Title. I use Firefox Focus because it’s easy to clear history by just hitting the Delete button and it saves very little to no information on app exit. I know the Duck Duck Go privacy browser does this as well, but it’s more of a full-fledged browser with bookmarks and everything else. Where I’m just looking for something super lightweight and quick.
Mull can do this very well to a better extent than Firefox Focus (If you aren’t already using it, though you could always use Vanadium (or Mulch off of Graphene OS) for accounts. Just enable delete history on close in the Mull Browser settings, and it will sanitize after you close the browser.