Yes, Mi Pequeño Acuario 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.
Mi Pequeño Acuario has several in-app purchases/subscriptions, the average in-app price is 7.90 S/.
To get estimated revenue of Mi Pequeño Acuario app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.