Why are the attendance reports of Yandex Metrics and Google Analytics very different?

Question

Google Analytics

Why are the attendance reports of Yandex Metrics and Google Analytics very different?
Google Analytics registered 250 users
Yandex Metrica registered only 80 visitors
in the same period of time

Answer 1

Is it possible that this is due to the fact that the site is Ukrainian, and the Yandex script is blocked at the level of Internet providers?

of course, the first reason,
but in general, it’s stupid to calculate something on such numbers, you need at least 3 thousand, preferably from 10

Answer 2

For someone, only Google scripts are blocked, for someone else, Yandex to the heap.