Got a Line 6 Spider V120 - Hated it for days until I tried the iPad version of the software - because I wanted to "re order" the stomps
I suggest you buy an iPad and use the app on that - it's completely intuitive the software on a phone or iMac is next to lollipoping useless (just sayin')
The iPad app is brilliant I have been messing with the presets - turn the "brown" into EVH I minutes