Looking for somthing on android preferably something on fdroid.
Audile should do the trick
Note that the clients being FOSS is of little relevance because all they do is forward a recording to a blackbox proprietary service run by a for-profit company.
The code that has access to your audio and does the actual task at hand is not FOSS in the slightest.
I love FOSS but honestly why does this need to be FOSS?
If they have nothing to hide, they have nothing to fear. Just publish the code.
They may have nothing to hide but they have IP to protect to stay in business. What a ridiculous thing to say.
whatsapp doesn’t have the best app. It doesn’t look the best, it’s not the fastest. It was just very great back in the days. But not anymore. Whatsapp could easily publish the code. It’s not the client, it’s the server. They could even publish the server code. It’s not the code itself. It’s the people using it.