Of course books are very valuable, but I would say that for language learning, at least for me, they are insufficient since they lack people pronouncing the words
There’s also text books that could be considered, they usually include listening exercises, though I can’t say how good that is as a method for self learning
I don’t see any app for learning languages in f-droid.
Why don’t use physical books to learn a new language ? It won’t waste your money. I guarantee…
Of course books are very valuable, but I would say that for language learning, at least for me, they are insufficient since they lack people pronouncing the words
There’s also text books that could be considered, they usually include listening exercises, though I can’t say how good that is as a method for self learning
There are probably some language learning videos on YouTube (wich can be beaten into respecting your privacy with newpipe, revanced or similar things)