Apple and Google exert tight control, requiring additional purchases made inside an app be processed by them.

The companies argue that in-app payment systems help to control fraud while supporting app development.

Apple, meanwhile, warned that the bill could make using their products worse.

Here’s everything we know so far about legal efforts to take on Apple and Google’s app stores.

A final decision hasn’t yet been issued.

Our preliminary conclusion:@Appleis in breach of EU competition law.

@AppleMusiccompete with other music streaming services.

That could apply to app stores like the ones Apple and Google run.

Among its provisions: barring companies fromforcing developers to use their payment systems.

It would also ensure that developers can tell customers about lower pricing on other platforms.

It would force companies like Apple to allow alternative ways to install apps on their devices.

Epic’s case against Apple was heard in a California courtroom this spring.

It appeared as though Rogers might agree.

“You don’t have competition for those in-app purchases,” she said.

A decision is expected shortly.