ALL the apps are sharing your data. If it didn't come from f-droid or you can't compile it yourself you absolutely can't trust it. (even then you still need to

ALL the apps are sharing your data. If it didn't come from f-droid or you can't compile it yourself you absolutely can't trust it. (even then you still need to be very carefull, just look at what goes on in npm.) A good number of closed source apps are pathological attacks on both your OS and the public mind, using them is defintitely one of the less responsible things you can do.