Is the app free? October 02, 2018 17:13 Updated Follow Yes! To sign-up for the free Grobo web app, please visit: my.grobo.io You are able to login to the app from any computer, tablet, or phone that has an internet connection. Related articles When will my Grobo order ship? I can't find the app in the appstore The app won't allow to me fill and drain There is no recipe for the seeds I have Is it smell proof? Comments 0 comments Please sign in to leave a comment.