Yes, Ejercicios en la barra 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.
Ejercicios en la barra has several in-app purchases/subscriptions, the average in-app price is USD 2.29.
To get estimated revenue of Ejercicios en la barra app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.