La descarga y uso de Tapatalk son gratuitos:
Para Apple iOS:
https://itunes.apple.com/app/id307880732?mt=8
Para Android:
https://play.google.com/store/apps/details?id=com.quoord.tapatalkpro.activity (https://play.google.com/store/apps/details?id=com.quoord.tapatalkpro.activity)
Saludos,