Yes, 海上文创Meta is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
海上文创Meta has several in-app purchases/subscriptions, the average in-app price is €9.99.
To get estimated revenue of 海上文创Meta app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.