Kids puzzles for iPhone for kids

Looking for interesting arcade and puzzle games for iPhone for kids. What can advise?

interested in something like this, the child already plays it, he likes it, but he wants something else, chess is not working yet, 1080 is already tired, what else can you find in sudoku style?

yes, they are, but the problem is that there are a lot of them, most of them immediately ask for payment for access to the game, or there is an advertisement every 30 seconds

That's why I'm asking, do you know any normal games that you can let your child play, where there will be no cheap advertising? The ones you played

Here is an example of what my daughter sudoku[enter link description here][1]
She also plays the romance club and here I have doubts, chess, a fun farm

I wanted to throw a link here to Sudoku where there is no advertising and paid content, but the site does not give (

There is such a Sudoku game, here it is without ads and paid content, a simple interface, I really liked it

what is it, can you elaborate please?

Well, isn't that boring? try playing arcade lost city