Yes, 상식 UP 카드 is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
상식 UP 카드 is free.
To get estimated revenue of 상식 UP 카드 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
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Top Paid
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282
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