Yes browser is a really good tool for utilities like this actually.

But also I suppose that f-droid doesn't have paid reviews or well, everything in f-droid is mostly open source, so I am curious if there are apps in f-droid that could've well suited your need.

I just search on whatever I want on duckduckgo,"open source X android app" or "open source alternativeto Y" or just directly trying to search it in f-droid too.