[daffy]

All of them? How do you know this?

[im3w1l]

The vast majority. You have to go out of your way to find apps that don't scoop up all the data they can. Why not? It's not like consumers penalize it.

[m1aw]

You don't but you could make the point that since they are not open source, you will never be sure about it.

Even if GDPR should protect against it.

[dylkil]

its makes them alot of money, they would be fools not to