Yes, 浜松市ByparR(バイパーアール) 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.
浜松市ByparR(バイパーアール) is free.
To get estimated revenue of 浜松市ByparR(バイパーアール) app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.