SnappyApp for iOS is the companion App of SnappyApp for OS X. With iCloud enabled, your snaps are synced across all your Apple devices.
-- Features --
** iCloud keeps you snaps synced across all devices
** Create new snaps from camera or photo library
** SnappyApp detects screenshots captured with HOME+OFF and imports them automatically
** Snap zoom in/out and pan
** Share with the default iOS options (iMessage, Email, etc)
Please keep in mind that the iOS App is a convenience App for the Mac App. For the moment there is little you can do without SnappyApp for Mac.
Get SnappyApp for Mac here: https://itunes.apple.com/us/app/snappyapp/id512617038?ls=1&mt=12