Distribution of paid applications in honor of the unofficial 5th anniversary of the App Store
At Mashable and Verge, it was announced that in honor of the App Store’s fifth anniversary, the price of a number of applications was reduced to zero. Officially, this is not reported anywhere, but prices are indeed reset.
UPD: the topic unexpectedly turned into a list of applications that, including the authors from Habr, began to be made free.