Crested Geckos are easier. Use the search and look for care sheet and read.
Eh, cresties are still pretty fun. They're more of a "ooh, look at but don't touch that often" pet. (At least my guys are like that.)
I personally find crested geckos ugly, so I went with the more colorful and variety of leopard geckos.
I used to have a crested and I would take a leo over it any day! Not being a crested hater but it just didnt seem like it liked being handled and theyre not very colorful IMO.
I forgot to mention, crested geckos drop their tail very easy, and they don't grow back. Which imo sucks, because you don't have to be touching their tail for them to get spooked and drop their tail.
I would argue that cresties are 'easier'.
They need to be misted, their bedding is more of a hassle to replace, their tanks are much larger, and if they escape they can climb ANYWHERE.
But with that said, I love them. Theyre adorable, and their skin is so soft.