I can't find the app in the appstore Robyn January 31, 2018 17:51 Follow The Grobo app is an online, web-based application you can open in any browser on your smartphone, tablet or desktop. There's no download required, just simply follow this link to your Grobo homepage. Related articles Harvesting Cannabis No recipe for the seeds I have How loud are the fans? Is the app free? Where can I find the Grobo app? Comments 0 comments Please sign in to leave a comment.