Flexible month
Amount pending validationResearch question: do learners with an uncertain test date prefer a short, cancellable preparation window?
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No price before the terms are real.
Hanyu has not opened checkout. Core HSK preparation remains free while plan structures, entitlement, renewal, cancellation, and refund rules are validated.
RESEARCH STRUCTURES · NOT OFFERS
Three preparation windows to validate.
No amount, discount, renewal promise, or entitlement is approved. These cards are research placeholders—not plans for sale.
One preparation cycle
Duration and amount pending validationResearch question: can one fixed exam-preparation window explain access more clearly than open-ended renewal?
Long study horizon
Amount pending validationResearch question: is a longer option relevant only after cross-level learning and outcomes are validated?
PURCHASE GATE
Every term must be known before payment.
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