Yes, 視窗釘選:視窗始終最上層顯示,相片,網頁,記事,保持在頂端 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.
視窗釘選:視窗始終最上層顯示,相片,網頁,記事,保持在頂端 is free.
To get estimated revenue of 視窗釘選:視窗始終最上層顯示,相片,網頁,記事,保持在頂端 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.