Vsco: the app function is very basic. To what extent. That is to say, there are several more options than the adjustment function in the image processing of the mobile phone. You can adjust the dark angle and highlight. To put it simply, it is similar to adjusting the contrast and brightness, but with different emphasis.
Picsart photo editing, snapseed
Snapseed is a mobile photo processing app produced by Google. Many people have recommended it as an image processing app. The focus of this software is not its filter function, but the two apps of mix and vsco are better for filter.