I'm also a fan of Nikoli-style puzzles. (My favorite is Nurikabe.) Nikoli themselves used to offer an iPhone app with lots of good ones, but it's sadly unavailable now.

https://puzz.link/db/ is a great source of community-made puzzles in this style that are playable in a browser. Also worth a look is https://www.gmpuzzles.com/blog/ if printing and playing on paper is okay.

I agree with you that human-made puzzles are much more interesting. The generated ones become boring quickly.