This time I've been looking at the descriptions. More analysis will probably follow but in the mean time here are the m,ost popular words in app descriptions for both free and paid apps.
Here's what get's included in the descriptions of the top 50 free apps in all categories in the GB store.
And here's the same for the paid apps.
A few things there that surprised me but I'll leave you to draw your won conclusions for now.
Both created with Wordle. In case you didn't know.