Your next chapter
Learn a little. Remember a lot.
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Start with free flashcards. Explore AI memberships and extra credits as we get ready for launch.
Paid memberships and top-ups are not open yet. The prices below are planned; a launch date has not been announced.
Prices in USD.
Your own cards. Your own pace.
$0
No subscription needed.
Start learningNo plan-based study-set quota is set. Device storage and technical limits still apply. Commercial AI generation credits are not included.
1 credit has a $0.01 face value. Top-ups are 500 credits for $5 or 1,000 credits for $10.
Credits used = verified model cost × service multiplier × 100. With a 2× multiplier, $0.10 of model cost uses 20 credits.
Unconfirmed calls keep their credit hold until reconciled. A hold is not a confirmed charge.