Alter Clone Sonic is from Five Nights at Sonic's: Mega Merge Max Mix
(Alternate Maniac Mania)

Clone Sonic "Tune-Up!" is from Five Nights at Sonic's: Fierce Forces

Both series are from the same universe.
The first one: Mega Merge Max Mix, happens before turning into: Fierce Forces.

In this version, Clone Sonic is the same personality.
Where first form is the classic version and later becomes the modern version.