Yes, 眼镜定配工考试聚题库 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.
眼镜定配工考试聚题库 is free.
To get estimated revenue of 眼镜定配工考试聚题库 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.