1 account 2 phones

So I recently got a phone solely for content. I logged into my TikTok yesterday and I feel like the app is running a bit slow and my algorithm has been weird. Right before logging in I posted A LOT of videos just for me to see so I could save my drafts. I really want to figure out if it was just saving all of those videos or if I need to log out on 1 phone. Has anyone been logged into 1 account on 2 phones and experienced any glitches???