it's not just a 'clone' inspired by Pokémon but it's a successful game in its own right and a big part of this is because Temtem addresses many of Pokémon's shortcomings.
Temtem tries to improve on Pokémon's traditional grind. Characters throughout the world have various sidequests that make you traverse between towns. You still need to fight a little, but at least you can see three or four other people running around in circles in the same grass patch, which at least makes you feel that little less silly.
Its foundations are built from Nintendo's creature collecting RPG but then it expands upon it into something different, and better.
Full article: https://www.pcgamer.com/temtem-is-even-better-than-pokemon-on-pc/