A Rock Publisher: Joseph DiVestea Genre: Stickers Released: 12 Jan, 2017 Size: 1.5 MB Price: FREE! Click here to request a review of this app App Store Info Description A Rock! Send a rock to your friends to smash in on their messages or randomly send rocks. Also use morphing face rocks to show your emotion. Rocks are ideal for any iMessage. Download A Rock now. Screenshots Screenshot 1 of 10