Is the app free? Robyn March 21, 2018 16:08 Updated Follow Yes! To sign-up for the 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? There is no recipe for the seeds I have Is there a payment plan? How do I harvest cannabis? How do I setup my Grobo? Comments 0 comments Please sign in to leave a comment.