Yes, Wikitrivia 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.
Wikitrivia has several in-app purchases/subscriptions, the average in-app price is 149.00 ₱.
To get estimated revenue of Wikitrivia app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.