There are numerous options of doing this but yeah none are optimal.
- using multiple browsers
- using profiles
- signing in to different accounts each time
Have you explored something like Fritter? Fritter | F-Droid - Free and Open Source Android App Repository
Or Twidere? Twidere | F-Droid - Free and Open Source Android App Repository
I’ve never used them myself but it may be something to throw your way.