00Pricing
Start free.Go Pro when you need more.
Every plan builds complete courses with quizzes, flashcards and spaced reviews. Pro gives you more of them, with longer lessons and deeper research.
Courses
Courses a monthFree2Pro15
Lessons in a courseFree8–12Pro25–45
Modules in a courseFree1–4Pro5–9
Generation queueFreeStandardProPriority
Lessons
Reading time per lessonFree7–12 minPro10–15 min
Worked examples and common mistakesFreeNot includedProIncluded
Web researchFreeBasicProAdvanced
Questions answered inside the lessonFreeNot includedProIncluded
Practice
Quiz questions per lessonFree5–6Pro7–10
Flashcards per lessonFree6–8Pro9–12
Spaced-repetition reviewsFreeIncludedProIncluded
Account
Personalization questionsFree4–5Pro6–8
Progress analyticsFreeKey metricsProFull, with trends
SupportFreeEmailProEmail
01Billing
Pricing questions
The practical details before you upgrade.
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