Whats the difference between pets with gold and pets with $$ also the demonic and the angel pet whats difference?
BunnyFuffu , Rogue Level 85
Only the appearance of some pets from the IAP-Shop are different then of those which can be farmed. It’s also an option to support the devs by buying IAP pets.
So don’t worry, you aren’t disadvantaged if you don’t buy them; they don’t have unique affixes hehe 
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DQ: CentraLity, Mage Level 99
CentraBPM, Warrior Level 99
Main Account: Remya (started a new one; 2 Oct. 2014) Rogue Level X
Unless iap pet can be a skin that can be apply on current PET. If not i would rather support other iap. Like i already spent like 10bucks or so. Not much but showing support for dq. Since alpha phase.
So there isn’t any unique affix
Main Account: BunnyFuffu , Rogue Level 85
Right! The IAP pets are skin change only. Thanks for the support guys and gals!!