowledge peaks on the day.

Ask my confidence before each question

Calibration mode: commit a “guessing / unsure / confident” rating before every reveal. It trains honest self-assessment and lets a correct-but-unsure answer return sooner.

Off by default — it adds a tap to every question. With it off, we infer the same signal from your behaviour (opening Decode, long deliberation), so scheduling stays smart without the interruption.

Backup

Your progress lives only in this browser. Export a backup, or restore one on another device.