What I do not like for some so-called free applications; it is that once downloaded, they offer us supplements, sometimes full packs to download, which are chargeable … ultimately, only the initial download is To the developers of the applications, be direct! from the start, indicate that the application is not free, but has paid extras !!! My post is also valid for applications under Android
But your post is not valid for Ios … after all Apple consumers are used to paying …
It is sometimes useful to do the cleaning!
The classification is good, we know direct, what we want or seek ….