The Chinese internet has adequately introduced a new "proverb" summarizing Tiktok's popularity: 【南抖音北快手，智障界两泰斗】

Which essentially means: Tiktok in the South, Kuaishou [1] of the North, Two titans in a world of dumb-asses.

[1] Kuaishou is a major competitor to Tiktok and is popular in Northern China, Russia and Eastern Europe.

Of note is that Tiktok founder started off with news recommendation app Toutiao.