Na serveru Slunečnice.cz je zajímavá iOS aplikace:

Tic Tac Toe (Lite) 2.6

Tic-tac-toe, is a pencil-and-paper game for two players, X and O, who take turns marking the spaces in a 3×3 (or larger) grid. An early variant of Tic-tac-toe was played in Roman Empire, around the first century BC. It was called Terni Lapilli and instead of having any number of pieces, each player…

Adresa: https://www.slunecnice.cz/sw/tic-tac-toe-lite/