Pricing
Every pathway, the AI tutor, an adaptive roadmap and spaced reviews for US$24.99 a month, after a 7-day free trial.
US$24.99/ month
Card required to start. You won't be charged until day 8, and you can cancel any time before then.
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It keeps the AI tutor available to real learners. You are not charged until day 8, and you get a reminder 2 days before.
A modern memory model from spaced-repetition research. Regradia uses it to estimate how stable each concept is and how likely you are to recall it today — the numbers on every review card. The review dates themselves are fixed: day 3, 7 and 18 after you learn a topic.
No. Reviews are scheduled on day 3, 7 and 18 after each topic either way, and wait in your daily queue. Connecting adds them to your calendar as all-day items, and you can disconnect at any point.